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參數(shù)資料
| 型號(hào)： | S3P1860 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 4-bit single-chip CMOS microcontroller |
| 中文描述： | 4位單芯片CMOS微控制器 |
| 文件頁數(shù)： | 2/91頁 |
| 文件大?。?/td> | 331K |
| 代理商： | S3P1860 |
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S3C1840
1-1
DESCRIPTION
S3C1840, a 4-bit single-chip CMOS microcontroller, consists of the reliable SMCS-51 CPU core with on-chip
ROM and RAM. Eight input pins and 11 output pins provide the flexibility for various I/O requirements. Auto reset
circuit generates reset pulse every certain period, and every halt mode termination time. The S3C1840
microcontroller has been designed for use in small system control applications that require a low-power, cost -
sensitive design solution. In addition, the S3C1840 has been optimized for remote control transmitter.
FEATURES
ROM Size
1,024 bytes
RAM Size
32 nibbles
Instruction Set
39 instructions
Instruction Cycle Time
13.2
μ
sec at fxx = 455 kHz
Input Ports
Two 4-bit ports (24 pins)/one 4-bit port, one 2-bit
ports (20 pins)
Output Ports
One 4-bit port, seven 1-bit ports (24 pins)/one 4-
bit port, five1-bit ports (20 pins)
Built-in Oscillator
Crystal/ceramic resonator
Built-in Reset Circuit
Built-in Power-on reset and auto reset circuit for
generating reset pulse every 131072/fxx
(288
ms at fxx = 455 kHz)
Four Transmission Frequencies
fxx/12 (1/4 duty), fxx/12 (1/3 duty), fxx/8 (1/2
duty), and no-carrier frequency
Supply Voltage
1.8 V-3.6 V (250 kHz
≤
f
OSC
≤
3.9 MHz)
2.2 V-3.6 V (3.9 MHz < f
OSC
≤
6 MHz)
Power Consumption
Halt mode: 1
μ
A (maxium)
Normal mode: 0.5 mA (typical)
Operating temperature
– 20
°
C to 85
°
C
Package Type
24 SOP, 20 DIP, 20 SOP
Oscillator Frequency divide select
Mask Option: fxx = f
OSC
or f
OSC
/8
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