RX610 Group
20. Serial Communications Interface (SCI)
R01UH0032EJ0120 Rev.1.20
Page 667 of 1006
Feb 20, 2013
Note that the SSR.TEND flag is set in different timings depending on the GM bit setting in SMR. Figure 20.26 shows the
TEND flag generation timing.
Ds
D0
D1
D2
D3
D4
D5
D6
D7
Dp
I/O data
12.5 etu (11.5 etu in block transfer mode)
SSR.TEND flag
(TX interrrupt)
11.0 etu
DE
Guard
time
When GM bit in SMR = 0
[Legend]
Ds:
Start bit
D0 to D7: Data bits
Dp:
Parity bit
DE:
Error signal
When GM bit in SMR = 1
Note:
*
For the corresponding interrupt vector number, see section 10, Interrupt Control Unit (ICU).
Figure 20.26 SSR.TEND Flag Generation Timing during Transmission