HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 852

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 16 I
Bit
1
0
16.3.6
SAR is an 8-bit readable/writable register that sets slave address. When the chip is in slave mode,
if the upper 7 bits of SAR match the upper 7 bits of the first frame received after a start condition,
the chip operates as the slave device.
Bit
7 to 1 SVA6 to
0
Rev.7.00 Mar. 18, 2009 page 784 of 1136
REJ09B0109-0700
Bit Name
AAS
ADZ
Bit Name
SVA0
⎯
Slave address register (SAR)
2
C Bus Interface 2 (IIC2) (Option)
Initial Value
Initial Value
All 0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
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 condition]
•
•
[Clearing condition]
•
This bit is valid in slave receive mode.
[Setting condition]
•
[Clearing conditions]
•
Description
Slave Address Recognition Flag
General Call Address Recognition Flag
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
Reserved
This bit is readable/writable. The write value must
always be 0.
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
2
C bus.