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M66014FP Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor

Part No. M66014FP
Description  16-BIT SERIAL BUS CONTROLLER
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Maker  MITSUBISHI [Mitsubishi Electric Semiconductor]
Homepage  http://www.mitsubishichips.com
Logo MITSUBISHI - Mitsubishi Electric Semiconductor

M66014FP Datasheet(HTML) 1 Page - Mitsubishi Electric Semiconductor

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MITSUBISHI
〈DIGITAL ASSP〉
M66014FP
16-BIT SERIAL BUS CONTROLLER
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
MITSUBISHI
〈DIGITAL ASSP〉
M66014FP
16-BIT SERIAL BUS CONTROLLER
DESCRIPTION
M66014 Semiconductor Integrated Circuit is a serial bus con-
troller. It converts 2-byte parallel data that arrives from micro-
computer into serial and outputs it to serial bus. It also
converts serial data input from serial bus into parallel and out-
puts it to microcomputer.
The M66014 is used for the extension of microcomputer I/O
ports and two-way communication with peripheral equipment
connected with serial buses.
FEATURES
• Compatible with general-purpose 8-bit microprocessor bus-
ses
• TTL level input (one microcomputer side)
• Interrupt output
• Schmitt input (RESET, CS, SIN)
• Pin arrangement is fully compatible with M66011FP
• Low power dissipation
• Wide operating temperature range (Ta = –20 to 75˚C)
APPLICATION
Microcomputer I/O port extension, etc.
PIN CONFIGURATION (TOP VIEW)
BLOCK DIAGRAM
21
A1
22
A0
1
RESET
3
CS
2
WR
23
RD
15
CLOCK INPUT
14
CLOCK OUTPUT
4
5
6
7
8
9
10
11
D0
D1
D2
D3
D4
D5
D6
D7
DATA BUS
20 SCLK
16 INT
17 OE
19 SOUT
18 SIN
Xin
Xout
RESET INPUT
CHIP SELECT INPUT
WRITE INPUT
READ INPUT
Shift register for lower
byte serial output (8 bits)
Shift register for upper
byte serial output (8 bits)
Read
register
Timing
control
circuit
Oscillation
circuit
Shift register for serial
input (16 bit)
8
8
8
8
CLK
SRL
SRU
CLK, LOAD
CLK, LOAD
SHIFT CLOCK OUTPUT
INTERRUPT OUTPUT
OUTPUT ENABLE OUTPUT
SERIAL DATA OUTPUT
SERIAL DATA INPUT
X8
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
RESET
WR
CS
D0
D1
D2
D3
D4
D5
D6
D7
GND
VCC
RD
A0
A1
SCLK
SOUT
SIN
OE
INT
Xin
Xout
VCC
Outline 24P2N-B
RESET INPUT
WRITE INPUT
CHIP SELECT
INPUT
DATA BUS
READ INPUT
ADDRESS INPUT
SHIFT CLOCK OUTPUT
SERIAL DATA OUTPUT
SERIAL DATA INPUT
OUTPUT ENABLE OUTPUT
INTERRUPT OUTPUT
CLOCK INPUT
CLOCK OUTPUT


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