M62376GP
8-bit 12ch D/A Converter IC Built-in 12-bit I/O Expander
REJ03D0881-0300
Rev.3.00
Mar 25, 2008
Description
The M62376GP is a semiconductor IC that adopts a CMOS structure having 12 channels of 8-bit D/A converter and 12-
bit I/O expander. The IC has achieved a wide operation range of 2.7 to 5.5 V in power voltage.
Data is easily available via 3-wire combination system serial input of SI, CLK and
EN.
The IC also provides an SO pin
enabling cascade connection. It provides 8 pins that share D/A converter and I/O ports that can be arbitrarily switched
with serial input data.
Features
•
•
•
•
Supply voltage: 2.7 to 5.5 V
Adopts 4 special ports for each of DAC and I/O and 8 ports that share DAC output and I/O
Each port can be set by serial data for input/output status
Built-in power-on reset where D/A output is set to "L" in the initial status and I/O goes to high-impedance when
power is turned on
•
Small package of 0.65 mm pitch and 24 pin
Application
Adjustment/control of industrial or home-use electronic equipment, such as VCR camera, VCR set, TV, and CRT
display.
Block Diagram
RESET
23
SI 20
EN
22
CLK 19
Clock
control
circuit
V
DD
13
V
CC
14
GND
24
Shift register
21 SO
S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 S0
Decoder
8-bit
latch
8-bit D/A
converter
......
......
8-bit
latch
8-bit D/A
converter
8-bit
latch
8-bit D/A
converter
............
............
8-bit
latch
8-bit D/A
converter
Amp. Hi-Z
8-bit latch
I/O select
12-bit latch
(12)
− +
......
− +
− +
............
− +
A1
A4
A5
A12
............
............
Output data 8-bit latch
Output data 4-bit latch
1
A1
......
4
A4
5
D11/A5
............
12
D4/A12
15
D3
............
18
D0
REJ03D0881-0300 Rev.3.00 Mar 25, 2008
Page 1 of 10
RENESAS [ RENESAS TECHNOLOGY CORP ]
