h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 543
h8s-2169
Manufacturer Part Number
h8s-2169
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2169.pdf
(1075 pages)
- Current page: 543 of 1075
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IRTR flag setting is performed when the TDRE or RDRF flag is set to 1. IRTR is cleared by
reading IRTR after it has been set to 1, then writing 0 in IRTR. IRTR is also cleared automatically
when the IRIC flag is cleared to 0.
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
Description
Waiting for transfer, or transfer in progress
[Clearing conditions]
1. When 0 is written in IRTR after reading IRTR = 1
2. When the IRIC flag is cleared to 0
Continuous transfer state
[Setting condition]
Description
Second slave address not recognized
[Clearing conditions]
1. When 0 is written in AASX after reading AASX = 1
2. When a start condition is detected
3. In master mode
Second slave address recognized
[Setting condition]
When the second slave address is detected in slave receive mode while FSX = 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
2
C bus interface slave mode
Rev. 3.00 Jan 18, 2006 page 515 of 1044
2
C bus format slave receive mode,
Section 16 I
REJ09B0280-0300
2
C Bus Interface
(Initial value)
(Initial value)
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