TDA935x Philips, TDA935x Datasheet - Page 71

• Manufacturer Part Number: TDA935x
• Description: TV Signal Processor-Teletext Decoder with Embedded u-Controller
• Manufacturer: Philips

Philips Semiconductors
Table 83 X-ray detection
Table 84 Service blanking
Table 85 Adjustment V
Table 86 Enable vertical guard (RGB blanking)
Table 87 EHT tracking mode
Table 88 PLL demodulator frequency adjust
Table 89 Video mute
2001 Jan 18
IFA
TV signal processor-Teletext decoder with
embedded -Controller
HCO
VSW
EVG
XDT
SBL
AVG
0
0
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
IFB
0
0
1
1
0
1
protection mode, when a too high EHT is
detected the receiver is switched to stand-by
and the XPR-bit is set to 1
detection mode, the receiver is not switched
to stand-by and only the XPR-bit is set to 1
off
on
normal operation
V
byte 01 can be read)
not active
active
EHT tracking only on vertical
EHT tracking on vertical and EW
normal operation
IF-video signal switched off
g2
adjustment (WBC and HBC bits in output
IFC
0
1
0
1
0
0
SERVICE BLANKING MODE
VERTICAL GUARD MODE
58.75 MHz
45.75 MHz
38.90 MHz
38.00 MHz
33.40 MHz
33.90 MHz
TRACKING MODE
g2
voltage
STATE
MODE
MODE
IF FREQUENCY
71
Table 90 Modulation standard
Table 91 AFC window
Table 92 IF sensitivity
Table 93 Search tuning mode
Table 94 Selection external input for sound IF circuit
Table 95 Calibration of IF PLL demodulator
Table 96 IF AGC speed
Table 97 Fast filter IF-PLL
AGC1
MOD
AFW
IFLH
STM
IFS
SIF
FFI
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
1
TDA935X/6X/8X PS/N2 series
negative
positive
normal
enlarged
normal
reduced
normal operation
reduced sensitivity of video indent circuit
IF input not selected
IF input selected (see also table 1)
calibration system active
calibration system not active
AGC0
normal time constant
increased time constant
0
1
0
1
0.7
norm
3
6
norm
norm
IF SENSITIVITY
MODULATION
AFC WINDOW
norm
Tentative Device Specification
CONDITION
MODE
MODE
MODE
AGC SPEED