saa5547ps NXP Semiconductors, saa5547ps Datasheet - Page 26

• Manufacturer Part Number: saa5547ps
• Description: Saa550x; Saa554x Tv Microcontrollers With Closed Captioning Cc And On-screen Display Osd
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Notes
1. This flag is set by software and reset by hardware.
2. Valid range TXT mode 0 to 24.
3. Valid range TXT mode 0 to 39.
4. Only valid when VIDEO SIGNAL QUALITY is set.
5. Must be set to 55H to disable Watchdog Timer when active.
2000 Feb 23
CC ON
I
CC/TXT
Text Register 22 (TXT22)
GPF7 to GPF5
GPF4
GPF3
GPF2
GPF1 and GPF0
Watchdog Timer (WDT)
WDV7 to WDV0
Watchdog Timer Key (WDTKEY)
WKEY7 to WKEY0
XRAMP
XRAMP7 to XRAMP0
2
C PORT 0
TV microcontrollers with Closed Captioning (CC)
and On-Screen Display (OSD)
BIT
(5)
closed caption acquisition on (logic 1)
enable I
display configured for CC mode (logic 1)
general purpose register, bits defined by mask programmable bits
reserved
PWM0, PWM1, PWM2 and PWM3 output on Port 2.1 to Port 2.4 respectively
(logic 1)
enable closed caption acquisition (logic 1)
reserved
Watchdog Timer period
Watchdog Timer Key value
internal RAM access upper byte address
2
C-bus Port 0 selection (P1.7/SDA0 and P1.6/SCL0) (logic 1)
26
FUNCTION
Preliminary specification
SAA55xx