r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 683

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

Note:
16.3.6
SAR is an 8-bit readable/writable register that selects the communications format and sets the
slave address. In slave mode with the I
upper seven bits of the first frame received after a start condition, this module operates as the slave
device.
Bit
0
Bit
7 to 1
0
*
I
2
Bit Name
ADZ
Bit Name
SVA[6:0]
FS
When NACKF = 1 is detected, be sure to clear NACKF in the transfer end processing.
Until the flag is cleared, next transmission or reception cannot be started.
C Bus Slave Address Register (SAR)
Initial value:
Initial
Value
0
R/W:
Initial
Value
All 0
0
Bit:
R/W
7
0
R/W
R/W
R/W
R/W
R/W
R/W
2
6
0
C bus format, if the upper seven bits of SAR match the
Description
General Call Address Recognition Flag
This bit is valid in slave receive mode with the I
format.
[Setting condition]
•
[Clearing condition]
•
Description
Slave Address 6 to 0
These bits set a unique address in bits SVA6 to SVA0,
differing form the addresses of other slave devices
connected to the I
Format Select
0: I
1: Clock synchronous serial format is selected
R/W
5
0
2
When the general call address is detected in slave
receive mode
When 0 is written to ADZ after reading ADZ=1
C bus format is selected
SVA[6:0]
R/W
4
0
R/W
3
0
Rev. 1.00 Sep. 21, 2007 Page 657 of 1124
R/W
2
C bus.
2
0
Section 16 I
R/W
1
0
R/W
FS
0
0
2
C Bus Interface 2 (I
REJ09B0402-0100
2
C bus
2
C2)