Renesas H8 Series Hardware Manual

Section 10 Serial Communication Interface
Rev. 7.00 Mar 10, 2005 page 359 of 652
REJ09B0042-0700
RDR
RSR (reception in progress)
RDRF = 0
RXD
32
pin
RDR
RSR↑ (reception completed, transfer)
RDRF ← 1
(RXI request when RIE = 1)
RXD
32
pin
Figure 10.2(a) RDRF Setting and RXI Interrupt
TDR (next transmit data)
TSR (transmission in progress)
TDRE = 0
TXD
32
pin
TDR
TSR (transmission completed, transfer)
TDRE ← 1
(TXI request when TIE = 1)
TXD
32
pin
↓
Figure 10.2(b) TDRE Setting and TXI Interrupt
TDR
TSR (transmission in progress)
TEND = 0
TXD
32
pin
TDR
TSR (reception completed)
TEND ← 1
(TEI request when TEIE = 1)
TXD
32
pin
Figure 10.2(c) TEND Setting and TEI Interrupt

Renesas H8 Series Specifications

General

Brand	Renesas
Model	H8 Series
Category	Computer Hardware
Language	English