HD6432138SW datasheet(270/1061 Pages) RENESAS

270 / 1061 page

Section 8 I/O Ports

Rev. 4.00 Jun 06, 2006 page 216 of 1004

REJ09B0301-0400

Selection Method and Pin Functions

P43/TMCI1/

HIRQ11/HSYNCI

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

the operating mode and bit P43DDR.

P43DDR

Operating

mode

—

Not slave mode

Slave mode

Pin function

P43 input pin

P43 output pin

HIRQ11 output pin

TMCI1 input pin, HSYNCI input pin

When an external clock is selected with bits CKS2 to CKS0 in TCR1 of TMR1,

this pin is used as the TMCI1 input pin. It can also be used as the HSYNCI

input pin.

P42/TMRI0/

SCK2/SDA1

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

bit ICE in ICCR of IIC1, bits CKE1 and CKE0 in SCR of SCI2, bit C/

A in SMR

of SCI2, and bit P42DDR.

ICE

CKE1

—

CKE0

——

P42DDR

———

—

Pin function

P42

input pin

P42

output pin

SCK2

output pin

SCK2

output pin

SCK2

input pin

SDA1

I/O pin

TMRI0 input pin

When this pin is used as the SDA1 I/O pin, bits CKE1 and CKE0 in SCR of

SCI2 and bit C/

A in SMR of SCI2 must all be cleared to 0. SDA1 is an NMOS-

only output, and has direct bus drive capability.

When bits CCLR1 and CCLR0 in TCR0 of TMR0 are set to 1, this pin is used

as the TMRI0 input pin.

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