h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 533

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

AAS is cleared by reading AAS after it has been set to 1, then writing 0 in AAS. In addition, AAS
is reset automatically by write access to ICDR in transmit mode, or read access to ICDR in receive
mode.
Bit 1—General Call Address Recognition Flag (ADZ): In I
this flag is set to 1 if the first frame following a start condition is the general call address (H'00).
ADZ is cleared by reading ADZ after it has been set to 1, then writing 0 in ADZ. In addition, ADZ
is reset automatically by write access to ICDR in transmit mode, or read access to ICDR in receive
mode.
Bit 2
AAS
0
1
Bit 1
ADZ
0
1
Description
General call address not recognized
[Clearing conditions]
1. When ICDR data is written (transmit mode) or read (receive mode)
2. When 0 is written in ADZ after reading ADZ = 1
3. In master mode
General call address recognized
[Setting condition]
When the general call address is detected in slave receive mode while FSX = 0 or FS
= 0
Description
Slave address or general call address not recognized
[Clearing conditions]
1. When ICDR data is written (transmit mode) or read (receive mode)
2. When 0 is written in AAS after reading AAS = 1
3. In master mode
Slave address or general call address recognized
[Setting condition]
When the slave address or general call address is detected in slave receive mode
while FS = 0
Section 16 I
Rev. 4.00 Jun 06, 2006 page 479 of 1004
2
C Bus Interface [H8S/2138 Group Option]
2
C bus format slave receive mode,
REJ09B0301-0400
(Initial value)
(Initial value)