D12320VF25IV Datasheet, PDF (62/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 1 Overview
Type
A/D converter
and D/A
converter
Symbol
AVCC
AVSS
Vref
I/O ports
P17 to
P10
P27 to
P20
P35 to
P30
P47 to
P40
P53 to
P50
Pin No.
TFP-120 FP-128B I/O
93
103
Input
103
113
Input
94
104
Input
105 to 115 to I/O
112
122
64 to 71 72 to 79 I/O
58 to 53 64 to 59 I/O
102 to
95
92 to 89
112 to
105
Input
102, 101, I/O
98, 97
Name and Function
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).
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).
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).
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).
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).
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).
Port 4: An 8-bit input port.
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).
Rev.6.00 Sep. 27, 2007 Page 30 of 1268
REJ09B0220-0600