RL78/F13, F14 CHAPTER 15 SERIAL ARRAY UNIT
R01UH0368EJ0210 Rev.2.10 1010
Dec 10, 2015
15.9.4 Stop condition generation
After all data are transmitted to or received from the target slave, a stop condition is generated and the bus is released.
(1) Processing flow
Figure 15-153. Timing Chart of Stop Condition Generation
Note During a receive operation, the SOEmn bit of serial output enable register m (SOEm) is cleared to 0 before
receiving the last data.
Remark m: Unit number (m = 0, 1), n: Channel number (n = 0, 1), r: IIC number (r = 00, 01, 10, 11),
mn = 00, 01, 10, 11
Stop condition
STmn
SEmn
SOEmn
SCLr output
SDAr output
Operation
stop
SOmn
bit manipulation
CKOmn
bit manipulation
SOmn
bit manipulation
Note