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M34501E4FP Datasheet

  • M34501E4FP

  • SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

  • 113頁

  • MITSUBISHI   MITSUBISHI

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MITSUBISHI MICROCOMPUTERS
4501 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 4501 Group is a 4-bit single-chip microcomputer designed with
CMOS technology. Its CPU is that of the 4500 series using a
simple, high-speed instruction set. The computer is equipped with
two 8-bit timers (each timer has a reload register), interrupts, and
10-bit A-D converter.
The various microcomputers in the 4501 Group include variations
of the built-in memory size as shown in the table below.
FEATURES
qMinimum
instruction execution time ................................ 0.68
碌
s
(at 4.4 MHz oscillation frequency, in high-speed mode)
qSupply
voltage ......................................................... VRST to 5.5 V
(VRST: detection voltage of voltage drop detection circuit)
qTimers
Timer 1 ...................................... 8-bit timer with a reload register
Timer 2 ...................................... 8-bit timer with a reload register
qInterrupt
........................................................................ 4 sources
qKey-on
wakeup function pins ................................................... 12
qInput/Output
port ...................................................................... 14
qA-D
converter .................. 10-bit successive comparison method
qWatchdog
timer
qClock
generating circuit (ceramic resonator/RC oscillation)
qLED
drive directly enabled (port D)
qPower-on
reset circuit
qVoltage
drop detection circuit ........................... VRST: Typ. 3.5 V
(Ta = 25 擄C)
APPLICATION
Electrical household appliance, consumer electronic products, of-
fice automation equipment, etc.
ROM (PROM) size
(鉁?10 bits)
2048 words
4096 words
4096 words
RAM size
(鉁?4 bits)
128 words
256 words
256 words
Product
M34501M2-XXXFP
M34501M4-XXXFP
M34501E4FP (Note)
Package
20P2N-A
20P2N-A
20P2N-A
ROM type
Mask ROM
Mask ROM
One Time PROM
Note:
Shipped in blank.
PIN CONFIGURATION
V
DD
V
SS
X
IN
X
OUT
CNV
SS
RESET
P2
1
/A
IN1
P2
0
/A
IN0
D
3
/K
D
2
/C
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
P0
0
P0
1
P0
2
P0
3
P1
0
P1
1
P1
2
/CNTR
P1
3
/INT
D
0
D
1
Outline 20P2N-A
Pin configuration (top view) (4501 Group)
M34501Mx-XXXFP
M34501E4FP

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