Sci1 [Chip Internal Function]; Overview - Hitachi H8/3937 Series Hardware Manual

10.2

SCI1 [Chip Internal Function]

10.2.1

Overview

Serial communication interface 1 (SCI1) can carry out 8-bit or 16-bit serial data transfer in
synchronous mode. SCI1 is an internal function that performs interfacing to the FLEX™ decoder
incorporated in the chip. It cannot be connected to an IC outside the chip for data communication
use.
1. Features
Features of SCI1 are listed below.
• Choice of 8-bit or 16-bit transfer data length
• Choice of 8 internal clocks (ø/1024, ø/256, ø/64, ø/32, ø/16, ø/8, ø/4, or ø
• Interrupt request generated on completion of transfer
242
/4) as clock source
W