HD64F38602R Datasheet, PDF (171/552 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 8 I/O Ports
8.5.2 Port Mode Register B (PMRB)
PMRB controls the selection of the port B pin functions.
Initial
Bit Bit Name Value R/W Description
7 to 4 


Reserved
3
ADTSTCHG 0
The read value is undefined. These bits cannot be
modified.
R/W
TEST/ADTRG Pin Function Switch
Selects whether pin TEST/ADTRG is used as TEST or
as ADTRG.
0: TEST pin
1: ADTRG input pin
For details on the setting of the ADTRG input pin, refer
to section 17.4.2, External Trigger Input Timing.
2



Reserved
The read value is undefined. This bit cannot be
modified.
1
IRQ1
0
R/W PB1/AN1/IRQ1 Pin Function Switch
Selects whether pin PB1/AN1/IRQ1 is used as
PB1/AN1 or as IRQ1.
0: PB1/AN1 input pin
1: IRQ1 input pin*
0
IRQ0
0
R/W PB0/AN0/IRQ0 Pin Function Switch
Selects whether pin PB0/AN0/IRQ0 is used as
PB0/AN0 or as IRQ0.
0: PB0/AN0 input pin
1: IRQ0 input pin*
Note: * When the IRQnS1 and IRQnS0 (n = 1 or 0) bits in PFCR are set to a value other than
B'00, these bits should not be set since the IRQn pin is assigned to another port.
Rev. 3.00 May 15, 2007 Page 139 of 516
REJ09B0152-0300