H8SSLASH2224 datasheet(398/1071 Pages) RENESAS

398 / 1071 page

Section 10 I/O Ports

Rev. 5.00 Aug 08, 2006 page 312 of 982

REJ09B0054-0500

• P15/TIOCB1/TCLKC

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

channel 1 setting, TPSC2 to TPS0 bits in TCR_0, TCR_2, TCR_4, and TCR_5 and the

P15DDR bit.

TPU Channel 1 Setting*

Output

Input or Initial Value

P15DDR



P15 input pin

P15 output pin

TIOCB1 output pin

TIOCB1 input pin*

Pin functions

TCLKC 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 TIOCB1 input when TPU channel 1 timer operating mode is set to

normal operating or phase counting mode and IOB3 to IOB0 in TIOR_1 are set to10xx.

3. This pin functions as TCLKC input when TPSC2 to TPSC0 in TCR_0 or TCR_2 are set

to 110 or TPSC2 to TPSC0 in TCR_4 or TCR_0 are 101 or when channels 2 and 4 are

set to phase counting mode.

• P14/TIOCA1/IRQ0

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

channel 1 setting and the P14DDR bit.

TPU Channel 1 Setting*

Output

Input or Initial Value

P14DDR



P14 input pin

P14 output pin

TIOCA1 output pin

TIOCA1 input pin*

Pin functions

IRQ0 input pin*3

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

2. This pin functions as TIOCA1 input when TPU channel 1 timer operating mode is set to

normal operating or phase counting mode and IOA3 to IOA0 in TIOR_1 are set to 10xx.

3. When this pin is used as an external interrupt pin, do not specify other functions.

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