Manuel d'utilisation / d'entretien du produit MiEM78P468N du fabricant IBM
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EM78P468N/L 8-Bit Microcontroller Product Specification D OC . V ERSION 1.5 ELAN MICR OELECTR ONICS COR P. February 2007.
T radem ark Acknowledgments: IBM is a registered trademark and PS/2 is a tradem ark of IBM. W indows is a tra demark of Microsoft Corporati on. ELAN and ELAN logo are trademarks of EL AN Micr oelectronics Corporat ion.
Contents Product Specif ication (V1. 5) 02.15.20 07 • iii Contents 1 General Description ······· ········ ········ ········ ········· ········ ···.
Contents iv • Produ ct Specification (V1.5) 01. 15.2007 6.2.14 IOC7 1/TCCCR (TCC Control Register) ........... ...... ........ ...... ......... ...... ......... ..... 19 6.2.15 IOC8 1/W D TCR ( W DT Control Register) ... ...... ......... ..... .....
Contents Product Specif ication (V1. 5) 02.15.20 07 • v APPENDIX A Package T ype ······ ········ ········ ········· ·········· ········· ·····.
Contents vi • Pr oduct Specific ati on ( V1.5) 01.15.20 07.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 1 (This specification is subject to change without further notice) 1 Gene ral Description The EM78P468N/L is an 8- bit microprocessor design ed and de veloped with low- power and high-speed CMOS technology .
EM78P468N/E M78P468L 8-Bit Mi crocontroller 2 • Produ ct Specific ati on ( V1.5) 02.15.20 07 (This specification is subject to change without further notice) 3 Pi n A ssignment (1) 64-Pin QF P EM78P468 NQ QFP- 64 12345 6789 1 0 1 1 SEG14 SEG13 SEG12 SEG10 SEG 9 SEG 8 SEG 7 SEG 6 SEG 5 VLCD2 VLCD3 /RESET GND R-OSCI OSCO VDD XIN XOUT P5.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 3 (This specification is subject to change without further notice) Input Pin Outp ut Pi n Input/Outp ut Pin Digital I/O Pin/LCD O utput Pin LCD Outpu t Pin 4 Block Diagram ROM R3 (St atus Reg.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 4 • Produ ct Specific ati on ( V1.5) 02.15.20 07 (This specification is subject to change without further notice) 5 Pin Desc ription T able 1 (a) Pin Descr iption for Pa ckage of QFP6 4 and LQ FP64 Sy mbol Pin No.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 5 (This specification is subject to change without further notice) T able 2 (b) Pin Descr iption for Pa ckage of QFP4 4 an d LQ F P44 Sy mbol Pin No. Ty pe Funct ion P5.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 6 • Produ ct Specific ati on ( V1.5) 02.15.20 07 (This specification is subject to change without further notice) 6 Function Description 6.1 Oper ational Register s 6.1.1 R0/IAR (In direct Addr essing Reg ister) (Add ress: 0 0h) R0 i s not a ph ysica lly im plemen ted re gister .
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 7 (This specification is subject to change without further notice) A1 1 A1 0 A9 A8 A7 ~ A0 R3 CA L L RE.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 8 • Produ ct Specific ati on ( V1.5) 02.15.20 07 (This specification is subject to change without further notice) 6.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 9 (This specification is subject to change without further notice) 6.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 10 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 6.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 11 (This specification is subject to change without further notice) 6.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 12 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Bit 1 (CNT2 EN): Co unter 2 en able bit CNT2E N = “0” : Disable Co unter 2 . Stop c ounting operati on.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 13 (This specification is subject to change without further notice) CPU Operati on Mode Green M o d e f.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 14 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Bit 4 : No t used Bit 3 (IRO UTE): Define the funct ion of P5 .7/IROUT pin. IROUTE = “0” : for bi- dir ection al gen eral I /O pin.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 15 (This specification is subject to change without further notice) 6.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 16 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 6.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 17 (This specification is subject to change without further notice) 6.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 18 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 6.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 19 (This specification is subject to change without further notice) Bit 2 (/WUE8L): 0/1 → enabl e/disable P 8.0~P8. 3 pin ch ange wake -up fu nction Bit 1 (/WUE6H): 0/1 → enable /disabl e P6.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 20 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 6.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 21 (This specification is subject to change without further notice) B it 3 (CN T 1S): Co un ter 1 c loc.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 22 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 6.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 23 (This specification is subject to change without further notice) 6.3 T CC and WDT Prescaler Two 8- bit cou nter s are av ailab le as pr esca lers for the T CC (Time Clock Count er) and W DT (Wat chdog Ti mer).
EM78P468N/E M78P468L 8-Bit Mi crocontroller 24 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) WDT Setting Flowchart N START Use W DT f.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 25 (This specification is subject to change without further notice) 6.4 I/O Port s The I/O registers, (Por t 5, Port 6, Port 7 an d Port 8), are bi-direc tional tri -state I/O ports .
EM78P468N/E M78P468L 8-Bit Mi crocontroller 26 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) T abl e 2 Summar y of Regi sters I n it .
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 27 (This specification is subject to change without further notice) Address Name Reset Type Bit 7 Bit 6.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 28 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Address Name Reset Type Bit 7 Bit 6 Bit .
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 29 (This specification is subject to change without further notice) The c ontro ller can be a waken ed from slee p mod e and idle mode.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 30 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 6.6 Oscill ator 6.6.1 Oscil lator Mo des The E M 78 P468 N/EM78 P468L can op erate in thre e diff erent oscil lator mod es i.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 31 (This specification is subject to change without further notice) Bits 6~4 (CLK2~0) of RD: main clock se lection bit s for PLL mode (code optio n select) CLK2 CL K1 CL K0 Main c lock Example Fs=32.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 32 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 6.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 33 (This specification is subject to change without further notice) 6.7.1 Ex ternal Po wer-on R eset Circ uit This circuit impl e ments an ext ernal RC to pr o duce a rese t pu lse (s ee Fi g.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 34 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 6.8 Interrupt This LSI ha s eight inter rupt source s as li sted b elow: TCC over flow inte rrup t.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 35 (This specification is subject to change without further notice) T a ble 3 I nter rupt V ect or Inter rupt V ector Interru pt S t at us 0003H TCC overflow inter rupt.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 36 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) When th e LCD function is dis abled, a l.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 37 (This specification is subject to change without further notice) 6.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 38 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Boos ting circ uits conn ection fo r LCD.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 39 (This specification is subject to change without further notice) 1 fra me COM 0 COM 1 SEG N SEG N - .
EM78P468N/E M78P468L 8-Bit Mi crocontroller 40 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 1 fra me COM 0 COM 1 COM 2 SEG N SEG N -.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 41 (This specification is subject to change without further notice) 6.10 Infr ared Remote Co ntrol Applic ation/ PWM W aveform Gener ate This LSI can o ut put infrared carrier i n user-friendly o r in PWM s t andard waveform.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 42 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) The IROUT ou tput wave form is furthe r explai ned in t he follo wing fig ures: Fig.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 43 (This specification is subject to change without further notice) Fcarrier low-pulse width high-pulse w idth IRO U T start HF IRE hi gh-p ulse wi dt h low -p u ls e w idth IR disable Always high-leve l F i g.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 44 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) IR/PWM Function Enable Fl ow chart (a) IR appli catio n (b) P W M ap pli cation Fig. 27 IR/PWM Function Enable Flowchart SET P5.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 45 (This specification is subject to change without further notice) 6.1 1 Code Options The EM7 8P4 68N/L has o ne Code Opti on w ord th at is not a part of the normal prog ram memor y.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 46 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Bit 3 (HLP): P ower consump tion selec tion. If the sys tem usually runs in g reen mode, it must be s et to low p ower cons umpti on to help suppo rt t he e nerg y savin g is sue.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 47 (This specification is subject to change without further notice) Convention : R = Reg ister designator that spe cifies which one of the registers (inclu ding operation and gene ral purpose registers) is to b e utiliz ed by the in struction.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 48 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Bina ry Instru ct io n Hex Mnemonic Op e.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 49 (This specification is subject to change without further notice) 6.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 50 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 7 A bsolu te Max im um Ra tin gs Rating Items Sy m bol Condit ion Min . Max . Unit Supply voltage VDD − GND- 0.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 51 (This specification is subject to change without further notice) 8 Electrica l Characteristic 8.1 DC Electrical Characte ristics Ta = - 4 0 ° C ~ 85 ° C, V DD= 5.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 52 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Ta = - 4 0 ° C ~ 85 ° C, V DD= 3. 0V , G ND= 0 V Symbol Parameter Condition Min. Ty p. Max.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 53 (This specification is subject to change without further notice) 8.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 54 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 8.3 Device Charac teristic The gra phs p rovid e d i n th e foll o win g pag es were d e rived base d on a l im ited numbe r of samp les an d are s how n her e for r e fer ence on ly.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 55 (This specification is subject to change without further notice) Vi h/ Vil ( Por t 7, Por t 8 A l l I nput pins wi t h schmi t t inver te r ) 0 0.5 1 1.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 56 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) P5. 7 Voh/ I oh (VDD=5V, I RO CS="1") -50 -40 -30 -20 -10 0 012 345 Voh (Vo l t ) Ioh (mA ) Max : -40 ℃ Ty p : + 2 5 ℃ Min : +85 ℃ P 5 .
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 57 (This specification is subject to change without further notice) P5. 7 Voh/ I oh ( VDD = 5V, I RO CS="0") 0 10 20 30 40 50 60 70 80 012 345 Voh (Vol t ) Io h (mA ) Max : -40 ℃ Ty p : + 2 5 ℃ Min : +85 ℃ P5.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 58 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) P5.4~ 5.6, PO RT 6, 7, 8 Voh/Ioh (V DD= 5V ) 0 10 20 30 40 50 60 70 80 90 012 345 Voh (Vol t ) Io h (m A ) Min : +85 ℃ Ty p : + 2 5 ℃ Max : -40 ℃ P5.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 59 (This specification is subject to change without further notice) Typ ica l R C OSC Freque ncy ( R- O SC I P in) 0 0. 3 0. 6 0. 9 1. 2 1. 5 1. 8 2. 1 2.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 60 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Fig. 8-13 Typic al ERIC OSC Fr equency vs. Temperat ur e (Xin Pin) Ther e are fou r co nditio ns or modes f or the O perat ing C urrent I CC1 t o ICC4 .
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 61 (This specification is subject to change without further notice) Ty pic a l I CC3 v s . Te m e ra t ur e 0 0. 4 0. 8 1. 2 1. 6 2 -4 0 -2 0 0 2 5 5 0 70 85 T em p erat u re ( ℃ ) C urre nt (mA ) VDD=5V VDD=3V Fig.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 62 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Ty pic a l I C C2 v s. T em er a t u r e 0 5 10 15 20 25 30 - 4 0 - 2 00 2 55 0 7 08 5 Tem p erat u re ( ℃ ) C urre nt (u A ) VDD=5V VDD=3 V Fig.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 63 (This specification is subject to change without further notice) Ty pic a l I CC1 vs . T e m e r a tur e 0 5 10 15 20 - 4 0 - 2 0 0 2 5 5 07 08 5 T em p er at u re ( ℃ ) Cur r e nt ( uA ) VDD=5V VDD=3 V Fig.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 64 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) Ty pic a l I S B v s . Te m e ra ture 0 0. 2 0. 4 0. 6 0. 8 1 - 4 0 - 2 0 0 2 55 0 7 08 5 T em p er at u re ( ℃ ) Cur r en t ( u A) VDD= 5V VDD=3V Fig.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 65 (This specification is subject to change without further notice) Fig.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 66 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) 9 App lica tion C irc uit LCD P A N EL COM0 | COM3 SEG0 | SEG3 1 5 1 6 2 7 3 8 4 D 9 E A F B G C P6 .
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 67 (This specification is subject to change without further notice) A PPENDIX A Pack age T y pe Name Pa.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 68 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) B Pack age I nfo rmat ion QFP – 64 TITLE: QFP-64 L(14*20 MM ) FOOTPRINT 5.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 69 (This specification is subject to change without further notice) LQFP – 64 TI TLE: LQFP 64L ( 7*7 MM ) FOOT PRINT 2.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 70 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) QFP – 44 TITLE: QFP-44L( 10*10 M M) FOOTPR INT 3.
EM 78P468N/EM78P 468L 8-Bit Microcontroller Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 71 (This specification is subject to change without further notice) C EM78P468N/L Prog ram Pin L ist D W R T is used to prog ram the EM78 P468N /L IC’s .
EM78P468N/E M78P468L 8-Bit Mi crocontroller 72 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) D ICE 468 XA D.
EM 78P468N/EM78P 468L 8-Bit Microcontrol ler Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 73 (This specification is subject to change without further notice) Mode 4 : Main osci llat or : Cr ys.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 74 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) D.
EM 78P468N/EM78P 468L 8-Bit Microcontrol ler Product Specif ication ( V 1. 5) 02. 1 5. 2 0 07 • 75 (This specification is subject to change without further notice) E Quality A ss urance an d Reliabi.
EM78P468N/E M78P468L 8-Bit Mi crocontroller 76 • Pr odu ct Specification (V1.5) 02. 15. 2007 (This specification is subject to change without further notice) CONTENTS ..... ......... ........ ........... ........ ........ ........ ........ .........
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté IBM MiEM78P468N c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du IBM MiEM78P468N - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation IBM MiEM78P468N, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le IBM MiEM78P468N va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le IBM MiEM78P468N, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du IBM MiEM78P468N.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le IBM MiEM78P468N. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei IBM MiEM78P468N ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
