HD64F2357F20V Datasheet, PDF (297/1049 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

Port Description
Pins
Port A • 8-bit I/O
port
• On-chip
MOS input
pull-up*⁴
PA₇/A₂₃/IRQ7
PA₆/A₂₂/IRQ6
PA₅/A₂₁/IRQ5
• Open-drain
output
capability*⁴
• Schmitt-
triggered
PA₄/A₂₀/IRQ4
input
(PA₄ to PA₇)
PA₃/A₁₉ to PA₀/A₁₆
Port B • 8-bit I/O
port
• On-chip
MOS input
pull-up*⁴
PB₇/A₁₅ to PB₀/A₈
Port C • 8-bit I/O
port
• On-chip
MOS input
pull-up*⁴
PC₇/A₇ to PC₀/A₀
Port D • 8-bit I/O
port
• On-chip
MOS input
pull-up*⁴
Port E • 8-bit I/O
port
• On-chip
MOS input
pull-up*⁴
PD₇/D₁₅ to PD₀/D₈
PE₇/D₇ to PE₀/D₀
Mode 4*³
Mode 5*³
Mode 6
Mode 7
When DDR = 0 (after reset):
dual function as input ports
and interrupt input pins
(IRQ7 to IRQ5)
When DDR = 1: address
output
When DDR = Dual function
0 (after reset): as I/O ports
dual function and interrupt
as input ports input pins
and interrupt (IRQ7 to
input pins IRQ4)
(IRQ7 to
IRQ4)
Address output
When DDR =
1: address
output
Address output
Address output
Address output
Data bus input/output
When DDR = I/O port
0 (after reset):
input ports
When DDR =
1: address
output
When DDR = I/O port
0 (after reset):
input port
When DDR =
1: address
output
When DDR = I/O port
0 (after reset):
input port
When DDR =
1: address
output
I/O port
In 8-bit bus mode: I/O port
In 16-bit bus mode: data bus input/output
I/O port
Rev.6.00 Oct.28.2004 page 267 of 1016
REJ09B0138-0600H