Renesas M16C/62P Series Hardware Manual page 223

M16C/62P Group (M16C/62P, M16C/62PT)
Table 17.12 Registers to Be Used and Settings in I
Register
UiSMR3 0, 2, 4 and NODC Set to "0"
CKPH
DL2 to DL0
UiSMR4 STAREQ
RSTAREQ
STPREQ
STSPSEL
ACKD
ACKC
SCLHI
SWC9
IFSR2A IFSR26, ISFR27
UCON U0IRS, U1IRS
2 to 7
i=0 to 2
Rev.2.41 Jan 10, 2006
REJ09B0185-0241
http://www.xinpian.net
Bit
See Table 17.13 I
Set the amount of SDAi digital delay
Set this bit to "1" to generate start
condition
Set this bit to "1" to generate restart
condition
Set this bit to "1" to generate stop
condition
Set this bit to "1" to output each condition Set to "0"
Select ACK or NACK
Set this bit to "1" to output ACK data
Set this bit to "1" to have SCLi output
stopped when stop condition is detected
Set to "0"
Set to "1"
Invalid
Set to "0"
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2
C Mode (2)
Function
Master
Set to "0"
2
C Mode Functions See Table 17.13 I
Set the amount of SDAi digital delay
Set to "0"
Set to "0"
Set to "0"
Select ACK or NACK
Set this bit to "1" to output ACK data
Set to "0"
Set this bit to "1" to set the SCLi to "L" hold
at the falling edge of the 9th bit of clock
Set to "1"
Invalid
Set to "0"
17. Serial Interface
Slave
2
C Mode Functions
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