SD6830 - AUK

SD6830 4-BIT MICROCONTROLLER

S control transmitter, consists of the optimized 4-bit CPU with ROM and a SD6830 is a remote at power-on reset, watchdog timer and carrier frequency generator. The RAM. It contains .D SD6830 provide a various carrier frequency for encoding output of key matrix and has w built-in w transistor to drive infrared LED. The SD6830 is supported with a software w de.

Features

• Number of basic instructions ------------------------------------- 45
• Instruction cycle time (one word instruction) At Fsys=480KHz ---------------------------------------- 16.67uS At Fsys=455kHz ---------------------------------------- 17.58uS
• Memory size ROM --------------------------------------------------- 1024 x 8 Bits RAM ------------------------------------------------------ 32 x 4 Bits
• Input ports (D0 ~ D3, E0 ~ E3 : with pull-up resistor)
• Output ports (C, G, K, F0 ~ F7)
• Carrier frequency generator Fsys/12 (1/2 duty), Fsys/12 (1/3 duty), Fsys/12 (1/4 duty), Fsys/8 (1/2 dut.