HD64F3337YCP16V Datasheet, PDF (140/749 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Table 7.1 (a) Port Functions for H8/3337 Series
Port
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Expanded
Modes
Single-Chip
Mode
Description
Pins
Mode 1
Mode 2
Mode 3
• 8-bit I/O port
• Can drive LEDs
• Built-in input
pull-ups
P1₇ to P1₀/A₇ to A₀
Lower address
output (A₇ to A₀)
Lower address
output (A₇ to A₀)
or general input
General
input/output
(Can also be
used as Key-
scan output
port)
• 8-bit I/O port
• Can drive LEDs
• Built-in input
pull-ups
P2₇ to P2₀/A₁₅ to A₈
Upper address
output (A₁₅ to A₈)
Upper address
output (A₁₅ to A₈)
or general input
General
input/output
(Can also be
used as Key-
scan output
port)
• 8-bit I/O port
• Built-in input
pull-ups
• HIF data bus
P3₇ to P3₀/
HDB₇ to HDB₀/
D₇ to D₀
Data bus
(D₇ to D₀)
Data bus
(D₇ to D₀)
HIF data bus
(HDB₇ to
HDB₀) or
general input/
output
• 8-bit I/O port
• 3-bit I/O port
• 8-bit I/O port
• Built-in input
pull-ups
• Key sense
interrupt input
P4₇/PW₁
P4₆/PW₀
PWM timer 0/1 output (PW₀, PW₁), or general input/
output
P4₅/TMRI₁/HIRQ₁₂
P4₄/TMO₁/HIRQ₁
P4₃/TMCI₁/HIRQ₁₁
8-bit timer 1 input/output (TMCI₁, TMO₁, TMRI₁), host
processor interrupt request output from HIF (HIRQ₁₁,
HIRQ₁, HIRQ₁₂), or general input/output
P4₂/TMRI₀
P4₁/TMO₀
8-bit timer 0 input/output (TMCI₀, TMO₀, TMRI₀) or
general input/output
P4₀/TMCI₀
P5₂/SCK₀
P5₁/RxD₀
Serial communication interface 0 input/output (TxD₀,
RxD₀, SCK₀) or general input/output
P5₀/TxD₀
P6₇/IRQ₇/KEYIN₇
16-bit free-running timer input/output (FTCI, FTOA,
P6₆/FTOB/IRQ₆/KEYIN₆
P6₅/FTID/KEYIN₅
FTIA, FTIB, FTIC, FTID, FTOB), key sense interrupt
input (KEYIN₇ to KEYIN₀), external interrupt input (IRQ₇,
IRQ₆), or general input/output
P6₄/FTIC/KEYIN₄
P6₃/FTIB/KEYIN₃
P6₂/FTIA/KEYIN₂
P6₁/FTOA/KEYIN₁
P6₀/FTCI/KEYIN₀
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