HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 432

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 9 I/O Ports
Pin
PA
PA
PA
PA
PA
Rev.6.00 Sep. 27, 2007 Page 402 of 1268
REJ09B0220-0600
4
3
2
1
0
/A
/A
/A
/A
/A
20
19
18
17
16
/IRQ
4
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
the operating mode and bits A20E and PA4DDR.
Notes: 1. IRQ
The pin function is switched as shown below according to the combination of
the operating mode and bit PAnDDR.
Notes: 1. n = 0 to 3, m = 16 to 19
Operating
mode
A20E
PA4DDR
Pin function Setting
Operating
mode
PAnDDR *
Pin function Am output
2. NMOS open-drain output when PA4ODR = 1.
2. PAn output is NMOS open-drain output when PAnODR = 1.
1
and 5, although the pin designation is output-only, IRQ
also performed.
hibited
pro-
4
4 and 5
Modes
0
input when IRQPAS = 0. Note that in this state in modes 4
Modes 4 and 5
pin *
—
0
1
output
PA
pin
1
4
input pin *
output
A
pin
—
PA
1
20
0
IRQ
n
Mode 6
input
PA
1
pin
4
0
interrupt input pin *
4
Am output
0
output
pin *
PA
pin
1
1
Mode 6
4
1
input
PA
pin
0
input pin *
4
1
PA
output
1
0
A
pin
1
n
20
Mode 7
1
input
4
PA
pin
0
input is
Mode 7
pin *
4
output
PA
—
1
output
pin *
1
PA
n
*
1
2
4
2