Datasheet

Section 1 Overview
Rev.6.00 Sep. 27, 2007 Page 30 of 1268
REJ09B0220-0600
Pin No.
Type Symbol TFP-120 FP-128B I/O Name and Function
A/D converter
and D/A
converter
AV
CC
93 103 Input This is the 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
103 113 Input This is the ground pin for the A/D
converter and D/A converter.
This pin should be connected to the
system power supply (0 V).
V
ref
94 104 Input This is 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 P1
7
to
P1
0
105 to
112
115 to
122
I/O Port 1: An 8-bit I/O port. Input or
output can be designated for each bit
by means of the port 1 data direction
register (P1DDR).
P2
7
to
P2
0
64 to 71 72 to 79 I/O Port 2: An 8-bit I/O port. Input or
output can be designated for each bit
by means of the port 2 data direction
register (P2DDR).
P3
5
to
P3
0
58 to 53 64 to 59 I/O Port 3: A 6-bit I/O port. Input or
output can be designated for each bit
by means of the port 3 data direction
register (P3DDR).
P4
7
to
P4
0
102 to
95
112 to
105
Input Port 4: An 8-bit input port.
P5
3
to
P5
0
92 to 89 102, 101,
98, 97
I/O Port 5: A 4-bit I/O port. Input or
output can be designated for each bit
by means of the port 5 data direction
register (P5DDR).