Epson S1C33210 User Manual

Page 136

I OUTLINE: LIST OF PINS

B-I-3-4

EPSON

S1C33210 FUNCTION PART

Pin name

I/O

Pull-up

Function

P16

EXCL5

#DMAEND1

I/O

–

P16:

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

EXCL5:

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

= "0"

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

IOC16(D6/0x402D6) = "1"

P20

#DRD

I/O

–

P20:

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

#DRD:

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

P21

#DWE

#GAAS

I/O

–

P21:

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

#DWE: DRAM

read

signal

output

for

successive

RAS

mode

when

CFP21(D1/0x402D8)

"1"

and

CFEX2(D2/0x402DF) = "0"

#GAAS: Area

address

strobe

for

when

CFEX2(D2/0x402DF)

"1"

P22

TM0

I/O

–

P22:

I/O port when CFP22(D2/0x402D8) = "0" (default)

TM0:

16-bit timer 0 output when CFP22(D2/0x402D8) = "1"

P23

TM1

I/O

–

P23:

I/O port when CFP23(D3/0x402D8) = "0" (default)

TM1:

16-bit timer 1 output when CFP23(D3/0x402D8) = "1"

P24

TM2

#SRDY2

I/O

–

P24:

I/O port when CFP24(D4/0x402D8) = "0" (default)

TM2:

16-bit timer 2 output when CFP24(D4/0x402D8) = "1"

#SRDY2:

Serial I/F Ch.2 ready signal input/output when SSRDY2(D3/0x402DB) = "1" and CFP24

(D4/0x402D8) = "0"

P25

TM3

#SCLK2

I/O

–

P25:

I/O port when CFP25(D5/0x402D8) = "0" (default)

TM3:

16-bit timer 3 output when CFP25(D5/0x402D8) = "1"

#SCLK2:

Serial I/F Ch.2 clock input/output when SSCLK2(D2/0x402DB) = "1" and

CFP25(D5/0x402D8) = "0"

P26

TM4

SOUT2

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

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"

DTR

–

DTR output

RTS

–

RTS output

TXD
SOUT3

–

TXD:

TXD output

1 when MSEL pin input is at High level

SOUT3:

SOUT3 output when MSEL pin input is at Low level

–

RI input

CTS

–

CTS input

DCD

–

DCD input

DSR

–

DSR input

RXD
SIN3

–

RXD:

RXD input when MSEL pin input is at High level

SIN3:

SIN3 input when MSEL pin input is at Low level

CNT1

–

Mobile access control output #1

CNT2

–

Mobile access control output #2

MSEL

Pull-up Serial I/O interface Ch. 3 configuration input. Normally drive this at High level.

GOUT

–

NMI interrupt request output

Note:

1 The communications macro select (MCRS) register (D[1:0]/0x200000) configures the I/O

signals to match the target mobile device.