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38C1 Datasheet

  • 38C1

  • SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

  • 1052.66KB

  • 59頁

  • MITSUBISHI   MITSUBISHI

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MITSUBISHI MICROCOMPUTERS
38C1 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 38C1 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 38C1 group has the LCD drive control circuit, an 8-channel A-
D converter, and serial I/O as additional functions.
The various microcomputers in the 38C1 group include variations
of internal memory size and packaging. For details, refer to the
section on part numbering.
鈥?/div>
LCD drive control circuit
Bias ............................................................................ 1/1, 1/2, 1/3
Duty ................................................................ Static, 1/2, 1/3, 1/4
Common output .......................................................................... 4
Segment output ......................................................................... 25
Main clock generating circuit ...................................................... 1
(connect to external ceramic resonator or built-in ring oscillator)
Sub clock generating circuit ........................................................ 1
(connect to external quartz-crystal oscillator)
Power source voltage
In high-speed mode (f(X
IN
)
鈮?/div>
8.0 MHz) ..................... 4.0 to 5.5 V
In middle-speed mode (Mask ROM version: f(X
IN
)
鈮?/div>
6.0 MHz)
.................................................................................... 1.8 to 5.5 V
In middle-speed mode (One Time PROM version: f(X
IN
)
鈮?/div>
6.0 MHz)
.................................................................................... 2.2 to 5.5 V
In low-speed mode (Mask ROM version) .................. 1.8 to 5.5 V
In low-speed mode (One Time PROM version) ........ 2.2 to 5.5 V
Power dissipation (Mask ROM version)
In high-speed mode (frequency divided by 2) ........... Typ. 15 mW
(V
CC
= 5 V, f(X
IN
) = 8 MHz , Ta = 25 擄C)
In low-speed mode ...................................................... Typ. 18
碌W
(V
CC
= 2.5 V, f(X
IN
) = stop , f(X
CIN
) = 32 kHz , Ta = 25 擄C)
Operating temperature range ................................... 鈥?20 to 85擄C
鈥?/div>
鈥?/div>
鈥?/div>
FEATURES
鈥?/div>
Basic machine-language instructions ....................................... 71
鈥?/div>
The minimum instruction execution time ............................ 0.5
碌s
(at 8 MHz oscillation frequency)
鈥?/div>
Memory size
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
ROM ................................................................ 16 K to 24 K bytes
RAM ................................................................... 384 to 512 bytes
Programmable input/output ports (Ports P2鈥揚6) ..................... 30
Segment output pin/Input port (Port P0) ....................................... 8
Software pull-up/pull-down resistor ....................... Ports P0, P2鈥揚6
Interrupts .................................................. 13 sources, 13 vectors
(includes key input interrupt)
Timers ........................................................... 8-bit
鉁?/div>
3, 16-bit
鉁?/div>
2
Serial I/O ...................................... 8-bit
鉁?/div>
1 (Clock-synchronous)
A-D converter .................................................. 8-bit
鉁?/div>
8 channels
(It can be used in the low-speed mode.)
鈥?/div>
鈥?/div>
APPLICATIONS
Household appliances, consumer electronics, etc.

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  • 英文版
    SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
    MITSUBISHI
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    MITSUBISHI ...

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