TDA9332H/N2 데이터 시트보기 (PDF) - Philips Electronics
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TDA9332H/N2 Datasheet PDF : 56 Pages
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Philips Semiconductors
I2C-bus controlled TV display processors
Preliminary specification
TDA933xH series
Table 15 Cathode drive level (15 steps; 3.6 V/step)
CL3 CL2 CL1 CL0
0000
1000
1111
SETTING OF CATHODE
DRIVE AMPLITUDE(1)
41 V (b-w)
70 V (b-w)
95 V (b-w)
Note
1. The given values are valid for the following conditions:
a) Nominal CVBS input signal.
b) Settings for contrast and white point nominal.
c) Black and blue stretch switched off.
d) Gain of output stage such that no clipping occurs.
e) Beam current limiting not active.
f) Gamma of picture tube is 2.25.
g) The tolerance on these values is approximately
±3 V.
Table 16 RGB blanking mode
HBL
0
1
MODE
normal blanking (horizontal flyback)
wide blanking
Table 17 Picture tube discharge time
TFBC
0
1
MODE
18.6 ms
25 ms
Note
1. See Chapter “Characteristics”; Fig.15
Table 18 Gain of luminance channel
GAI
MODE
0
normal gain [V28 = 1 V (b-w)]
1
high gain [V28 = 0.45 V (p-p)]
Table 19 Standby
STB0
0
0
1
1
STB1
0
1
0
1
CONDITION
horizontal drive off
no action
no action
horizontal drive on
Table 20 Position of wide blanking (14 steps; 1fH mode
0.29 µs/step; 2fH mode 0.145 µs/step)
HB3
0
0
1
HB2
0
1
1
HB1
0
1
1
HB0
0
1
−
TIMING OF BLANKING(1)
1fH MODE
−2.03 µs
0 µs
2.03 µs
2fH MODE
−1.015 µs
0 µs
1.015 µs
Note
1. See Chapter “Characteristics”; note 13.
Table 21 Horizontal free-running frequency in TV mode
HDTV CDTV
0
0
0
1
1
−
FREQUENCY
1fH MODE
15.7 kHz
14.25 kHz
16.9 kHz
2fH MODE
31.4 kHz
28.5 kHz
33.8 kHz
Table 22 Vertical scan reference in 2fH TV mode
VSR
0
1
VERTICAL SCAN REFERENCE
end of VD pulse
start of VD pulse
Table 23 Time constant phase-1 loop
FAST
0
1
TIME CONSTANT
normal
increased by 30%
Table 24 Synchronization mode
POC
0
1
MODE
synchronization active
synchronization not active
Table 25 Overvoltage input mode
PRD
0
1
OVERVOLTAGE MODE
detection mode
protection mode
2002 Jun 04
13
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