參數(shù)資料
型號(hào): SDA5250-2
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, PQCC84
文件頁數(shù): 67/143頁
文件大小: 1050K
代理商: SDA5250-2
SDA 525x
Semiconductor Group
67
1998-04-08
Teletext Sync Interrupt Request Register TTXSIR
Teletext Sync Interrupt
Request Register
Default after reset: 00
H
(MSB)
TTXSIR
SFR-Address C8
H
(LSB)
DHIRST
VSY
HSY
PCLK
DVIREN
DVIRST
DHIREN
VSY, HSY, PCLK
These bits are no interrupt bits. They are described in
Chapter “Display Special Function Registers” on
page 24
.
DVIREN
Enables or disables the display vertical sync interrupt request.
If DVIREN = 1, this interrupt will be enabled.
DVIRST
Display vertical sync interrupt request flag. Set by the rising
edge of the display vertical sync pulse. Must be cleared by
software.
DHIREN
Enables or disables the display horizontal sync interrupt
request.
If DHIREN = 1, this interrupt will be enabled.
DHIRST
Display horizontal sync interrupt request flag. Set by the rising
edge of the display horizontal sync pulse. Must be cleared by
software.
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