RL78/G13 CHAPTER 12 SERIAL ARRAY UNIT
R01UH0146EJ0100 Rev.1.00 656
Sep 22, 2011
(3) Processing flow
Figure 12-89. Timing Chart of UART Reception
SSmn
SEmn
SDRmn
RxDq pin
Shift
register mn
INTSRq
TSFmn
P
ST ST
P
ST
P
STmn
SP
SP
SP
Data reception (7-bit length)
Data reception (7-bit length)
Data reception (7-bit length)
Receive data 1
Receive data 2
Receive data 3
Receive data 2
Receive data 1
Shift operation
Shift operation
Shift operation
Receive data 3
Remark m: Unit number (m = 0, 1), n: Channel number (n = 1, 3), mn = 01, 03, 11, 13
r: Channel number (r = n − 1), q: UART number (q = 0 to 3)