D12320VF25IV Datasheet, PDF (433/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 9 I/O Ports
Table 9.14 Port A Pin Functions
Pin
PA7/A23/IRQ7
PA6/A22/IRQ6
PA5/A21/IRQ5
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
the operating mode and bits A23E and PA7DDR.
Operating
mode
Modes 4 to 6
Mode 7
A23E
0
1
—
PA7DDR
0
1
0
1
0
1
Pin function PA7
PA7
PA7
A23
PA7
input pin output pin input pin output pin input pin
IRQ7 interrupt input pin^*1
Notes: 1. IRQ7 input when IRQPAS = 0.
2. NMOS open-drain output when PA7ODR = 1.
PA7
output
pin^*2
The pin function is switched as shown below according to the combination of
the operating mode and bits A22E and PA6DDR.
Operating
mode
Modes 4 to 6
Mode 7
A22E
0
1
—
PA6DDR
0
1
0
1
0
1
Pin function PA6
PA6
PA6
A22
PA6
input pin output pin input pin output pin input pin
IRQ6 interrupt input pin^*1
Notes: 1. IRQ6 input when IRQPAS = 0.
2. NMOS open-drain output when PA6ODR = 1.
PA6
output
pin^*2
The pin function is switched as shown below according to the combination of
the operating mode and bits A21E and PA5DDR.
Operating
mode
Modes 4 to 6
Mode 7
A21E
0
1
—
PA5DDR
0
1
0
1
0
1
Pin function PA5
PA5
PA5
A21
PA5
input pin output pin input pin output pin input pin
IRQ5 interrupt input pin^*1
Notes: 1. IRQ5 input when IRQPAS = 0.
2. NMOS open-drain output when PA5ODR = 1.
PA5
output
pin^*2
Rev.6.00 Sep. 27, 2007 Page 401 of 1268
REJ09B0220-0600