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Rev. 2.0, 11/00, page 957 of 1037
H'D0E3: Serial Control Status Register 2 SCSR2: 32-Byte Buffer SCI2
0
0
1
0
R/(W)
*
2
0
R/(W)
*
3
0
4
0
R/W
5
6
7
R/W
R/(W)
*
SOL
R/(W)
*
TEI
ORER
WT
ABT
STF
0
1
1
Note:
*
Only 0 can be written to clear the flag.
Transfer end interrupt request flag
0 [Clear conditions]
When 0 is written after reading 1
1 [Setting conditions]
When transmission or reception ends
Abort flag
0 [Clear conditions]
When 0 is written after reading 1
1 [Setting conditions]
When CS pin output level becomes high
during transfer
Overrun error flag
0 [Clear conditions]
When 0 is written after reading 1
1 [Setting conditions]
When extra pulse is over-applied to correct
transfer clock or clock input is generated after
transfer end, when using external clock
Wait flag
0 [Clear conditions]
When 0 is written after reading 1
1 [Setting conditions]
When read/write instruction to serial data
buffer (32-bit) is generated while transfer is in
progress or during CS input standby
Extension data bit
0 Read: SO2 pin output level is low
Write: SO2 pin output level is changed to low
1 Read: SO2 pin output level is high
Write: SO2 pin output level is changed to high
Start flag
0 Read: Transfer stops
Write: Transfer aborted and SCI2 initialized
1 Read: Transfer in progress, or CS input
standby
Write: Transfer starts
Bit :
Initial value :
R/W :
—
—
—
—
Содержание Hitachi H8S/2191
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