Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 58

Type Symbol
Serial commu- TxD4
nication TxD3
interface TxD2
(SCI)/smart TxD1
card interface TxD0/
(SCI_0 with IrTxD
IrDA function)
RxD4
RxD3
RxD2
RxD1
RxD0/
IrRxD
SCK4
SCK3
SCK2
SCK1
SCK0
IIC bus SCL1
interface 2 SCL0
(IIC2)
SDA1
SDA0
A/D converter AN15 to
AN0
A D TRG
D/A converter DA5 to
DA0
A/D converter, AV
CC
D/A converter
AV
SS
Vref
Rev. 1.0, 09/01, page 14 of 904
Pin No. I/O
54, Output Data output pins.
33,
133,
141,
142
55, Input
59,
134,
139,
140
138, Input/
61, output
135,
137,
138
139, Input/
137 output
140, Input/
138 output
128 to 113 Input
136 Input
128 to 125, Output Analog input pins for the D/A converter.
120, 119
111 Input
129 Input
112 Input
Function
Data input pins.
Clock input/output pins.
IIC clock input/output pins.
IIC data input/output pins.
Analog input pins for the A/D converter.
Pin for input of an external trigger to start A/D
conversion.
The 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 (+3 V).
The ground pin for the A/D converter and D/A
converter.
This pin should be connected to the system power
supply (0 V).
The 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 (+3 V).