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.
Features
- ROM Size.
- 1,024 bytes Four Transmission Frequencies.
- fxx/12 (1/4 duty), fxx/12 (1/3 duty), fxx/8 (1/2 duty), and no-carrier frequency
RAM Size.
- 32 nibbles Supply Voltage.
- 1.8 V-3.6 V (250 kHz ≤ f OSC ≤ 3.9 MHz) 2.2 V-3.6 V (3.9 MHz < fOSC ≤ 6 MHz)
Instruction Set.
- 39 instructions
Power Consumption Instruction Cycle Time.
- 13.2 µsec at fxx = 455 kHz.
- Halt mode: 1 µA (maxium) Normal mode: 0.5 mA (typical)
Input Ports.