Hitachi H8/3827R Series Hardware Manual page 280

Table of Contents

RSR (reception in progress)

TDR (next transmit data)

TSR (transmission in progress)

TSR (transmission in progress)

Figure 10.2 (a) RDRF Setting and RXI Interrupt

Figure 10.2 (b) TDRE Setting and TXI Interrupt

Figure 10.2 (c) TEND Setting and TEI Interrupt

RSR↑ (reception completed, transfer)

(RXI request when RIE = 1)

TSR↓ (transmission completed, transfer)

(TXI request when TIE = 1)

TSR (reception completed)

(TEI request when TEIE = 1)