Datasheet

Section 1 Overview
R01UH0309EJ0500 Rev. 5.00 Page 41 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
TxD4-B
TxD3
TxD2
TxD1
TxD0/
IrTxD
24
33
133
141
142
J4
L2
A6
B3
C4
23
86
109
117
118
Output Data output pins.
Serial
communi-
cation
interface
(SCI)/
Smart Card
interface
(SCI_0
with IrDA
function)
RxD4-B
RxD3
RxD2
RxD1
RxD0/
IrRxD
26
59
134
139
140
J2
K8
B5
C5
A4
24
85
110
115
116
Input Data input pins.
SCK4-A
SCK4-B
SCK3
SCK2
SCK1
SCK0
138
27
61
135
137
138
B4
H3
M8
C6
A5
B4
114
25
50
111
113
114
Input/
output
Clock input/output pins.
SCL3
SCL2
SCL1
SCL0
134
58
139
137
B5
K7
C5
A5
110
49
115
113
Input/
output
I
2
C clock input/output pins. I
2
C bus
interface 2
(IIC2)
SDA3
SDA2
SDA1
SDA0
133
57
140
138
A6
L8
A4
B4
109
48
116
114
Input/
output
I
2
C data input/output pins.