Hitachi H8S/2646 Hardware Manual page 251

Hitachi 16-bit single-chip microcomputer h8s/2646 series
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Port
Description
Port B • 8-bit I/O
PB7/A15/SEG32
port
PB6/A14/SEG31
• Built-in
PB5/A13/SEG30
MOS input
PB4/A12/SEG29
pull-up
PB3/A11/SEG28
• Open-drain
PB2/A10/SEG27
output
capability
PB1/A9/SEG26
PB0/A8/SEG25
Port C • 8-bit I/O
PC7/A7/SEG24
port
PC6/A6/SEG23
• Built-in
PC5/A5/SEG22
MOS input
PC4/A4/SEG21
pull-up
PC3/A3/SEG20
• Open-drain
PC2/A2/SEG19
output
capability
PC1/A1/SEG18
PC0/A0/SEG17
Port D • 8-bit I/O
PD7 /D15/SEG16
port
PD6/D14/SEG15
• Built-in
PD5/D13/SEG14
MOS input
PD4/D12/SEG13
pull-up
PD3/D11/SEG12
PD2/D10/SEG11
PD1/D9/SEG10
PD0/D8/SEG9
Port E • 8-bit I/O
PE7/D7/SEG8
port
PE6/D6/SEG7
• Built-in
PE5/D5/SEG6
MOS input
PE4/D4/SEG5
pull-up
PE3/D3/SEG4
PE2/D2/SEG3
PE1/D1/SEG2
PE0/D0/SEG1
Pins
Mode 4
LCD segment output (SEG25 to SEG32),
address output (A15 to A8), and 8-bit I/O port
Address output (A7 to A0)
Data bus I/O
LCD segment output (SEG1 to SEG8) and I/O
port in 8-bit bus mode
LCD segment output (SEG1 to SEG8), data
bus I/O port, and I/O port in 16-bit bus mode
Mode 5
Mode 6
LCD segment
output (SEG17
to SEG24),
address output
(A7 to A0),
and 8-bit I/O
port
LCD segment
output (SEG9
to SEG16) and
data bus I/O
Mode 7
LCD segment
output (SEG25
to SEG32) and
8-bit I/O port
LCD segment
output (SEG17
to SEG24) and
8-bit I/O port
LCD segment
output (SEG17
to SEG24) and
8-bit I/O port
LCD segment
output (SEG1
to SEG8) and
8-bit I/O port
219

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