Samsung SCX-5315F Service Manual page 126

Circuit Description
Ball No Pin No
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
K20 144
K19 145
K18 146
K17 147
J20 148 nDREQ2 / DQM6 /
J19 149 nDREQ1 / DQM4 /
J18 150
J17 151
H20 152
H19 153
H18 154
G20 155 nIOCS4 / nSCS3 /
G19 156
F20 157
G18 158
F19 159
E20 160
G17 161 nRSTOUT / CLKOUT /
F18 162
E19 163
3-6
Pin Name I/O
VDD_CORE
VBUS
nSELECTIN
O
GPO11
PD7 I/O
PWMOUT1 O
PWMOUT0 O
I/O
PWMOUT3
I/O
nHSYNC
nSTROBE
PD5 I/O
nWAIT0 / PDE I/O
O
PD3 I/O
nFAULT O
nDREQ0 / GPI0 / I/O
ADDR23
nRESET
PERROR O
nAUTOFD
nDACK2 / DQM7 / O
GPO5
I/O
GPO6
I/O
GPO8
VDD_CORE
nSCS0 O
nSCS2 O
nCAS O
nSCS1 O
O
GPO4
BUSY O
PD0 I/O
SLCT_OUT O
nACK O
nDACK1 / DQM5 / O
GPO7
O
GPO0
SA7 O
SA9 O
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Description
- VDD for CORE (1.8V)
I USB Detect
I LSU Ready_n / Engine Busy_n
I 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
I Line Sync_n
I 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]
I External Reset_n Input
Parallel Port Paper Error
I Parallel Port Auto Feed_n
DMA ACK[2]_n / DQM[7] / GPO[5]
DMA REQ[2]_n / DQM[6] / GPO[6]
DMA REQ[1]_n / DQM[4] / GPO[8]
- VDD for CORE (1.8V)
SDRAM Bank0 Select_n
SDRAM Bank2 Select_n
SDRAM Column Address Select_n
SDRAM Bank1 Select_n
IO Bank4 / SDRAM Bank3 Select_n
/ GPO[4]
Parallel Port Busy
Parallel Port Data[0]
Parallel Port Selection Out
Parallel Port Acknowledge_n
DMA ACK[1]_n / DQM[5] / GPO[7]
Internal Reset_n Out / Internal Sys-
tem Clock Out / GPO[0]
SDRAM Bus Addr[7]
SDRAM Bus Addr[9]
PAD
-
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
BD8TARP_TC
-
BD8TARP_TC
BD8TARP_TC
BD8TARP_TC
BD8TARP_TC
BD8TARP_TC
B4TR_TC
BD4STRP_FT
B4TR_TC
B4TR_TC
BD8TARP_TC
B8TR_TC
BD8TARP_TC
BD8TARP_TC
Samsung Electronics