Xerox WorkCentre Pro 412 Service Manual page 53

Ball No Pin No
W8 77
Y8 78 EINT2 / nRXD2 / TMS
U9 79 EINT3 / nTXD2 /
V9 80
W9 81 nRxD1 / GPI17 / TDI
Y9 82
W10 83
V10 84 nTxD1 / GPO10 / TDO
Y10 85
Y11 86
W11 87 RXERR / GPI25
V11 88
U11 89
Y12 90
W12 91 nLFPHB1 / nPRINT
V12 92 nLFPHB0 / nCMSG
U12 93 nLFPHA0 / CCLK
Y13 94
W13 95
V13 96
Y14 97
W14 98
Y15 99
V14 100
W15 101
Y16 102
U14 103
V15 104
W16 105
Y17 106
V16 107
W17 108
Y18 109
U16 110
V17 111
W18 112
Y19 113
WorkCentre Pro 412, FaxCentre F12 &
WorkCentre M15/M15i
Pin Name I/O
EINT1 / TCK I
I
I/O
GPO9
nRxD0 I
I
nTxD0 O
TESTMODE I
O
TESTSE I
VDD_CORE -
I
GND -
RX_DV / GPI20 O
RXD0 / GPI21 O
O
O
O
RXD1 / GPI22 I
VDO O
SPD / nDREQ3 I/O
nWAIT1 / CRS I
COL / EINT4 I
TX_EN O
MDIO I/O
TXD3 / GPO14 O
TXD2 / GPO13 O
MDC / GPO15 O
TXCLK / GPI18 I
TXD1 / GPO12 O
PD4 I/O
TXD0 / nIOCS3 O
RXD3 / GPI24 I
PD2 I/O
PD6 I/O
RXD2 I
PWMOUT2 O
VCLK I
Description
Ext. Interrupt1 / TAP Controller Clock
Ext. Interrupt2 / UART RX DATA[2] / TAP
Controller Mode Select
Ext. Interrupt3 / UART TX Data[2] /
GPO[9]
UART RX Data[0]
UART RX Data[1] / GPI[17] / TAP Con-
troller Data In
UART TX Data[0]
TESTMODE (Nomal : 0)
UART Tx Data[1] / GPO[10] / Tap Con-
troller Data Out
TESTSE (Normal : 0)
VDD for CORE (1.8V)
MAC RX Error / GPI[25]
GROUND_RING
MAC RX Data Valid / GPI[20]
MAC RX Data[0] / GPI[21]
Motor Out B_n / Print Start_n
Motor Out B / Command Message_n
Motor Out A / Communication Clock
MAC RX Data[1] / GPI[22]
Video Data Out
DIMM Detect / DMA REQ[3]_n
Wait_n / MAC Carrier Sensor
MAC Collision Detect / Ext. Interrupt4
MAC TX Enable
MAC Management Data Inout
MAC TX Data[3] / GPO[14]
MAC TX Data[2] / GPO[13]
MAC Management Data Clock /
GPO[15]
MAC TX Clock(25MHz) / GPI[18]
MAC TX Data[1] / GPO[12]
Parallel Port Data[4]
MAC TX Data[0] / IO Bank3 Select_n
MAC RX Data[3] / GPI[24]
Parallel Port Data[2]
Parallel Port Data[6]
MAC RX Data[2] / GPI[23]
PWM Output[2]
Video Reference Clock
3/03
Circuit Description
PAD
SCHMITT_FT
SCHMITT_FT
BD4STRP_FT
SCHMITT_FT
SCHMITT_FT
B4TR_TC
SCHMITT_TC
B4TR_TC
SCHMITT_TC
-
SCHMITT_TC
-
SCHMITT_TC
SCHMITT_TC
B4TR_TC
B4TR_TC
B4TR_TC
SCHMITT_TC
B8TR_TC
BD4SRTP_TC
SCHMITT_TC
SCHMITT_TC
B4TR_TC
BD4STRUQP_TC
B4TR_TC
B4TR_TC
B4TR_TC
SCHMITT_TC
B4TR_TC
BD4STRP_FT
B4TR_TC
SCHMITT_TC
BD4STRP_FT
BD4STRP_FT
SCHMITT_TC
B4TR_TC
TLCHT_TC
5-15