HD6413007F20 Datasheet, PDF (276/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

8. I/O Ports
Table 8.1 Port Functions
Port Description
Port 4 • 8-bit I/O port
• Built-in input
pull-up
transistors
Port 6 • 4-bit I/O port
Port 7 • 8-bit I/O port
Pins
P4 to P4 /
7
0
D to D
7
0
P6 /φ
7
P6 /BACK
2
P6₁/BREQ
P6₀/WAIT
P7 /AN /DA
7
7
1
P7 /AN /DA
6
6
0
Port 8
P7₅ to P7₀/
AN₅ to AN₀
• 5-bit I/O port
P8 /CS
4
0
• P8₂ to P8₀ have
Schmitt inputs ^P83^/IRQ3^/CS1^/
ADTRG
P8₂/IRQ₂/CS₂
P8 /IRQ /CS
1
1
3
Port 9 • 6-bit I/O port
P8 /IRQ /RFSH
0
0
P9 /IRQ /SCK
5
5
1
P9₄/IRQ₄/SCK₀
P9₃/RxD₁
P9 /RxD
2
0
P9₁/TxD₁
P9 /TxD
0
0
Mode 1 Mode 2 Mode 3 Mode 4
Data input/output (D to D ) and 8-bit generic input/
7
0
output
8-bit bus mode: generic input/output
16-bit bus mode: data input/output
Clock output (φ) and generic input
Bus control signal input/output (BACK, BREQ,
WAIT) and 3-bit generic input/output
Analog input (AN , AN ) to A/D converter, analog
7
6
output (DA , DA ) from D/A converter, and generic
1
0
input
Analog input (AN₅ to AN₀) to A/D converter, and
generic input
DDR = 0: generic input
DDR = 1 (reset value): CS output
0
IRQ
3
input,
CS
1
output,
external
trigger
input
(ADTRG) to A/D converter, and generic input
DDR = 0 (reset value): generic input
DDR
=
1:
CS
1
output
IRQ
2
and
IRQ
1
input,
CS
2
and
CS
3
output,
and
generic input
DDR = 0 (reset value): generic input
DDR
=
1:
CS
2
and
CS
3
output
IRQ input, RFSH output, and generic input/output
0
Input and output (SCK , SCK , RxD , RxD , TxD ,
1
0
1
0
1
TxD₀) for serial communication interfaces 1 and 0
(SCI1/0),
IRQ
5
and
IRQ
4
input,
and
6-bit
generic
input/output
Rev.5.00 Sep. 12, 2007 Page 246 of 764
REJ09B0396-0500