Intel 8XC196MC Benutzerhandbuch

Intel

6-5

I/O PORTS

Table 6-4. Bidirectional Port Pins

Port Pin

Special-function

Signal(s)

Special-function

Signal Type

Associated

Peripheral

P1.0 (MH)

TXD0

O

SIO

P1.1 (MH)

RXD0

I/O

SIO

P1.2 (MH)

TXD1

O

SIO

P1.3 (MH)

RXD1

I/O

SIO

P2.0

EPA0

I/O

EPA

P2.1

EPA1 (MC, MD)

I/O

EPA

SCLK0# (MH)
BCLK0 (MH)

I/O

I

SIO
SIO

P2.2

EPA2 (MC, MD)

I/O

EPA

EPA1 (MH)

I/O

EPA

P2.3

EPA3 (MC, MD)

I/O

EPA

COMP3 (MH)

O

EPA

P2.4

COMP0

O

EPA

P2.5

COMP1

O

EPA

P2.6

COMP2

O

EPA

P2.7

COMP3 (MC, MD)

O

EPA

SCLK1# (MH)
BCLK1 (MH)

I/O

I

SIO
SIO

P5.0

ALE/ADV#

O

Bus controller

P5.1

INST

O

Bus controller

P5.2

WR#/WRL#

O

Bus controller

P5.3

RD#

O

Bus controller

P5.4

ONCE

I

Bus controller

P5.5

BHE#/WRH#

O

Bus controller

P5.6

READY

I

Bus controller

P5.7

BUSWIDTH

I

Bus controller

P7.0 (MD)

EPA4

I/O

EPA

P7.1 (MD)

EPA5

I/O

EPA

P7.2 (MD)

COMP4

O

EPA

P7.3 (MD)

COMP5

O

EPA

P7.4 (MD)

—

I/O

—

P7.5 (MD)

—

I/O

—

P7.6 (MD)

—

I/O

—

P7.7 (MD)

FREQOUT

O

Frequency generator