r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 681

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Bit
5
4
3
Bit Name
RDRF
NACKF
STOP
Initial
Value
0
0
0
R/W
R/W
R/W
R/W
Description
Receive Data Register Full
[Setting condition]
•
[Clearing conditions]
•
•
•
No Acknowledge Detection Flag*
[Setting condition]
•
[Clearing condition]
•
Stop Condition Detection Flag
[Setting conditions]
•
•
[Clearing condition]
•
When a receive data is transferred from ICDRS to
ICDRR
When 0 is written to RDRF after reading RDRF = 1
When ICDRR is read
DTC is activated by IIRXI interrupt and the DISEL
bit in MRB of DTC is 0.
When no acknowledge is detected from the receive
device in transmission while the ACKE bit in ICIER
is 1
When 0 is written to NACKF after reading NACKF
= 1
In master mode, when a stop condition is detected
after frame transfer
In slave mode, when a stop condition is detected
after the slave address in the first byte that came
following the detection of a start condition have
matched the address set in SAR.
When 0 is written to STOP after reading STOP = 1
Rev. 1.00 Sep. 21, 2007 Page 655 of 1124
Section 16 I
2
C Bus Interface 2 (I
REJ09B0402-0100
2
C2)