Block Diagram - Hitachi H8S/2199 Hardware Manual

Single-chip microcomputer

Table of Contents

Block Diagram

Figure 22.1 shows a block diagram of the SCI.

: Receive shift register 1

: Receive data register 1

: Transmit shift register 1

: Transmit data register 1

: Serial mode register 1

: Serial control register 1

: Serial status register 1

: Serial interface mode register 1

: Bit rate register 1

Module data bus

Transmission/

Parity generation

Parity check

Figure 22.1 Block Diagram of SCI

External clock

Rev. 1.0, 02/00, page 399 of 1141