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A-10 EPSON S1C33L03 PRODUCT PART
Pin name Pin No. I/O Pull-up Function
P26
TM4
SOUT2
6 I/O – P26: I/O port when CFP26(D6/0x402D8) = "0" (default)
TM4: 16-bit timer 4 output when CFP26(D6/0x402D8) = "1"
SOUT2: Serial I/F Ch. 2 data output when SSOUT2(D1/0x402DB) = "1" and
CFP26(D6/0x402D8) = "0"
P27
TM5
SIN2
7 I/O – P27: I/O port when CFP27(D7/0x402D8) = "0" (default)
TM5: 16-bit timer 5 output when CFP27(D7/0x402D8) = "1"
SIN2:Serial I/F Ch. 2 data input when SSIN2(D0/0x402DB) = "1" and
CFP27(D7/0x402D8) = "0"
P30
#WAIT
#CE4&5
75 I/O – P30: I/O port when CFP30(D0/0x402DC) = "0" (default)
#WAIT: Wait cycle request input when CFP30(D0/0x402DC) = "1"
#CE4&5: Areas 4&5 chip enable when CFP30(D0/0x402DC) = "1" and
IOC30(D0/0x402DE) = "1"
P31
#BUSGET
#GARD
GPIO2
74 I/O – P31: I/O port when CFP31(D1/0x402DC) = "0" and CFEX3(D3/0x402DF) = "0"
(default)
#BUSGET: Bus status monitor signal output for bus release request when
CFP31(D1/0x402DC) = "1" and CFEX3(D3/0x402DF) = "0"
#GARD: Area read signal output for GA when CFEX3(D3/0x402DF) = "1"
GPIO2: LCDC general-purpose I/O when LCDCEN(D5/0x39FFE3) = "1" and
BREQEN(D2/0x39FFFD) = "0"
P32
#DMAACK0
#SRDY3
HDQM
73 I/O – P32: I/O port when CFP32(D2/0x402DC) = "0" and SDRENA(D7/0x39FFC1)
= "0" (default)
#DMAACK0: HSDMA Ch. 0 acknowledge output when CFP32(D2/0x402DC) = "1" and
SDRENA(D7/0x39FFC1) = "0"
#SRDY3: Serial I/F Ch. 3 ready signal input/output when SSRDY3(D3/0x402D7) =
"1", CFP32(D2/0x402DC) = "0" and SDRENA(D7/0x39FFC1) = "0"
HDQM: SDRAM data (high byte) input/output mask signal when
SDRENA(D7/0x39FFC1) = "1"
P33
#DMAACK1
SIN3
SDA10
72 I/O – P33: I/O port when CFP33(D3/0x402DC) = "0" and SDRENA(D7/0x39FFC1)
= "0" (default)
#DMAACK1: HSDMA Ch. 1 acknowledge output when CFP33(D3/0x402DC) = "1" and
SDRENA(D7/0x39FFC1) = "0"
SIN3:Serial I/F Ch. 3 data input when SSIN3(D0/0x402D7) = "1",
CFP33(D3/0x402DC) = "0" and SDRENA(D7/0x39FFC1) = "0"
SDA10: SDRAM address bus bit 10 when SDRENA(D7/0x39FFC1) = "1"
P34
#BUSREQ
#CE6
GPIO0
71 I/O – P34: I/O port when CFP34(D4/0x402DC) = "0" (default)
#BUSREQ: Bus release request input when CFP34(D4/0x402DC) = "1"
#CE6: Area 6 chip enable when CFP34(D4/0x402DC) = "1" and
IOC34(D4/0x402DE) = "1"
GPIO0: LCDC general-purpose I/O when LCDCEN(D5/0x39FFE3) = "1" and
BREQEN(D2/0x39FFFD) = "0"
P35
#BUSACK
GPIO1
70 I/O – P35: I/O port when CFP35(D5/0x402DC) = "0" (default)
#BUSACK: Bus acknowledge output when CFP35(D5/0x402DC) = "1" and
CFP34(D4/0x402DC) = "1"
GPIO1: LCDC general-purpose I/O when LCDCEN(D5/0x39FFE3) = "1" and
BREQEN(D2/0x39FFFD) = "0"