h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 619

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Bit 4—Second Slave Address Recognition Flag (AASX): In I
this flag is set to 1 if the first frame following a start condition matches bits SVAX6 to SVAX0 in
SARX.
AASX is cleared by reading AASX after it has been set to 1, then writing 0 in AASX. AASX is
also cleared automatically when a start condition is detected.
Bit 5
IRTR
0
1
Bit 4
AASX
0
1
Section 15 I
Description
Waiting for transfer, or transfer in progress
[Clearing conditions]
Continuous transfer state
[Setting conditions]
Description
Second slave address not recognized
[Clearing conditions]
Second slave address recognized
[Setting condition]
When 0 is written in IRTR after reading IRTR = 1
When the IRIC flag is cleared to 0
In I
When the TDRE or RDRF flag is set to 1 when AASX = 1
In other modes
When the TDRE or RDRF flag is set to 1
When 0 is written in AASX after reading AASX = 1
When a start condition is detected
In master mode
When the second slave address is detected in slave receive mode and FSX = 0
2
C bus interface slave mode
2
C Bus Interface [Option] (Only for the H8S/2638, H8S/2639, and H8S/2630)
Rev. 6.00 Feb 22, 2005 page 559 of 1484
2
C bus format slave receive mode,
REJ09B0103-0600
(Initial value)
(Initial value)