I OUTLINE: LIST OF PINS

Pin name

I/O

Pull-up

 

 

 

 

Function

P30

I/O

–

P30:

I/O port when CFP30(D0/0x402DC) = "0" (default)

#WAIT

 

 

#WAIT:

Wait cycle request input when CFP30(D0/0x402DC) = "1"

#CE4&5

 

 

#CE4&5:

Areas 4&5 chip enable when CFP30(D0/0x402DC) = "1" and

 

 

 

 

 

IOC30(D0/0x402DE) = "1"

P20

I/O

–

P20:

I/O port when CFP20(D0/0x402D8) = "0" (default)

#DRD

 

 

#DRD:

DRAM read signal output for successive RAS mode when CFP20(D0/0x402D8) = "1"

P21

I/O

–

P21:

I/O port when CFP21(D1/0x402D8) = "0" and CFEX2(D2/0x402DF) = "0" (default)

#DWE

 

 

#DWE:

DRAM read signal output for successive RAS mode when CFP21(D1/0x402D8) = "1" and

#GAAS

 

 

 

 

CFEX2(D2/0x402DF) = "0"

 

 

 

#GAAS:

Area address strobe for GA when CFEX2(D2/0x402DF) = "1"

P31

I/O

–

P31:

I/O port when CFP31(D1/0x402DC) = "0" and CFEX3(D3/0x402DF) = "0" (default)

#BUSGET

 

 

#BUSGET: Bus status monitor signal output when CFP31(D1/0x402DC) = "1" and CFEX3(D3/0x402DF)

#GARD

 

 

 

 

= "0"

 

 

 

 

 

 

#GARD:

Area read signal output for GA when CFEX3(D3/0x402DF) = "1"

EA10MD1

I

Pull-up

Area 10 boot mode selection

 

 

 

 

 

 

EA10MD1

EA10MD0

Mode

 

 

 

 

1

 

1

External ROM mode

EA10MD0

I

–

1

 

0

–

 

 

 

0

 

1

–

 

 

 

0

 

0

–

Table 3.2 List of Pins for HSDMA Control Signals

Pin name

I/O

Pull-up

 

Function

K50

I

Pull-up

K50:

Input port when CFK50(D0/0x402C0) = "0" (default)

#DMAREQ0

 

 

#DMAREQ0:

HSDMA Ch. 0 request input when CFK50(D0/0x402C0) = "1"

K51

I

Pull-up

K51:

Input port when CFK51(D1/0x402C0) = "0" (default)

#DMAREQ1

 

 

#DMAREQ1:

HSDMA Ch. 1 request input when CFK51(D1/0x402C0) = "1"

P32

I/O

–

P32:

I/O port when CFP32(D2/0x402DC) = "0" (default)

#DMAACK0

 

 

#DMAACK0:

HSDMA Ch. 0 acknowledge output when CFP32(D2/0x402DC) = "1"

P33

I/O

–

P33:

I/O port when CFP33(D3/0x402DC) = "0" (default)

#DMAACK1

 

 

#DMAACK1:

HSDMA Ch. 1 acknowledge output when CFP33(D3/0x402DC) = "1"

P04

I/O

–

P04:

I/O port when CFP04(D4/0x402D0) = "0" and CFEX4(D4/0x402DF) = "0" (default)

SIN1

 

 

SIN1:

Serial I/F Ch. 1 data input when CFP04(D4/0x402D0) = "1" and CFEX4(D4/0x402DF) = "0"

P15

I/O

–

P15:

I/O port when CFP15(D5/0x402D4) = "0" (default)

EXCL4

 

 

EXCL4:

16-bit timer 4 event counter input when CFP15(D5/0x402D4) = "1" and IOC15(D5/0x402D6)

#DMAEND0

 

 

 

= "0"

 

 

 

#DMAEND0: HSDMA Ch. 0 end-of-transfer signal output when CFP15(D5/0x402D4) = "1" and

 

 

 

 

IOC15(D5/0x402D6) = "1"

P16

I/O

–

P16:

I/O port when CFP16(D6/0x402D4) = "0" (default)

EXCL5

 

 

EXCL5:

16-bit timer 5 event counter input when CFP16(D6/0x402D4) = "1" and IOC16(D6/0x402D6)

#DMAEND1

 

 

 

= "0"

 

 

 

#DMAEND1: HSDMA Ch. 1 end-of-transfer signal output when CFP16(D6/0x402D4) = "1" and

 

 

 

 

IOC16(D6/0x402D6) = "1"

P05

I/O

–

P05:

I/O port when CFP05(D5/0x402D0) = "0" and CFEX5(D5/0x402DF) = "0" (default)

SOUT1

 

 

SOUT1:

Serial I/F Ch. 1 data outputwhen CFP05(D5/0x402D0)= "1" and CFEX5(D5/0x402DF) = "0"

B-I-3-2

EPSON

S1C33210 FUNCTION PART