Datasheet

Section 1 Overview
Rev. 3.00 Mar 17, 2006 page 19 of 926
REJ09B0283-0300
Pin No.
Type Symbol
FP-144G
(H8S/2678
Group)
FP-144H
(H8S/2678R
Group)
I/O Function
A/D converter AN15 to
AN12,
AN7 to
AN0
130 to 127,
126 to 123,
120 to 117
130 to 127,
126 to 123,
120 to 117
Input Analog input pins for the A/D
converter.
ADTRG 110 110 Input Pin for input of an external trigger to
start A/D conversion.
D/A converter DA3 to
DA0
130, 129,
126, 125
130, 129,
126, 125
Output Analog input pins for the D/A
converter.
A/D converter,
D/A converter
AV
CC
122 122 Input 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).
AV
SS
131 131 Input The ground pin for the A/D
converter and D/A converter.
This pin should be connected to the
system power supply (0 V).
Vref 121 121 Input 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).
I/O ports P17 to
P10
51 to 48,
46 to 43
51 to 48,
46 to 43
Input/
output
Eight input/output pins.
P27 to
P20
59 to 52 59 to 52 Input/
output
Eight input/output pins.
P35 to
P30
133 to 135,
137 to 139
133 to 135,
137 to 139
Input/
output
Six input/output pins.
P47 to
P40
126 to 123,
120 to 117
126 to 123,
120 to 117
Input Eight input pins.