SH7280 Datasheet, PDF (969/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 19 I²C Bus Interface 3 (IIC3)
Initial
Bit
Bit Name Value R/W Description
5
RDRF
0
R/W Receive Data Full
[Clearing conditions]
• When 0 is written in RDRF after reading RDRF = 1
• When ICDRR is read
[Setting condition]
• When a receive data is transferred from ICDRS to
ICDRR
4
NACKF
0
R/W No Acknowledge Detection Flag
[Clearing condition]
• When 0 is written in NACKF after reading NACKF
=1
[Setting condition]
• When no acknowledge is detected from the receive
device in transmission while the ACKE bit in ICIER
is 1
3
STOP
0
R/W Stop Condition Detection Flag
[Clearing condition]
• When 0 is written in STOP after reading STOP = 1
[Setting conditions]
• In master mode, when a stop condition is detected
after frame transfer
• In slave mode, when the slave address in the first
byte after the general call and detecting start
condition matches the address set in SAR, and then
the stop condition is detected
Rev. 1.00 Jun. 26, 2008 Page 939 of 1692
REJ09B0393-0100