h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 616
h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
(1547 pages)
- Current page: 616 of 1547
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Section 15 I
Table 15-3 Flags and Transfer States
Bit 0—Start Condition/Stop Condition Prohibit (SCP): Controls the issuing of start and stop
conditions in master mode. To issue a start condition, write 1 in BBSY and 0 in SCP. A retransmit
start condition is issued in the same way. To issue a stop condition, write 0 in BBSY and 0 in SCP.
This bit is always read as 1. If 1 is written, the data is not stored.
Rev. 6.00 Feb 22, 2005 page 556 of 1484
REJ09B0103-0600
MST TRS BBSY ESTP STOP IRTR AASX AL
1/0
1
1
1
1
0
0
0
0
0
0
0
0
Bit 0
SCP
0
1
1/0
1
1
1/0
1/0
0
0
0
0
1/0
1/0
1
1/0
Description
Writing 0 issues a start or stop condition, in combination with the BBSY flag
Reading always returns a value of 1
Writing is ignored
0
0
1
1
1
1
1
1
1
1
1
1
0
2
C Bus Interface [Option] (Only for the H8S/2638, H8S/2639, and H8S/2630)
0
0
0
0
0
0
0
0
0
0
0
0
1/0
0
0
0
0
0
0
0
0
0
0
0
0
1/0
0
0
1
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
1/0
0
0
1
0
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
AAS ADZ
0
0
0
0
0
1/0
1
1
0
0
0
0
0
0
0
0
0
0
1/0
0
1
0
0
0
0
0
ACKB State
0
0
0
0/1
0/1
0
0
0
0
0/1
0
1
0/1
Idle state (flag
clearing required)
Start condition
issuance
Start condition
established
Master mode wait
Master mode
transmit/receive end
Arbitration lost
SAR match by first
frame in slave mode
General call
address match
SARX match
Slave mode
transmit/receive end
(except after SARX
match)
Slave mode
transmit/receive end
(after SARX match)
Stop condition
detected
(Initial value)
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