1. S3C1840 S3C1840 DESCRIPTION S3C1840, a 4-bit .
Samsung semiconductor
S3C1850 - 4-bit single-chip CMOS microcontroller
1. S3C1840 S3C1840 DESCRIPTION S3C1840, a 4-bit single-chip CMOS microcontroller, consists of the reliable SMCS-51 CPU core with on-chip ROM and RAM.