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M34280M1-289FP Datasheet

  • M34280M1-289FP

  • SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CON...

  • 505.20KB

  • 47頁

  • MITSUBISHI   MITSUBISHI

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MITSUBISHI MICROCOMPUTERS
4280 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
DESCRIPTION
The 4280 Group is a 4-bit single-chip microcomputer designed
with CMOS technology for remote control transmitters. The 4280
Group has 7 carrier waves and enables fabrication of 8
脳
7 key
matrix.
FEATURES
鈥?Number of basic instructions ............................................. 62
鈥?Minimum instruction execution time ............................ 8.0
碌
s
(at f(X
IN
) = 4.0 MHz, system clock = f(X
IN
)/8, V
DD
=3.0 V)
鈥?Supply voltage ................................................. 1.8 V to 3.6 V
鈥?Subroutine nesting ..................................................... 4 levels
鈥?Timer
Timer 1 ................................................................... 8-bit timer
with a reload register and carrier wave output auto-control
function
ROM (PROM) size
(脳 9 bits)
1024 words
1024 words
1024 words
1024 words
鈥?Carrier wave output function (port CARR)
f(X
IN
), f(X
IN
)/4, f(X
IN
)/8, f(X
IN
)/12
f(X
IN
)/64, f(X
IN
)/96, 鈥淗鈥?output fixed
鈥?Logic operation function (XOR, OR, AND)
鈥?RAM back-up function
鈥?Key-on wakeup function (ports D
7
, E
0
鈥揈
2
, G
0
鈥揋
3
) ............. 8
鈥?I/O port (ports D, E, G, CARR) .......................................... 16
鈥?Oscillation circuit ..................................... Ceramic resonance
鈥?Watchdog timer
鈥?Power-on reset circuit
鈥?Voltage drop detection circuit ......................... Typical:1.50 V
APPLICATION
Various remote control transmitters
Product
M34280M1-XXXFP
M34280M1-XXXGP
M34280E1FP
M34280E1GP
RAM size
(脳 4 bits)
32 words
32 words
32 words
32 words
Package
20P2N-A
20P2E/F-A
20P2N-A
20P2E/F-A
ROM type
Mask ROM
Mask ROM
One Time PROM
One Time PROM
PIN CONFIGURATION (TOP VIEW)
M34280M1-XXXFP/GP
V
SS
E
2
E
1
X
IN
X
OUT
E
0
G
0
G
1
G
2
G
3
1
2
20
19
V
DD
CARR
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
M34280M1-XXXFP/GP
3
4
5
6
7
8
9
10
18
17
16
15
14
13
12
11
Outline 20P2N-A
20P2E/F-A

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