CMOS 4-BIT MICROCONTROLLER

CMOS 4-BIT MICROCONTROLLER The 47C1238/1638 are based on the TLCS0470A series. The 47C1238/1638 have on-screen display circuit (OSD) to display characters and marks which indicate channel or time on TV screen, A/D converter input, D/A converter output such as TV.

4-BIT MICROCONTROLLERS

Basic functions ● Instructions: maximum 105, minimum instruction execution time: 1.0μs ● ROM tabel look-up instruction ● 5-bit to 8-bit data conversion instruction ● Subroutine nesting: maximum 15 levels ● Interrupt sources: 2 external, 4 internal ● Interval timer ● Serial interface