H8SLASH3021 datasheet(203/712 Pages) RENESAS

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7. I/O Ports

Rev.2.00 Mar. 22, 2007 Page 179 of 684

REJ09B0352-0200

Table 7.18

Port B Pin Functions

Pin Functions and Selection Method

15/

ADTRG

Bit TRGE in ADCR, bit NDER15 in NDERB and bit PB7DDR in PBDDR select the pin

function as follows

PB7DDR

NDER15

—

7 input

7 output

15 output

function

ADTRG input*

Notes: *

ADTRG input when TRGE = 1.

13/

TOCXB

ITU channel 4 settings (bit CMD1 in TFCR and bit EXB4 in TOER), bit NDER13 in

NDERB, and bit PB

5DDR in PBDDR select the pin function as follows

EXB4,

CMD1

Not both 1

Both 1

5DDR

—

NDER13

—

Pin function

5 input

5 output

13 output

TOCXB

4 output

12/

TOCXA

ITU channel 4 settings (bit CMD1 in TFCR and bit EXA4 in TOER), bit NDER12 in

NDERB, and bit PB

4DDR in PBDDR select the pin function as follows

EXA4,

CMD1

Not both 1

Both 1

4DDR

—

NDER12

—

Pin function

4 input

4 output

12 output

TOCXA

4 output

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