M16C6K9 Datasheet, PDF (196/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
MULTI-MASTER I²C-BUS Interface
I²Control register 2
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
S4Di(i=0,1,2)
Address
032716,033716,031716
When reset
000000002
Bit symbol
Bit name
TOE
Timeout detection function
enable bit
TOF
Timeout detection flag
TOSEL ^{Timeout detection time selection bit}
Function
0 : Disable
1 : Enable
0 : Not detected
1 : Detected
0 : Long time
1 : Short time
RW
Nothing is assigned.
Can not be written in the value is "0"
SCPIN
STOP condition detection interrupt
request bit
0 : No interrupt request
1 : Interrupt request
Fig.GC-13 I²C control register 2
•Bit7: STOP condition detection interrupt request bit (SCPIN)
The bit monitors the stop condition detection interrupt. The bit becomes to “1” when I²C-BUS interface
interrupt is generated by the detecting of STOP condition. Writing “0” clears the bit and “1” can not be written.
Rev.1.00 Jun 06, 2003 page 196 of 290