R8A66152SP Datasheet, PDF (1/8 Pages) Renesas Technology Corp – 12-BIT I/O EXPANDER WITH LED DRIVE FUNCTION

R8A66152SP
12-BIT I/O EXPANDER WITH LED DRIVE FUNCTION



REJ03F0259-0100
Rev. 1.00
Jan.9.2008
D

ESCRIPTION
R8A66152 is a semiconductor integrated circuit which has 12-bit shift register function to execute serial in
-

parallel out conversion and parallel in - serial out
conversion.
Built in two shift registers for serial in - parallel out and parallel in - serial out are constructed independently,
This IC is able to read serial input data into a shift register while output the serial data converting from the
parallel data input.
Also, parallel data I/O pins can be set to input mode or output mode by a bit.
R8A66152 is useful in a wide range of applications, such as MCU (micro controller
unit) I/O port extension
and serial bus system data communication.
Moreover, R8A66152 can be used as the anode common LED drive, too.



F
EATURES
Bi-directional serial communication with MCU

Serial data can be input during parallel to serial data conversion

Parallel data I/O pins can be set input mode or output mode by a bit

Schmitt input (DI, CLK, /S, /CS)

N-ch open drain output (DO, D1~D12).
High output current IOL=24mA (at VCC=4.5V), IOL=15mA (at VCC=3.0V)

Parallel data I/O pins (D1~D12)

Wide supply voltage range (Vcc=2.0 to 6.0V)

Wide operating temperature range (Ta=-40 to 85^oC)


A
PPLICATION
Serial - parallel or parallel - serial data conversion for MCU peripheral.
Serial bus control by MCU.
LED array drive, The various LED display modules.




PIN CONFIGURATION (TOP VIEW)










SERIAL DATA OUTPUT DO
1
20
D1


SERIAL DATA INPUT DI
2
19
D2


CLOCK INPUT CLK
3


CHIP SELECT INPUT CS
4


Vcc
5




SET INPUT S
6


GND
7


PARALLEL DATA
D12
8


I/O
D11
9
18
D3
17
D4
16
D5
PARALLEL DATA
15
D6
I/O
14
D7
13
D8
12
D9


GND
10
11
D10






Package : 20pin plastic SOP (Lead pitch : 1.27mm)










REJ03F0259-0100 Rev.1.00 Jan.9.2008







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