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PDF ( 数据手册 , 数据表 ) R8A66151SP

零件编号 R8A66151SP
描述 24-BIT I/O EXPANDER
制造商 Renesas Technology
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R8A66151SP 数据手册, 描述, 功能
R8A66151SP
24-BIT I/O EXPANDER
REJ03F0258-0100
Rev. 1.00
Jan.08.2008
DESCRIPTION
R8A66151 is a semiconductor integrated circuit which has 24-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.
R8A66151 is useful in a wide range of applications, such as MCU (micro controller unit) I/O port extension
and serial bus system data communication. R8A66151 is the succession product of M66010.
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FEATURES
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~D24)
Parallel data I/O pins (D1~D24)
Wide supply voltage range (Vcc=2.0 to 6.0V)
Wide operating temperature range (Ta=-40 to 85oC)
APPLICATION
Serial - parallel or parallel - serial data conversion for MCU peripheral.
Serial bus control by MCU.
PIN CONFIGURATION (TOP VIEW)
SERIAL DATA OUTPUT DO
SERIAL DATA INPUT DI
CLOCK INPUT CLK
CHIP SELECT INPUT CS
Vcc
SET INPUT S
GND
D24
D23
D22
D21
D20
D19
D18
D17
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 D1
31 D2
30 D3
29 D4
28 D5
27 D6
26 D7
25 D8
24 D9
PARALLEL DATA
I/O
23 D10
22 D11
21 D12
20 D13
19 D14
18 D15
17 D16
REJ03F0258-0100 Rev.1.00 Jan.08.2008
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