p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 425

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Bit
1
Bit Name
ADZ
Initial
Value
0
R/W
R/(W)* General Call Address Recognition Flag
Description
In I
the first frame following a start condition is the general call
address (H'00).
[Setting condition]
When the general call address (one frame including a R/W
bit is H'00) is detected in slave receive mode and FS = 0 or
FSX = 0
[Clearing conditions]
•
•
•
If a general call address is detected while FS=1 and FSX=0,
the ADZ flag is set to 1; however, the general call address is
not recognized (AAS flag is not set to 1).
2
When ICDR is written to (transmit mode) or read from
(receive mode)
When 0 is written in ADZ after reading ADZ = 1
In master mode
C bus format slave receive mode, this flag is set to 1 if
Rev. 1.00 Sep. 21, 2006 Page 387 of 658
Section 16 I
2
C Bus Interface (IIC)
REJ09B0310-0100