Description
for 24 PINS
Pin Name P0.0-P0.3 P1.0-P1.3 P2.0 REM
P2.2-P2.5 P2.1, P2.6 P3.0-P3.3 TEST XI XO VDD VSS
Pin Number 5, 6, 7, 8 9, 10, 11, 12 23
20, 19, 18, 17 21, 4 16, 15, 14, 13 22 2 3 24 1
Pin Type Input Input Output
Output
Description
4-bit input port when P2.13 is low 4-bit input port when P2.13
Features
- ROM Size.
- 1,024 bytes
RAM Size.
- 32 nibbles
Instruction Set.
- 39 instructions
Instruction Cycle Time.
- 13.2 µsec at fxx = 455 kHz
Input Ports.
- Two 4-bit ports (24 pins)/one 4-bit, Five1-bit
ports (20 pins)
Four Transmission Frequencies.
- fxx/12 (1/4 duty), fxx/12 (1/3 duty), fxx/8 (1/2
duty), and no-carrier frequency
Built-in Transistor for I. R. LED Drive.
- IOL1: 210 ma (typical) at VDD = 3V and
VO = 0.4V Supply Voltage.
- 1.8 V-3.
KS51850 Datasheet
