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Port
Description
•
Port 4
1-bit input port
•
3-bit I/O port
•
Port 5
8-bit I/O port
•
MOS input pull-up
option
•
Port 6
8-bit I/O port
•
MOS input pull-up
option
•
Port 7
8-bit I/O port
•
Port 8
8-bit I/O port
•
Port 9
Dedicated 6-bit
output port
•
High-voltage, large-
current port *
•
High-voltage port *
•
Port A
4-bit I/O port
•
Port B
Dedicated 8-bit
input port
Notes: 1. Pin 16 and the associated function are not implemented on the H8/38124 Group.
2. Applies to the HD64338024, HD64338023, HD64338022, HD64338021, HD64338020,
and H8/38124 Group only.
3. Standard voltage on H8/38024S Group and H8/38124 Group.
4. Applies to H8/38124 Group only.
Rev. 6.00, 08/04, page 188 of 628
Pins
P4
/IRQ
3
0
P4
/TXD
2
32
P4
/RXD
1
32
P4
/SCK
0
32
P5
to P5
/
7
0
WKP
to WKP
7
SEG
to SEG
8
P6
to P6
/
7
0
SEG
to SEG
16
P7
to P7
/
7
0
SEG
to SEG
24
P8
to P8
/
7
0
SEG
to SEG
32
P9
to P9
5
2
(P9
, P9
, P9
5
4
4
) *
P9
/V
3
ref
P9
, P9
/
3
1
0
PWM2, PWM1
3
IRQAEC
PA
to PA
/
3
0
COM
to COM
4
PB
to PB
/
7
4
AN
to AN
7
4
PB
/AN
/IRQ
3
3
PB
/AN
2
2
/(extU) *
PB
/AN
1
1
/(extD) *
PB
/AN
0
0
Other Functions
External interrupt 0
SCI3 data output (TXD
data input (RXD
input/output (SCK
Wakeup input (WKP
WKP
/
), segment output
0
0
(SEG
to SEG
1
8
Segment output (SEG
SEG
)
9
9
Segment output (SEG
SEG
)
17
17
Segment output (SEG
SEG
)
25
25
None
,
(LVD reference voltage
2
external input pin) *
10-bit PWM output
None
Common output
(COM
to COM
1
4
A/D converter analog input
(AN
to AN
)
7
4
A/D converter analog input
1
(AN
), external interrupt 1,
3
timer event input (TMIC)
A/D converter analog input
4
A/D converter analog input
4
(LVD detect voltage external
4
input pin) *
Function
Switching
Registers
PMR2
),
SCR3
32
), clock
SMR3
32
)
SPCR
32
to
PMR5
7
LPCR
)
1
to
LPCR
16
to
LPCR
24
to
LPCR
32
(LVDSR) *
4
PMR9
LPCR
)
1
AMR
AMR
PMRB
TMC
AMR
AMR
(LVDCR) *
4
4
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