M62320FP MITSUBISHI, M62320FP Datasheet

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M62320FP

Manufacturer Part Number
M62320FP
Description
8-bit I/O expander for I2C bus
Manufacturer
MITSUBISHI
Datasheet

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GENERAL DESCRIPTION
The M62320P/FP is a CMOS 8-bit I/O expander which has
serial to parallel and parallel to serial data converting
functions.
It can communicate with a microcontroller via few wiring
thanks to the adoption of the two-line I C BUS.
Parallel data I/O terminal can be set to input or output
mode alternatively in individual bits.
Maximum 8 ICs can be connected to a bus by using three
chip-select pins, so that it is possible to handle up to 64 bits
data.
FEATURES
• Simple two-line (SCL and SDA) communication with a
• 8-bit data conversion between serial and parallel by
• Built-in power-on reset.
APPLICATION
I/O port expansion for a microcontroller.
Data conversion between serial and parallel in
microcontroller peripherals.
microcontroller.
I C BUS.
2
BLOCK DIAGRAM
GND
SCL
SDA
V
DD
13
8
2
3
POWER-ON
RESET
CHIP-SELECT
CS0 CS1 CS2
OUTPUT DATA
LATCH
16
D7
12
2
I C BUS
TRANSCEIVER
15
2
MITSUBISHI ELECTRIC
Output Data
D6
11
14
8
8
10
D5
Å@
I/O PORT
I/O SETTING
DATA LATCH
D4
9
Input/Output
8
8
D3
7
PIN CONFIGURATION(TOP VIEW)
MITSUBISHI < STD. LINEAR ICs >
8-BIT I/O EXPANDER for I C BUS
D2
6
GND
SDA
SCL
D0
D1
D2
D3
SO
INPUT DATA
LATCH
SHIFT
REGISTER
D1
5
Outline 16P4(P)
1
2
3
4
5
6
7
8
Input Data
8
8
D0
4
16P2N(FP)
M62320P,FP
2/20,1998(rev) (
16
15
14
13
12
11
10
1
9
SO
2
CS0
CS1
CS2
V
D7
D6
D5
D4
DD
1
/ 9 )

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M62320FP Summary of contents

Page 1

... Input/Output 8 8 OUTPUT DATA I/O SETTING LATCH DATA LATCH 8 8 Å@ I/O PORT MITSUBISHI ELECTRIC MITSUBISHI < STD. LINEAR ICs > M62320P,FP 8-BIT I/O EXPANDER for I C BUS PIN CONFIGURATION(TOP VIEW SCL 2 15 SDA ...

Page 2

... Input/ Output GND 8 Function Serial clock input Serial data input/output Serial data output Chip select data input Parallel data input/output Power supply GND MITSUBISHI ELECTRIC M62320P,FP 8-BIT I/O EXPANDER for I C BUS 2/20,1998(rev ...

Page 3

... HZ SCL V = VDD,V = GND stop SCL -10 0. -1mA 5mA 0. 1. MITSUBISHI ELECTRIC M62320P,FP 2 Ratings Unit V –0.3 to 7.0 V –0 +0 –0 +0 1220(P) / 980(FP) mW °C - °C -40 to 125 Limits Unit Typ Max mA 0 ...

Page 4

... SCL. TIMING CHART V IH SDA HD:STA SU:DAT V IH SCL LOW START Parameter HD:DAT t HIGH MITSUBISHI ELECTRIC M62320P,FP 8-BIT I/O EXPANDER for I C BUS Limits Min. 0 4.7 4.0 4.7 4.0 4.7 0 250 - - 4 SU:STA SU:STO START STOP 2/20,1998(rev Unit Max. 100 KHz - µ ...

Page 5

... Power on reset When power is turned on, each latch is reset and then the parallel data I/O terminals become hi-impedance (input mode). 8-BIT I/O EXPANDER for I C BUS MITSUBISHI ELECTRIC M62320P, They are set at the next 0 7 2/20,1998(rev ...

Page 6

... While SCL level is high, SDA level should be changed from low to high. A I/O SETTING A 8BIT DATA 2 A 8BIT DATA A 8BIT DATA Last LSB A1 A0 Last LSB Last LSB MITSUBISHI ELECTRIC M62320P,FP 8-BIT I/O EXPANDER for I C BUS 8BIT A 8BIT DATA A DATA A 8BIT DATA A • Chip select data MSB LSB CS2 ...

Page 7

... data latch MITSUBISHI ELECTRIC M62320P,FP 8-BIT I/O EXPANDER for I C BUS 2 Transmission from a master (MCU etc.) Transmission from a slave (M62320) DATA ...

Page 8

... data latch MITSUBISHI ELECTRIC MITSUBISHI < STD. LINEAR ICs > M62320P,FP 8-BIT I/O EXPANDER for I C BUS DATA ...

Page 9

... I C Standard Specification as defined by Philips. • Mitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury,fire or property damage ...

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