Datasheet

Section 1 Overview
R01UH0309EJ0500 Rev. 5.00 Page 43 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Pin No.
H8S/2456, H8S/2456R
H8S/2454
Type Symbol PLQP0144KA-A
PTLG0145JB-A
PLQP0120LA-A,
PLQP0120KA-A I/O Function
A/D
converter,
D/A
converter
AV
CC
111 B11 93 Input Analog power-supply pin for the A/D
converter and D/A converter. When
the A/D converter and D/A converter
are not used, this pin should be
connected to the system power
supply (V
CC
).
AV
SS
129 A7 105 Input Ground pin for the A/D converter
and D/A converter. This pin should
be connected to the system power
supply (V
SS
).
Vref 112 B12 94 Input Reference voltage input pin for the
A/D converter and D/A converter.
When the A/D converter and D/A
converter are not used, this pin
should be connected to the system
power supply (V
CC
).
I/O ports P17 to
P10
49 to 42 L5, K6, K5, N4,
M5, L4, M4, N3
41 to 34 Input/
output
8-bit input/output pins.
P27 to P25
P20
58 to 56
51
K7, L8, N7, L6 49 to 47
42
Input/
output
4-bit input/output pins.
P35 to
P30
137 to 142 A5, B4, C5, A4,
B3, C4
113 to 118 Input/
output
6-bit input/output pins.
P47 to
P40
120 to 113 B8, C9, B9, A10,
C10, B10, C11,
A11
102 to 95 Input 8-bit input pins.
P53 to
P50
136 to 133 D4, C6, B5, A6 112 to 109 Input/
output
4-bit input/output pins.
P65 to
P60
106 to 104,
83 to 81
C13, D12, D10,
J10, K13, J12
⎯ Input/
output
6-bit input/output pins.
P85
P84*
2
P83
P82*
2
P81
P80*
2
61
60
59
34
33
3
M8
N8
K8
K3
L2
C2
50
⎯
85
⎯
86
⎯
Input/
output
6-bit input/output pins in the
H8S/2456 Group and H8S/2456R
Group.
3-bit input/output pins in the
H8S/2454 Group.