Service manual

Circuit Description
3-6
T20 126 VDD_CORE - VDD for CORE (1.8V) -
R18 127 VBUS I USB Detect SCHMITT_FT
P17 128 nLREADY / nEBSY I LSU Ready_n / Engine Busy_n SCHMITT_FT
R19 129 nSELECTIN I Parallel Port Select Input_n SCHMITT_FT
R20 130 LSUCLK / nCBSY /
GPO11
O LSU Clock / Command Busy_n /
GPO[11]
B4TR_TC
P18 131 PD7 I/O Parallel Port Data[7] BD4STRP_FT
P19 132 PWMOUT1 O PWM Output[1] B4TR_TC
P20 133 PWMOUT0 O PWM Output[0] B4TR_TC
N18 134 nEMSG / nDACK3 /
PWMOUT3
I/O Engine Message_n / DMA
ACK[3]_n / PWM Output[3]
BD4STRP_FT
N19 135 nFSYNC / nLFPHA1 I/O Frame Sync_n / Motor Out A_n BD4STRP_FT
N20 136 nHSYNC I Line Sync_n SCHMITT_FT
M17 137 nSTROBE I Parallel Port Data Strobe_n SCHMITT_FT
M18 138 PD5 I/O Parallel Port Data[5] BD4STRP_FT
M19 139 nWAIT0 / PDE I/O Wait_n / Parallel Port Data Enable BD4STRP_TC
M20 140 nIOCS5 / nSCS4 /
GPO3 / TONEOUT
O DRAM Bank4 / IO Bank5 Select_n /
GPO[3] / Tone Pulse Out
BD8TARP_TC
L19 141 PD3 I/O Parallel Port Data[3] BD4STRP_FT
L18 142 nFAULT O Parallel Port Fault_n B4TR_TC
L20 143 nDREQ0 / GPI0 /
ADDR23
I/O DMA REQ[0]_n / GPI[0] / ADDR[23] BD4STRP_TC
K20 144 nRESET I External Reset_n Input SCHMITT_TC
K19 145 PERROR O Parallel Port Paper Error B4TR_TC
K18 146 nAUTOFD I Parallel Port Auto Feed_n SCHMITT_FT
K17 147 nDACK2 / DQM7 /
GPO5
O DMA ACK[2]_n / DQM[7] / GPO[5] BD8TARP_TC
J20 148 nDREQ2 / DQM6 /
GPO6
I/O DMA REQ[2]_n / DQM[6] / GPO[6] BD8TARP_TC
J19 149 nDREQ1 / DQM4 /
GPO8
I/O DMA REQ[1]_n / DQM[4] / GPO[8] BD8TARP_TC
J18 150 VDD_CORE - VDD for CORE (1.8V) -
J17 151 nSCS0 O SDRAM Bank0 Select_n BD8TARP_TC
H20 152 nSCS2 O SDRAM Bank2 Select_n BD8TARP_TC
H19 153 nCAS O SDRAM Column Address Select_n BD8TARP_TC
H18 154 nSCS1 O SDRAM Bank1 Select_n BD8TARP_TC
G20 155 nIOCS4 / nSCS3 /
GPO4
O IO Bank4 / SDRAM Bank3 Select_n
/ GPO[4]
BD8TARP_TC
G19 156 BUSY O Parallel Port Busy B4TR_TC
F20 157 PD0 I/O Parallel Port Data[0] BD4STRP_FT
G18 158 SLCT_OUT O Parallel Port Selection Out B4TR_TC
F19 159 nACK O Parallel Port Acknowledge_n B4TR_TC
E20 160 nDACK1 / DQM5 /
GPO7
O DMA ACK[1]_n / DQM[5] / GPO[7] BD8TARP_TC
G17 161 nRSTOUT / CLKOUT /
GPO0
O Internal Reset_n Out / Internal Sys-
tem Clock Out / GPO[0]
B8TR_TC
F18 162 SA7 O SDRAM Bus Addr[7] BD8TARP_TC
E19 163 SA9 O SDRAM Bus Addr[9] BD8TARP_TC
Ball No Pin No Pin Name I/O Description PAD