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参数资料
| 型号： | M34238MK-XXXGP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20 |
| 封装： | PLASTIC, SOP-20 |
| 文件页数： | 12/41页 |
| 文件大小： | 243K |
| 代理商： | M34238MK-XXXGP |
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MITSUBISHI MICROCOMPUTERS
4238 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
1
MITSUBISHI MICROCOMPUTERS
4238 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
PIN CONFIGURATION (TOP VIEW)
Outline 20P2N-A
1
VSS
VDD
→
CNVSS
→ CARR
→
RESET
→ D0
→
XIN
→ D1
←
XOUT
→ D2
E
→ D3
G0
→ D4
G1
→ D5
G2
→ D6
G3
→ D7
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
M34238MK
-XXXGP
Reset input
Clock input
Clock output
I/O port E
I/O port G
Carrier wave
output port
CARR
Output port D
DESCRIPTION
The M34238MK-XXXGP is a single-chip 4-bit microcomputer de-
signed with CMOS technology for remote control transmitters. It is
housed in a 20-pin plastic molded SOP.
The M34238MK-XXXGP has 6 carrier waves and enables fabrica-
tion of 8
× 5 key matrix.
FEATURES
Number of basic instructions ..................................................... 59
Memory sizes
ROM .............................................................. 768 words
× 9 bits
RAM ................................................................ 32 words
× 4 bits
Minimum instruction execution time...................................... 8.0s
(at 4.0MHz system clock frequency)
Instruction clock switch function
(f(XIN)/32, f(XIN)/4)
Carrier wave output function (Port CARR)
Carrier wave frequency switch function
at f(XIN)/32 selected: f(XIN)/8, f(XIN)/64, f(XIN)/96
at f(XIN)/4 selected: f(XIN), f(XIN)/8, f(XIN)/12
Machine cycle count function
(64 machine cycles/1024 machine cycles)
Logic operation function
Subroutine nesting ............................................................ 4 levels
I/O ports (Ports E, G0–G3) ......................................................... 5
Output port (Ports D0–D7) ............................................................8
Built-in key-on wakeup function (Ports E, G0–G3) ...................... 5
RAM retention function
Watchdog timer
Oscillation circuit
ceramic resonance or external clock can be selected
APPLICATION
Various remote control transmitters
Note: The former (pages 1 to 30) is the description of the M34238MK-XXXGP, the latter is
the description of the M34238EK-XXXGP (pages 31 to 42) in this data sheet.
相关PDF资料 |
PDF描述 |
|---|---|
| M34250E2-XXXFP | 4-BIT, OTPROM, 4.4 MHz, MICROCONTROLLER, PDSO20 |
| M34250M2-XXXFP | 4-BIT, MROM, 4.4 MHz, MICROCONTROLLER, PDSO20 |
| M34250M2-XXXFP | 4-BIT, MROM, 4.4 MHz, MICROCONTROLLER, PDSO20 |
| M34280M1-XXXFP | 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20 |
| M34280M1-XXXGP | 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M3424 SL001 | 制造商:Alpha Wire Company 功能描述:CBL 6PR 24AWG SLT 1000' |
| M3424 SL002 | 制造商:Alpha Wire Company 功能描述:CBL 6PR 24AWG SLT 500' |
| M3424 SL005 | 制造商:Alpha Wire Company 功能描述:CBL 6PR 24AWG SLT 100' |
| M3424-0003 | 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING TRANSISTOR |
| M3424-SL002 | 制造商:Alpha Wire 功能描述: |
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