HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 386

• Manufacturer Part Number: HD6417021
• Description: SuperH RISC engine
• Manufacturer: Hitachi Semiconductor

Note:
Circled numbers refer to the preceding procedure.
Figure 13.7 Sample Flowchart for Receiving Serial Data
No
No
and clear the SSR's RDRF bit to 0
Clear the RE bit of the SCR to 0
Read the RDRF bit of the SSR
Read the RDR's receive data
Read the ORER, PER, and
PER, FER, ORER = 1?
Total count received?
FER bits of the SSR
Reception ends
Start receiving
Initialization
RDRF = 1?
No
Yes
Yes
Yes
(1)
(3)
(4)
Error handling
(2)
HITACHI 373