H838024 datasheet(281/697 Pages) RENESAS

281 / 697 page

Section 8 I/O Ports

Rev. 7.00 Mar 10, 2005 page 239 of 652

REJ09B0042-0700

8.11.3

Pin Functions

Table 8.30 shows the port B pin functions.

Table 8.30

Port B Pin Functions

Pin Functions and Selection Method

PB7/AN7

The pin function depends on bits CH3 to CH0 in AMR.

CH3 to CH0

Not 1011

1011

Pin function

PB7 input pin

AN7 input pin

PB6/AN6

The pin function depends on bits CH3 to CH0 in AMR.

CH3 to CH0

Not 1010

1010

Pin function

PB6 input pin

AN6 input pin

PB5/AN5

The pin function depends on bits CH3 to CH0 in AMR.

CH3 to CH0

Not 1001

1001

Pin function

PB5 input pin

AN5 input pin

PB4/AN4

The pin function depends on bits CH3 to CH0 in AMR.

CH3 to CH0

Not 1000

1000

Pin function

PB4 input pin

AN4 input pin

PB3/AN3/

IRQ

TMIC

The pin function depends on bits CH3 to CH0 in AMR and bit IRQ1 in PMRB and

bits TMC2 to TMC0 in TMC.

IRQ1

CH3 to CH0

Not 0111

0111

TMC2 to TMC0

Not 111

111

Pin function

PB3 input pin AN3 input pin

IRQ

1 input pin

TMIC input

Note:

When this pin is used as the TMIC input pin, clear IEN1 to 0 in IENR1 to

disable the IRQ1 interrupt.

PB2/AN2

The pin function depends on bits CH3 to CH0 in AMR.

CH3 to CH0

Not 0110

0110

Pin function

PB2 input pin

AN2 input pin

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