H8S2245 datasheet(265/818 Pages) RENESAS

265 / 818 page

Section 8 I/O Ports

Rev.3.00 Mar. 26, 2007 Page 223 of 772

REJ09B0355-0300

Selection Method and Pin Functions

0/TIOCA0/

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

the operating mode, TPU channel 0 setting (by bits MD3 to MD0 in TMDR0,

bits IOA3 to IOA0 in TIOR0H, and bits CCLR2 to CCLR0 in TCR0), and bit

P10DDR.

Operating

Mode

Modes 1, 2, 3, 7*

Modes 4, 5, 6*

TPU Channel

0 Setting

Table

Below (1)

Table

Below (2)

Table

Below (1)

Table

Below (2)

P10DDR

—

Pin function

TIOCA0

output

input

output

TIOCA0

output

input

output

TIOCA0

input*

TIOCA0

input*

Notes: 1. Modes 2, 3, 6, and 7 cannot be used in the H8S/2240.

2. TIOCA0 input when input capture is set (IOA3 to IOA0 = B'10xx) in

normal operating mode (MD3 to MD0 = B'0000).

TPU Channel

0 Setting

(2)

(1)

(2)

(1)

(2)

MD3 to MD0

B'0000

B'001x

B'0010

B'0011

IOA3 to IOA0

B'0000

B'0100

B'1xxx

B'0001 to

B'0011

B'0101 to

B'0111

B'xx00

Other than B'xx00

CCLR2 to

CCLR0

—

———

Other

than

B'001

Output

function

—

Output

compare

output

—

PWM

mode 1

output*

PWM

mode 2

output

—

Legend: x: Don't care

Note:

3. TIOCB0 output is disabled.

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