H8SSLASH2214 datasheet(380/936 Pages) RENESAS

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Section 9 I/O Ports

Rev.4.00 Sep. 18, 2008 Page 320 of 872

REJ09B0189-0400

Pin Functions and Selection Method

PA2/A18/

RxD2

The pin function is switched as shown below according to the combination of the

operating mode, PFCR setting, SCI channel 2 settings, and bit PA2DDR.

Operating

mode

Modes 4 to 6

Mode 7

AE3 to AE0

1011 or

11xx

Other than (1011 or 11xx)

—

PA2DDR

—

Pin function

A18

output

PA2

input

PA2

output*

RxD2

input

PA2

input

PA2

output*

RxD2

input

Note: * NMOS open-drain output when PA2ODR = 1 in PAODR.

PA1/A17/

TxD2

The pin function is switched as shown below according to the combination of the

operating mode, PFCR setting, SCI channel 2 settings, and bit PA1DDR.

Operating

mode

Modes 4 to 6

Mode 7

AE3 to AE0

101x or

11xx

Other than (101x or 11xx)

—

PA1DDR

—

Pin function

A17

output

PA1

input

PA1

output*

TxD2

output*

PA1

input

PA1

output*

TxD2

output*

Note: * NMOS open-drain output when PA1ODR = 1 in PAODR.

PA0/A16

The pin function is switched as shown below according to the combination of the

operating mode, PFCR setting, and bit PA0DDR.

Operating mode

Modes 4 to 6

Mode 7

AE3 to AE0

Other than

(0xxx or 1000)

0xxx or 1000

—

PA1DDR

—

Pin function

A16 output

PA0 input

PA0

output*

PA0 input

PA0

output*

Note: * NMOS open-drain output when PA0ODR = 1 in PAODR.

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