HD6412350 Hitachi, HD6412350 Datasheet - Page 336

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

Table 9-1
Port A • 8-bit I/O
Port B • 8-bit I/O
Port C • 8-bit I/O
Note: 1. Only applies to the H8S/2351.
316
Port Description
• Built-in
• Open-drain
• Schmitt-
• Built-in
• Built-in
port
MOS input
pull-up*
output
capability*
triggered
input (PA
to PA
port*
MOS input
pull-up*
port*
MOS input
pull-up*
1
1
7
Port Functions (cont)
)
1
1
1
4
1
PA
IRQ7
PA
IRQ6
PA
IRQ5
PA
IRQ4
PA
PA
PB
PB
PC
PC
7
6
5
4
3
0
7
0
7
0
/A
/A
/A
/A
/A
/A
/A
/A
/A
/A
Pins
23
22
21
20
19
16
15
8
7
0
to
/
/
/
/
to
to
Dual function as I/O ports and
interrupt input pins (IRQ7 to
IRQ4)
I/O ports
Address
output
Address
output
Mode 1 Mode 2*
When
DDR = 0
(after
reset):
input port
When
DDR = 1:
address
output
When
DDR = 0
(after
reset):
input port
When
DDR = 1:
address
output
1
Mode 3*
I/O port
I/O port
1
When DDR = 0 (after
reset): dual function
as input ports and
interrupt input pins
(IRQ7 to IRQ5)
When DDR = 1:
address output
Address output
Address output
Address output
Address output
Mode 4
Mode 5 Mode 6*
When
DDR = 0
(after
reset):
dual
function
as input
ports and
interrupt
input pins
(IRQ7 to
IRQ4)
When
DDR = 1:
address
output
When
DDR = 0
(after
reset):
input
ports
When
DDR = 1:
address
output
When
DDR = 0
(after
reset):
input port
When
DDR = 1:
address
output
When
DDR = 0
(after
reset):
input port
When
DDR = 1:
address
output
1
Mode 7*
Dual
function
as I/O
ports and
interrupt
input pins
(IRQ7 to
IRQ4)
I/O ports
I/O port
I/O port
1