參數(shù)資料
型號(hào): SDA5251-2
廠商: SIEMENS A G
元件分類: 圖文
英文描述: ICs for Consumer Electronics
中文描述: TELETEXT DECODER, PDIP52
文件頁數(shù): 19/143頁
文件大小: 1050K
代理商: SDA5251-2
SDA 525x
Semiconductor Group
19
1998-04-08
Acquisition-Sync-Interrupt-Register ACQSIR
Acquisition-Sync-Interrupt-
Register
Default after reset: 00
H
(MSB)
EVENEN EVENST LIN24EN LIN24ST
ACQSIR
SFR-Address C0
H
(LSB)
AVIREN
AVIRST
AHIREN AHIRST
AHIRST
1 = acquisition horizontal sync interrupt request. This bit is set
by the positive edge of HS. It must be reset by software.
AHIREN
1 = enable acquisition horizontal sync interrupt request.
AVIRST
1 = acquisition vertical sync interrupt request. This bit is set by
the positive edge of VS. It must be reset by software.
AVIREN
1 = enable acquisition vertical sync interrupt request.
LIN24ST
1 = acquisition line 24 interrupt request. Acquisition hardware
processing in VBI interval is finished. This bit assists the
synchronization of acquisition software to the ACQ-
Timing. It is set by hardware at the beginning of line 24
and the corresponding line of 2nd field. It is reset by
software.
LIN24EN
1 = enable acquisition line 24 interrupt request.
EVENST
1 = even field interrupt. Must be reset by software.
EVENEN
1 = enable even field interrupt requests.
Comments
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