KS51850 Datasheet PDF Download, Samsung





(PDF) KS51850 Datasheet Download

Part Number KS51850
Description 4-bit single-chip CMOS microcontroller
Manufacture Samsung
Total Page 30 Pages
PDF Download Download KS51850 Datasheet PDF

Features: 2 KS51850 51850 OVERVIEW KS51850, a 4 -bit single-chip CMOS microcontroller, consists of the reliable SMCS-51 CPU co re with on-chip ROM and RAM. Eight inpu t pins and 11 output pins provide the f lexibility for various I/O requirements . Auto reset circuit generates reset pu lse every certain period, and every hal t mode termination time. The KS51850 mi crocontroller has been designed for use in small system control applications t hat require a low-power, cost sensitive design solution. In addition, the KS51 850 has been optimized for remote contr ol transmitter and has built-in Transis tor for I.R.LED drive. FEATURES ROM Si ze • 1,024 bytes RAM Size • 32 nibb les 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-bi t ports (20 pins) Four Transmission Fr equencies • fxx/12 (1/4 duty), fxx/12 (1/3 duty), fxx/8 (1/2 duty), and no-c arrier frequency Built-in Transistor for I.R.LED Drive • IOL1: 210 ma (typic.

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2 KS51850
51850
OVERVIEW
KS51850, 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 KS51850
microcontroller has been designed for use in small system control applications that require a low-power, cost -
sensitive design solution. In addition, the KS51850 has been optimized for remote control transmitter and has
built-in Transistor for I.R.LED drive.
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-3.6 V (250 kHz fOSC 3.9 MHz)
2.2 V-3.6 V (3.9 MHz < fOSC 6 MHz)
Power Consumption
Halt mode: 1 µA (maxium)
Normal mode: 0.5 mA (typical)
Output Ports
One 4-bit, Seven 1-bit ports (24pins)/One 4-bit,
Five 1-bit ports (20 pins)
Built-in Oscillator
Crystal/Ceramic resonator
Built-in Reset Circuit
Power-on reset and auto reset circuit for
generating reset pulse every 13.1072/fxx (288
ms at fxx = 455 kHz)
Operating temperature
- 20 °C to 85 °C
Package Type
24 SOP, 20 DIP, 20 SOP
Oscillator Frequency divide select
Mask Option = fxx fOSC or fOSC/8
2-1

                    
                    






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