HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 409

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Figure 13.5 Sample Flowchart for Transmitting Serial Data
Write transmit data in TDR and
as an output port with the PFC
clear TDRE bit to 0 in SSR
Select theTxD pin function
Clear TE bit of SCR to 0;
Read TDRE bit in SSR
Read TEND bit in SSR
Output break signal?
All data transmitted?
Transmission ends
Start transmitting
TDRE = 1?
TEND = 1?
Set DR = 0
Initialize
Yes
Yes
Yes
Yes
Section 13 Serial Communication Interface (SCI)
Rev. 7.00 Jan 31, 2006 page 383 of 658
(3)
(4)
No
No
No
No
(1)
(2)
REJ09B0272-0700