Xerox WorkCentre Pro 412 Service Manual page 52

Circuit Description
Ball No Pin No
N3 38
P1 39
P2 40
R1 41
P3 42
R2 43
T1 44
P4 45 nROMCS3 / nIOCS3 /
R3 46
T2 47
U1 48
T3 49
U2 50
V1 51
T4 52
U3 53
V2 54
W1 55
V3 56
W2 57
Y1 58
W3 59
Y2 60
W4 61
V4 62
U5 63
Y3 64
Y4 65 nIOCS2 / nDACK0 /
V5 66
W5 67
Y5 68
V6 69
U7 70
W6 71
Y6 72
V7 73
W7 74
Y7 75
V8 76
5-14
Pin Name I/O
VDD_ARM -
DATA31 I/O
DATA2 / GPI3 I/O
VDD_CORE -
nROMCS2 O
nRD O
nROMCS0 O
O
GPO1
nWR O
nROMCS1 O
ADDR12 O
ADDR10 O
ADDR13 O
ADDR15 O
ADDR11 O
ADDR14 O
ADDR16 O
ADDR19 I/O
ADDR17 I/O
ADDR20 I/O
nIOCS0 O
ADDR21 I/O
nIOCS1 O
ADDR22 I/O
ADDR18 I/O
ADDR7 O
VDD_CORE O
O
GPO2
ADDR1 O
ADDR8 O
ADDR9 O
ADDR4 O
ADDR6 O
ADDR2 O
ADDR3 O
ADDR5 O
VDD_ARM -
VDD_CORE -
EINT0 / TnRST I
Description
VDD for ARM
ROM Bus Data[31]
ROM Bus Data[2] / GPI[3]
VDD for CORE (1.8V)
ROM Bank2 Select_n
ROM Bus Read_n
ROM Bank0 Select_n
ROM Bank3 Select_n / IO Bank3
Select_n / GPO[1]
ROM Bus Write_n
ROM Bank1 Select_n
ROM Bus Addr[12]
ROM Bus Addr[10]
ROM Bus Addr[13]
ROM Bus Addr[15]
ROM Bus Addr[11]
ROM Bus Addr[14]
ROM Bus Addr[16]
ROM Bus Addr[19]
ROM Bus Addr[17]
ROM Bus Addr[20]
IO Bank0 Select_n
ROM Bus Addr[21]
IO Bank1 Select_n
ROM Bus Addr[22]
ROM Bus Addr[18]
ROM Bus Addr[7]
VDD for CORE (1.8V)
IO Bank2 Select_n / DMA IO Bank0
ACK_n / GPO[2]
ROM Bus Addr[1]
ROM Bus Addr[8]
ROM Bus Addr[9]
ROM Bus Addr[4]
ROM Bus Addr[6]
ROM Bus Addr[2]
ROM Bus Addr[3]
ROM Bus Addr[5]
VDD for ARM Hard Macro(1.8V)
VDD for CORE (1.8V)
Ext. Interrupt0 / TAP Controller Reset_n
3/03 WorkCentre Pro 412, FaxCentre F12 &
PAD
-
BD8TRP_FT
BD8TRP_FT
-
B4TR_TC
B4TR_TC
B4TR_TC
B4TR_TC
B4TR_TC
B4TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
BD8TRP_TC
BD8TRP_TC
BD8TRP_TC
B4TR_TC
BD8TRP_TC
B4TR_TC
BD8TRP_TC
BD8TRP_TC
B8TR_TC
-
B4TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
B8TR_TC
-
-
SCHMITT_FT
WorkCentre M15/M15i