Figure 10.1 Sci1 Block Diagram - Renesas H8/3847R Series Hardware Manual

8-bit single-chip microcomputer super low power

Table of Contents

2. Block Diagram

Figure 10.1 shows a block diagram of SCI1.

Serial control register 1

SCSR1: Serial control status register 1

Serial data register U

Serial data register L

Serial 1 interrupt request flag

Transmit/receive

control circuit

Figure 10.1 SCI1 Block Diagram

Section 10 Serial Communication Interface

Transfer bit counter

Rev. 6.00 Aug 04, 2006 page 333 of 680

REJ09B0145-0600