Xerox WorkCentre Pro 412 Service Manual page 54

Circuit Description
Ball No Pin No
V18 114
W19 115
Y20 116
W20 117
V19 118
U19 119
U18 120
T17 121
V20 122
U20 123
T18 124
T19 125
T20 126
R18 127
P17 128 nLREADY / nEBSY
R19 129
R20 130 LSUCLK / nCBSY /
P18 131
P19 132
P20 133
N18 134 nEMSG / nDACK3 /
N19 135 nFSYNC / nLFPHA1
N20 136
M17 137
M18 138
M19 139
M20 140 nIOCS5 / nSCS4 /
GPO3 / TONEOUT
L19 141
L18 142
L20 143 nDREQ0 / GPI0 /
K20 144
K19 145
K18 146
K17 147 nDACK2 / DQM7 /
J20 148 nDREQ2 / DQM6 /
5-16
Pin Name I/O
RXCLK / GPI19 I
PD1 I/O
nINIT I
VSS_ADC -
ATEST_OUT O
AIN2 I
AIN1 I
AIN0 I
VDD_ADC -
VDD_CORE -
GND -
VDD_CORE -
VDD_CORE -
VBUS I
I
nSELECTIN I
O
GPO11
PD7 I/O
PWMOUT1 O
PWMOUT0 O
I/O
PWMOUT3
I/O
nHSYNC I
nSTROBE I
PD5 I/O
nWAIT0 / PDE I/O
O
PD3 I/O
nFAULT O
I/O
ADDR23
nRESET I
PERROR O
nAUTOFD I
O
GPO5
I/O
GPO6
Description
MAC RX Clock(25MHz) / GPI[19]
Parallel Port Data[1]
Parallel Port Initialization_n
VSS for ADC
ADC Test Output
ADC Channel2 Input
ADC Channel1 Input
ADC Channel0 Input
Analog power for ADC (3.3V)
VDD for CORE (1.8V)
GROUND_RING
VDD for CORE (1.8V)
VDD for CORE (1.8V)
USB Detect
LSU Ready_n / Engine Busy_n
Parallel Port Select Input_n
LSU Clock / Command Busy_n /
GPO[11]
Parallel Port Data[7]
PWM Output[1]
PWM Output[0]
Engine Message_n / DMA ACK[3]_n /
PWM Output[3]
Frame Sync_n / Motor Out A_n
Line Sync_n
Parallel Port Data Strobe_n
Parallel Port Data[5]
Wait_n / Parallel Port Data Enable
DRAM Bank4 / IO Bank5 Select_n /
GPO[3] / Tone Pulse Out
Parallel Port Data[3]
Parallel Port Fault_n
DMA REQ[0]_n / GPI[0] / ADDR[23]
External Reset_n Input
Parallel Port Paper Error
Parallel Port Auto Feed_n
DMA ACK[2]_n / DQM[7] / GPO[5]
DMA REQ[2]_n / DQM[6] / GPO[6]
3/03 WorkCentre Pro 412, FaxCentre F12 &
PAD
SCHMITT_TC
BD4STRP_FT
SCHMITT_FT
-
ANA_TC
ANA_TC
ANA_TC
ANA_TC
-
-
-
-
-
SCHMITT_FT
SCHMITT_FT
SCHMITT_FT
B4TR_TC
BD4STRP_FT
B4TR_TC
B4TR_TC
BD4STRP_FT
BD4STRP_FT
SCHMITT_FT
SCHMITT_FT
BD4STRP_FT
BD4STRP_TC
BD8TARP_TC
BD4STRP_FT
B4TR_TC
BD4STRP_TC
SCHMITT_TC
B4TR_TC
SCHMITT_FT
BD8TARP_TC
BD8TARP_TC
WorkCentre M15/M15i