Renesas rl78 User Manual
RL78/G1A
CHAPTER 12 SERIAL ARRAY UNIT
R01UH0305EJ0200 Rev.2.00
520
Jul 04, 2013
(3) Processing flow
Figure 12-87. Timing Chart of UART Reception
SSmn
SEmn
SDRmn
RxDq pin
INTSRq
TSFmn
P
ST
ST
P
ST
P
STmn
SP
SP
SP
Shift
register mn
Receive data 1
Receive data 1
Receive data 2
Receive data 2
Receive data 3
Receive data 3
Shift operation
Shift operation
Shift operation
Data reception
Data reception
Data reception
Remark m: Unit number (m = 0, 1), n: Channel number (n = 1, 3), mn = 01, 03, 11
r: Channel number (r = n
− 1), q: UART number (q = 0 to 2)
<R>