H8SSLASH2225 datasheet(400/1071 Pages) RENESAS

400 / 1071 page

Section 10 I/O Ports

Rev. 5.00 Aug 08, 2006 page 314 of 982

REJ09B0054-0500

• P11/TIOCB0/DACK1/A21

The pin functions are switched as shown below according to the combination of operating

mode, the TPU channel 0 setting, AE3 to AE0 bits in PFCR, the SAE1 bit*3 in DMABCRH,

and the P11DDR bit.

Operating

mode

Modes 4 to 6

Mode 7

AE3 to AE0

B'111x

Other than B'111x



SAE1*



TPU Channel 0

Setting*



Output

Input or Initial

Value



Output

Input or Initial Value

P11DDR



P11

input

P11

output

DACK1*3

output

P11 input

P11

output

Pin functions

A21

output

TIOCB0

output

TIOCB0 input pin*

TIOCB0

output

TIOCB0 input pin*

Notes: 1. For the setting of the TPU channel, see section 11, 16-Bit Timer Pulse Unit (TPU).

2. This pin functions as TIOCB0 input when TPU channel 0 timer operating mode is set to

normal operating and IOB3 to IOB0 in TIORH_0 are set to 10xx.

3. Supported only by the H8S/2239 Group.

• P10/TIOCA0/DACK0/A20

The pin functions are switched as shown below according to the combination of operating

mode, the TPU channel 0 setting, AE3 to AE0 bits in PFCR, the SAE0 bit*3 in DMABCRH,

and the P10DDR bit.

Operating

mode

Modes 4 to 6

Mode 7

AE3 to AE0

B'1101 or

B'111x

Other than (B'1101 or B'111x)



SAE0*



TPU Channel 0

Setting*



Output

Input or Initial

Value



Output

Input or Initial Value

P10DDR



P10

input

P10

output

DACK0*3

output

P10 input

P10

output

Pin functions

A20

output

TIOCA0

output

TIOCA0 input pin*

TIOCA0

output

TIOCA0 input pin*

Notes: 1. For the setting of the TPU channel, see section 11, 16-Bit Timer Pulse Unit (TPU).

2. This pin functions as TIOCA0 input when TPU channel 0 timer operating mode is set to

normal operating and IOA3 to IOA0 in TIORH_0 are set to 10xx.

Supported only by the H8S/2239 Group.

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