M306H7MG-XXXFP Datasheet, PDF (119/329 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

M306H7MG-XXXFP/MC-XXXFP/FGFP
10. SERIAL I/O
Table 10.11 Registers to Be Used and Settings in I2C Mode (2) (Continued)
Register
Bit
UiSMR4 STAREQ
RSTAREQ
STPREQ
STSPSEL
ACKD
ACKC
SCLHI
SWC9
IFSR2A IFSR26, ISFR27
UCON U0IRS, U1IRS
2 to 7
Function
Master
Slave
Set this bit to “1” to generate start
Set to “0”
condition
Set this bit to “1” to generate restart
Set to “0”
condition
Set this bit to “1” to generate stop
Set to “0”
condition
Set this bit to “1” to output each condition Set to “0”
Select ACK or NACK
Select ACK or NACK
Set this bit to “1” to output ACK data
Set this bit to “1” to output ACK data
Set this bit to “1” to have SCLi output
Set to “0”
stopped when stop condition is detected
Set to “0”
Set this bit to “1” to set the SCLi to “L”
hold at the next falling edge of the 9th bit
of clock
Set to “1”
Set to “1”
Invalid
Invalid
Set to “0”
Set to “0”
i=0 to 2
Rev.2.10 Oct 25, 2006 Page 119 of 326
REJ03B0152-0210