HD64336901G Renesas Technology, HD64336901G Datasheet - Page 264

• Manufacturer Part Number: HD64336901G
• Description: (HD64xxx Series) 16-BIT MICROCONTROLLER
• Manufacturer: Renesas Technology

15.3.6
SAR selects the communication format and sets the slave address. When the chip is in slave mode
with the I
received after a start condition, the chip operates as the slave device.
Rev. 1.00, 11/03, page 236 of 376
Bit Bit Name
1
0
Bit
7 to 1 SVA6 to
0
AAS
ADZ
Bit Name Initial Value R/W Description
SVA0
FS
2
Slave Address Register (SAR)
C bus format, if the upper 7 bits of SAR match the upper 7 bits of the first frame
Initial Value R/W Description
0
0
All 0
0
R/W Slave Address Recognition Flag
R/W General Call Address Recognition Flag
R/W Slave Address 6 to 0
R/W Format Select
In slave receive mode, this flag is set to 1 if the first frame
following a start condition matches bits SVA6 to SVA0 in
SAR.
[Setting conditions]
[Clearing condition]
This bit is valid in I
[Setting condition]
[Clearing condition]
These bits set a unique address in bits SVA6 to SVA0,
differing form the addresses of other slave devices
connected to the I
0: I
1: Clocked synchronous serial format is selected.
2
When the slave address is detected in slave receive
mode
When the general call address is detected in slave
receive mode.
When 0 is written in AAS after reading AAS=1
When the general call address is detected in slave
receive mode
When 0 is written in ADZ after reading ADZ=1
C bus format is selected.
2
2
C bus.
C bus format slave receive mode.