Xerox FaxCentre F12, Руководство по обслуживанию

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Circuit Description
WorkCentre Pro 412, FaxCentre F12 & 3/03 5-19
WorkCentre M15/M15i
2) RISC microprocessor pin & interface (CIP4)
C4 227 SD7 I/O SDRAM Bus Data[7] BD8TARP_TC
B3 228 SD4 I/O SDRAM Bus Data[4] BD8TARP_TC
B2 229 SD1 I/O SDRAM Bus Data[1] BD8TARP_TC
A2 230 SD0 I/O SDRAM Bus Data[0] BD8TARP_TC
C3 231 SD2 I/O SDRAM Bus Data[2] BD8TARP_TC
No Pin Name I/O Description Pad Type Current drive
1 GND2 P Vss Supply vss2i -
2 NTEST I Nand Tree Test Mode Selection pticd -
3 TM I Global Test Mode Selection pticd -
4 TEST1 I Test Mode Selection 1 pticd -
5 GND17 P Vss Supply vss3op -
6 TEST2 I Test Mode Selection 2 pticd -
7 XDACK1 I DMA Acknowledge Signal 1 ptis -
8 XDREQ1 O DMA Request Signal 1 phob4 4mA
9 VDD1 P Vdd Supply vdd2i -
10 XDACK2 I DMA Acknowledge Signal 2 ptis -
11 XDREQ2 O DMA Request Signal 2 phob4 4mA
12 XDACK3 I DMA Acknowledge Signal 3 ptis -
13 XDREQ3 O DMA Request Signal 3 phob4 4mA
14 nRESET I Global Reset ptis -
15 CLK_OUT O PLL Clock Out phob12 12mA
16 GND3 P Vss Supply vss2i -
17 XP I Clock Oscillation Input phsoscm26 10~40MHz
18 XPOUT O Clock Oscillation Output phsoscm26 10~40MHz
19 GNDD16 P Vss Supply vss2t_abb -
20 FILTER* O PLL Filter Pump Out poar50_abb -
21 GND1 P Vss Supply vbb_abb -
22 VDDA9,VDDD9 P Vdd Supply vdd2t_abb -
23 GND24,GND33 P Vss Supply vss3t_abb -
24 RTC_XO O RTC Clock Oscillation Output poar50_abb -
25 RTC_XI I RTC Clock Oscillation Input piar50_abb -
26 VDD8,VDD18 P Vdd Supply vdd3t_abb -
27 IRQ O Interrupt Request Signal phob4 4mA
28 nCS I CIP4 Chip Select ptis -
29 GND4 P Vss Supply vss2i -
30 nRD I CIP4 CPU Read Control ptis -
31 nWR I CIP4 CPU Write Control ptis -
32 BA1 I Bank Address Bus [1] ptis -
Ball No Pin No Pin Name I/O Description PAD