Description
The SD42C1008 is a microcomputer of the 4-bit single chip microcomputer SD42xx series which can match an 8-bit microcomputer in the data processing capability.
Features
- Memory mapped I/O Program memory : 8192 x 10bits Data memory : 512 x 4bits Instructions - Various bit manipulation - 8-bit data operation - 7-bit relative branch - 1 byte absolute call Instruction cycle times - Main ( XI = 4.19MHz ) . 15.3 us ( XI/64 = 65.5KHz ) . 1.91 us ( XI/8 = 524.0KHz ) . 0.95 us ( XI/4 = 1.05MHz ) - Sub ( XTI = 32.768KHz ) . 122 us ( XTI/4 = 8.19KHz ) 4 Register Bank General register : 8 x 4-bit respectively Accumulator - Bit Accumulator (CY), 4 bit Accumulator (A), 8 bit.
SD42P1008 Datasheet
