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M66006P Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor

Part # M66006P
Description  12-BIT I/O EXPANDER
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Manufacturer  MITSUBISHI [Mitsubishi Electric Semiconductor]
Direct Link  http://www.mitsubishichips.com
Logo MITSUBISHI - Mitsubishi Electric Semiconductor

M66006P Datasheet(HTML) 1 Page - Mitsubishi Electric Semiconductor

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MITSUBISHI
〈DIGITAL ASSP〉
M66006P/FP
12-BIT I/O EXPANDER
1
MITSUBISHI
〈DIGITAL ASSP〉
M66006P/FP
12-BIT I/O EXPANDER
DESCRIPTION
The M66006 is a semiconductor integrated circuit which has
12-bit shift register function to execute serial-parallel conver-
sion and parallel-serial conversion.
Because a serial-parallel shift register and a parallel-serial
shift register are independently built in this IC, it is possible to
read serial input data to a shift register while converting par-
allel data into serial data. Also, parallel data I/O pins can be
set to input mode or output mode bit-by-bit.
The M66006 can be widely used for I/O port expansion of
MCU, serial bus system data communication, etc.
FEATURES
• Bi-directional serial data communication with MCU
• Read of serial data during parallel-serial conversion.
• Bit resolution of serial data I/O
• Low power dissipation (50
µW/package max.)
(VCC=5V, Ta=25
°C, in quiescing)
• Schmitt input (DI, CLK, S, CS)
• Open drain output (DO, from D1 to D12)
• Parallel data I/O (from D1 to D12)
• Wide operating supply voltage range (VCC=2 to 6V)
• Wide operating temperature range (Ta =–20 to 75
°C)
APPLICATION
Serial-parallel data conversion, parallel-serial data conver-
sion, serial bus control by MCU.
PIN CONFIGURATION (TOP VIEW)
BLOCK DIAGRAM
Clock input CLK
Serial
data output
Shift register
!
Parallel output latch
Shift register
@
Set input
S
Chip
select input
Serial
data input
DO
D1
DO
D1~D12
D2
D3
D10
D11
D12
D12 D11 D10
D3 D2 D1
D1
DO
D12 D11 D10
D3 D2 D1
Q12 Q11 Q10
Q3 Q2
GND
GND
Q1
Q12 D11 D10
Q3 Q2 Q1
CS
DI
CLK
S
CS
DI
VCC
VCC
VCC
VCC
Input form
Output form
5
3
6
4
2
20
19
18
11
9
8
10
7
1
Outline 20P4
20P2N-A
DO
DI
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
CLK
CS
S
D12
D11
DO ←
DI →
CLK →
CS →
VCC
S →
GND
D12 ↔
D11 ↔
GND
↔ D1
↔ D2
↔ D3
↔ D4
↔ D5
↔ D6
↔ D7
↔ D8
↔ D9
↔ D10
Serial data output
120
219
318
417
516
615
714
813
912
10
11
Serial data input
Clock input
Chip select input
Set input
Parallel data I/O
Parallel data
outputs


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