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M16C/5L Group, M16C/56 Group
(1) Slave mode
STSPSEL bit
BBS bit
(2) Master mode (when CKPH is 1)
STAREQ bit
STPREQ bit
STSPSEL bit
BBS bit
STAREQ, STPREQ, STSPSEL: Bits in the U2SMR4 register
BBS: Bit in the U2SMR register
Note:
1. Set to 0 or 1 by a program.
Figure 21.17 STSPSEL Bit Functions
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
(1)
0
SCL
SDA
Start condition detection
interrupt request generated
(1)
(1)
(1)
SCL
SDA
Start condition generation
interrupt request generated
1
2
3
7
D7
D6
D1
D5
1
2
3
7
D7
D6
D1
D5
21. Serial Interface UARTi (i = 0 to 4)
8
9
ACK/
D0
NACK
Stop condition detection
interrupt request generated
8
9
ACK/
D0
NACK
Stop condition detection
interrupt request generated
Page 474 of 803
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