Datasheet
Section 1 Overview
Page 42 of 1408 R01UH0309EJ0500 Rev. 5.00
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
SSO0-A
SSO0-B
SSO0-C
46
31
87
N4
J3
J13
38
29
72
Input/
output
Data input/output pins.
SSI0-A
SSI0-B
SSI0-C
47
30
86
K5
K2
H10
39
28
71
Input/
output
Data input/output pins.
Synchro-
nous serial
communi-
cation
unit (SSU)
SSCK0-A
SSCK0-B
SSCK0-C
48
29
85
K6
J1
H12
40
27
70
Input/
output
Clock input/output pins.
SCS0-A
SCS0-B
SCS0-C
49
28
84
L5
K4
J11
41
26
69
Input/
output
Chip select input/output pins.
USD+ 53 M6 44
USD- 54 N6 45
Input/
output
USB data input/output pin.
VBUS 56 N7 47 Input USB cable
connection/disconnection detection
pin.
Universal
serial
interface
(USB)
PUPD+ 51 L6 42 output PULLUP control pin for D+signal.
A/D
converter
AN15_1*
2
AN14_1*
2
128
127
D6
D7
⎯ Input Analog input pins.
AN13_1
AN12_1
126
125
D8
A8
104
103
Input Analog input pins.
AN11_1 to
AN8_1*
2
124 to 121 B7, C8, D9, A9 ⎯ Input Analog input pins.
AN7_0 to
AN0_0
120 to 113 B8, C9, B9, A10,
C10, B10, C11,
A11
102 to 95 Input Analog input pins.
ADTRG0-A
ADTRG0-B
ADTRG1
136
84
57
D4
J11
L8
112
69
48
Input Pin for input of an external trigger to
start A/D conversion.
D/A
converter
DA3
DA2
126
125
D8
A8
104
103
Output Analog output pins.