H8SLASH3028F datasheet(336/923 Pages) RENESAS

336 / 923 page

Rev. 2.00, 09/03, page 306 of 890

Pin Functions and Selection Method

Bits OIS3/2 and OS1/0 in TCSR3, bits CCLR1 and CCLR0 in TCR3, bit NDER11

in NDERB, and bit PB3DDR select the pin function as follows.

OIS3/2 and

OS1/0

All 0

Not all 0

PB3DDR

—

NDER11

—

PB3 input

PB3 output

TP11 output

TMIO3 output

TMIO3 input*

PB3/TP11/

TMIO3/

DREQ1

Pin function

DREQ1 input*2

Notes: 1. TMIO3 input when CCLR1 = CCLR0 = 1.

2. When an external request is specified as a DMAC activation source,

DREQ1 input regardless of bits OIS3/2 and OS1/0, bit NDER11, and

bit PB3DDR.

PB2/TP10/

TMO2

Bits OIS3/2 and OS1/0 in TCSR2, bit NDER10 in NDERB, and bit PB2DDR select

the pin function as follows.

OIS3/2 and

OS1/0

All 0

Not all 0

PB2DDR

—

NDER10

—

Pin function

PB2 input

PB2 output

TP10 output

TMO2 output

Bits OIS3/2 and OS1/0 in TCSR1, bits CCLR1 and CCLR0 in TCR1, bit NDER9 in

NDERB, and bit PB1DDR select the pin function as follows.

OIS3/2 and

OS1/0

All 0

Not all 0

PB1DDR

—

NDER9

—

PB1

input

PB1

output

TP9

output

TMIO1

output

TMIO1 input*

PB1/TP9/

TMIO1/

DREQ0

Pin function

DREQ0 input*2

Notes: 1. TMIO1 input when CCLR1 = CCLR0 = 1.

2. When an external request is specified as a DMAC activation source,

DREQ0 input regardless of bits OIS3/2 and OS1/0, bit NDER9, and bit

PB1DDR.

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