HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 379

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

Port 5 • 4-bit I/O
Port 6 • 8-bit I/O
Port A
Port Description
• Schmitt-
• Schmitt-
• 8-bit I/O
• Built-in
• Open-drain
• Schmitt-
port
triggered
input
(IRQ input
only)
port
triggered
input
(P6
port
MOS input
pull-up
output
capability
triggered
input
(PA
PA
7
4
4
)
to P6
to
7
)
P5
BREQO
P5
P5
P5
P6
P6
P6
P6
P6
P6
P6
P6
PA
PA
PA
PA
PA
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
/ADTRG/IRQ7/WAIT/
/SCK
/RxD
/TxD
/IRQ
/IRQ
/IRQ
/IRQ
/TEND
/DREQ
/TEND
/DREQ
/A
/A
/A
/A
/A
23
22
21
20
19
/IRQ
/IRQ
/IRQ
/IRQ
to PA
2
3
2
1
0
2
2
/CS
/CS
/IRQ
/IRQ
/IRQ
1
0
1
0
*
*
Pins
*
*
2
2
7
6
5
4
2
2
7
6
/CS
/CS
0
4
5
6
/A
16
5
4
I/O port also functioning as A/D converter
input pin (ADTRG), and as interrupt input pin
(IRQ
when WAITE = 1, BREQOE = 0, WAITPS =
1, DDR = 0, and WAITE = 0, BREQOE = 1,
BREQO output pin when BREQOPS = 1
I/O port also functioning as SCI (channel 2) I/O pins (TxD
RxD
when IRQPAS = 1
8-bit I/O port also functioning as DMA
controller I/O pins (DREQ
TEND
CS
When DDR = 0 (after reset):
dual function as input ports
and interrupt input pins (IRQ
to IRQ
When DDR = 1 and A23E to
A21E = 1: address output
When DDR = 1 and A23E to
A21E = 0: DR value output
I/O port also functioning as
address output and interrupt
input pin (IRQ
Address output
Mode 4 *
7
), and interrupt input pins (IRQ
2
7
, SCK
) when IRQPAS = 1, WAIT input pin
1
5
) *
)
2
, bus control output pins (CS
2
1
), and as interrupt input pins (IRQ
Rev.6.00 Sep. 27, 2007 Page 349 of 1268
4
)
Mode 5 *
0
, TEND
1
7
When DDR =
0 (after reset):
dual function
as input ports
and interrupt
input pins
(IRQ
When DDR =
1 and A23E to
A20E = 1:
address
output
When DDR =
1 and A23E to
A20E = 0: DR
value output
When DDR =
0 (after reset):
input ports
When DDR =
1: address
output
Mode 6
0
0
, DREQ
7
to IRQ
to IRQ
Section 9 I/O Ports
4
REJ09B0220-0600
to
3
1
)
,
4
)
4
I/O port also
functioning as
A/D converter
input pin
(ADTRG),
and as inter-
rupt input pin
(IRQ
IRQPAS = 1
8-bit I/O port
also function-
ing as inter-
rupt input pins
(IRQ
Dual function
as I/O ports
and interrupt
input pins
(IRQ
I/O ports
to IRQ
Mode 7
7
0
7
) when
to IRQ
to IRQ
6
)
2
,
3
4
)
)