參數(shù)資料
型號(hào): SAA5500PS/NNNN
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
封裝: 0.600 INCH, PLASTIC, SDIP-52
文件頁(yè)數(shù): 20/80頁(yè)
文件大?。?/td> 340K
代理商: SAA5500PS/NNNN
1999 Oct 27
27
Philips Semiconductors
Preliminary specication
Standard TV microcontrollers with
On-Screen Display (OSD)
SAA55xx
Notes
1. This flag is set by software and reset by hardware.
2. This flag is set by hardware and must be reset by software.
3. Valid range TXT mode 0 to 24.
4. Valid range TXT mode 0 to 39.
5. Must be set to 55H to disable Watchdog Timer when active.
Watchdog Timer Key (WDTKEY)
WKEY7 to WKEY0(5)
Watchdog Timer Key
Wide Screen Signalling 1 (WSS1)
WSS<3:0> ERROR
error in WSS<3:0> (logic 1)
WSS3 to WSS0
signalling bits to dene aspect ratio (group 1)
Wide Screen Signalling 2 (WSS2)
WSS<7:4> ERROR
error in WSS<7:4> (logic 1)
WSS7 to WSS4
signalling bits to dene enhanced services (group 2)
Wide Screen Signalling 3 (WSS3)
WSS<13:11> ERROR
error in WSS<13:11> (logic 1)
WSS13 to WSS11
signalling bits to dene reserved elements (group 4)
WSS<10:8> ERROR
error in WSS<10:8> (logic 1)
WSS10 to WSS8
signalling bits to dene subtitles (group 3)
XRAMP
XRAMP7 to XRAMP0
internal RAM access upper byte address
BIT
FUNCTION
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