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參數(shù)資料
| 型號： | TDA9614H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Audio processor for VHS hi-fi and linear audio(應(yīng)用于VHS高保真和線性音頻的音頻處理器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁數(shù)： | 26/60頁 |
| 文件大小： | 570K |
| 代理商： | TDA9614H |
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1995 Mar 21
26
Philips Semiconductors
Preliminary specification
Audio processor for VHS hi-fi
and linear audio
TDA9614H
6.12
Test byte
Table 33
Bits of test byte
Table 34
Bit STBY
Note
1.
When STBY = 1 the IC is partly switched off to minimize its power consumption. The I
2
C-bus and the direct
connections between inputs and outputs (selectable with bits: LOS1, LOS0, DOS1 and DOS0) are still operable in
standby mode.
Table 35
Bit CALS
Note
1.
When CALS is made logic 1 after being logic 0 the IC performs an automatic frequency calibration of the modem
CCOs and the built-in bandpass filters (BPFs). During calibration, the IC should be in record or loop-through mode.
The calibration takes <500 ms and uses the HID input (25 Hz in PAL mode or 30 Hz in NTSC mode) as the reference
frequency. The bit CALR (see Section 6.13) can be read to check if the calibration has been completed successfully.
Table 36
Bit AGCN; note 1
Note
1.
With bit AGCN the linear audio record AGC can be switched (off and on).
BIT
DESCRIPTION
STBY
CALS
AGCN
TST4 to TST0
Standby; see Table 34
Calibration Start; see Table 35
AGC Not; see Table 36
Test 4 to Test 0; see Table 37
STBY
MODE
DESCRIPTION
0
1
standby
(1)
normal operation [por]
standby mode (low power consumption)
CALS
MODE
DESCRIPTION
0
1
auto-calibrate
(1)
[por]
oscillators and BPFs are automatically calibrated
AGCN
MODE
DESCRIPTION
0
1
AGC on
AGC off
linear audio record; AGC active [por]
linear audio record; AGC inactive
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TDA9615 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Audio processor for VHS hi-fi |
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| TDA9725 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Y/C automatic adjustment processor VHS standard |
| TDA9800 | 制造商:NXP Semiconductors 功能描述:Video/TV Circuit, TV Video Receiver Circuit, 20 Pin, Plastic, DIP |
| TDA9800T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:VIF-PLL demodulator and FM-PLL detector |
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