Hitachi H8S/2646 Hardware Manual page 252

Hitachi 16-bit single-chip microcomputer h8s/2646 series
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Port
Description
Port F • 7-bit I/O
PF7/φ
port
PF6/AS/SEG36
PF5/RD/SEG35
PF4/HWR/SEG34
PF3/LWR/ADTRG
/IRQ3
PF2/WAIT/SEG33
PF0/IRQ2
Port H • 8-bit I/O
PH7/PWM1H
port
PH6/PWM1G
PH5/PWM1F
PH4/PWM1E
PH3/PWM1D
PH2/PWM1C
PH1/PWM1B
PH0/PWM1A
Port J • 8-bit I/O
PJ7/PWM2H
port
PJ6/PWM2G
PJ5/PWM2F
PJ4/PWM2E
PJ3/PWM2D
PJ2/PWM2C
PJ1/PWM2B
PJ0/PWM2A
Port K • 2-bit I/O
PK7
port
PK6
220
Pins
Mode 4
If DDR = 0: input port
If DDR = 1: φ output
LCD segment output (SEG34 to SEG36) and
bus control signals (AS, RD, HWR)
Bus control signal (LWR) and ADTRG, IRQ3
input
If WAITE = 0, BREQUE = 0 (following reset):
LCD segment output (SEG33) and I/O port
If WAITE = 1, BREQUE = 0: LCD segment
output and WAIT input
IRQ2 input and I/O port
PWM (channel 1) output and 8-bit I/O port
PWM (channel 2) output and 8-bit I/O port
2-bit I/O port
Mode 5
Mode 6
Mode 7
LCD segment
output (SEG34
to SEG36) and
I/O port
I/O port and
ADTRG, IRQ3
input
LCD segment
output
(SEG33) and
I/O port

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