H8S2245 datasheet(262/818 Pages) RENESAS

262 / 818 page

Section 8 I/O Ports

Rev.3.00 Mar. 26, 2007 Page 220 of 772

REJ09B0355-0300

Selection Method and Pin Functions

3/TIOCD0/

TCLKB/A

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 IOD3 to IOD0 in TIOR0L, and bits CCLR2 to CCLR0 in TCR0), bits TPSC2

to TPSC0 in TCR0 to TCR2, and bit P13DDR.

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)

P13DDR

—

Pin function

TIOCD0

output

input

output

TIOCD0

output

input

output

TIOCD0

input*

TIOCD0

input*

TCLKB input*

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

2. TIOCD0 input when input capture is set (IOD3 to IOD0 = B'10xx) in

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

3. TCLKB input when the TCR0, TCR1, or TCR2 setting is: TPSC2 to

TPSC0 = B'101.

TCLKB input when channel 1 is set to phase counting mode (MD3

to MD0 = B'01xx).

TPU Channel

0 Setting

(2)

(1)

(2)

(1)

(2)

MD3 to MD0

B'0000

B'0010

B'0011

IOD3 to IOD0

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'110

Output

function

—

Output

compare

output

——

PWM

mode 2

output

—

Legend: x: Don't care

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