D12320VF25V Datasheet, PDF (333/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Pin
PG1/CS3/CS6/
IRQ7
Section 8 I/O Ports
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
operating mode and CSS36 bit in PFCR1, CS167E bit in PFCR2, CS25E bit
and bit PG1DDR.
Operating
Mode
Modes 4 to 6^*1
Mode 7^*1
PG1DDR
0
1
01
CS167E
—
0
1
——
CS25E
—0
1
0
1
——
CSS36
—— 0 1 0 1 0 1 ——
Pin function
PG1 PG1 CS3 PG1 output CS6 CS3 CS6 PG1 PG1
input output output
pin
output output output input output
pin pin pin
pin pin pin pin pin
IRQ7 interrupt input pin^*2
PG0/ADTRG/IRQ6 The pin function is switched as shown below according to the combination of
bits TRGS1 and TRGS0 (trigger select 1 and 0) in the A/D control register
(ADCR).
PG0DDR
0
1
Pin function
PG0 input
PG0 output
ADTRG input pin^*3
IRQ6 interrupt input pin^*2
Notes: 1. Modes 6 and 7 are not available in the ROMless versions.
2. When this pin is used as an external interrupt input, it should not be used as an
input/output pin with other functions.
3. ADTRG input when TRGS1 = TRGS0 = 1.
Rev.7.00 Feb. 14, 2007 page 299 of 1108
REJ09B0089-0700