M34282E2GP MITSUBISHI [Mitsubishi Electric Semiconductor], M34282E2GP Datasheet

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M34282E2GP

Manufacturer Part Number
M34282E2GP
Description
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheets

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Part Number:
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DESCRIPTION
The 4282 Group enables fabrication of 8
the followin timers;
• an 8-bit timer which can be used to set each carrier wave and
• an 8-bit timer which can be used to auto-control and has a
FEATURES
• Number of basic instructions ............................................. 68
• Minimum instruction execution time ............................ 8.0 s
• Supply voltage ................................................. 1.8 V to 3.6 V
• Subroutine nesting ..................................................... 4 levels
M34282M1-XXXGP
M34282M2-XXXGP
M34282E2GP
PIN CONFIGURATION (TOP VIEW)
has two reload register
reload register.
(at f(X
IN
) = 4.0 MHz, system clock = f(X
Product
X
V
X
O U T
G
G
G
G
E
E
E
S S
IN
3
1
0
0
1
2
2
ROM (PROM) size
1024 words
2048 words
2048 words
IN
( 9 bits)
7 key matrix and has
)/8)
10
1
2
3
4
5
6
7
8
9
Outline 20P2E/F-A
RAM size
48 words
64 words
64 words
( 4 bits)
• Timer
• Logic operation function (XOR, OR, AND)
• RAM back-up function
• Key-on wakeup function (ports D
• I/O port (ports D, E, G, CARR) .......................................... 16
• Oscillation circuit ..................................... Ceramic resonance
• Watchdog timer
• Power-on reset circuit
• Voltage drop detection circuit ......................... Typical:1.50 V
APPLICATION
Various remote control transmitters
Timer 1 ................................................................... 8-bit timer
(This has a reload register and carrier wave output auto-control
function)
Timer 2 ................................................................... 8-bit timer
(This has two reload registers and carrier wave output function)
(system reset)
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
20
1 9
18
17
1 6
15
1 4
1 3
1 2
1 1
MITSUBISHI MICROCOMPUTERS
20P2E/F-A
20P2E/F-A
20P2E/F-A
Package
V
CARR
D
D
D
D
D
D
D
D
4282 Group
DD
0
1
6
7
2
3
4
5
4
–D
7
, E
One Time PROM
0
–E
Mask ROM
Mask ROM
ROM type
2
, G
0
–G
3
) .... 11

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