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參數(shù)資料
| 型號(hào)： | TDA9614H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 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(yè)數(shù)： | 15/60頁(yè) |
| 文件大?。?/td> | 570K |
| 代理商： | TDA9614H |
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1995 Mar 21
15
Philips Semiconductors
Preliminary specification
Audio processor for VHS hi-fi
and linear audio
TDA9614H
6.6
Control byte
Table 7
Bits of control byte
Table 8
Bits RAF and IPAF
Notes
1.
The RAF bit can be overruled externally by applying a low-ohmic voltage to the RAF I/O (pin 12) either logic 0 or
logic 1 (0 or +5 V). The actual mode of the IC is determined by the level measured at this pin, enabling fast switching
between record and playback/loop-through.
The two record modes are equal, only differing in their reaction to forcing RAF LOW at the RAF I/O pin; the status of
the IPAF bit determines whether the IC is switched to the playback or loop-through mode.
2.
Table 9
Bit AFOM
Note
1.
Audio coming from the audio FM circuit is muted, either the signal from tape in playback or the loop-through signal
in record or loop-through modes.
Table 10
Bit NTSC
BIT
DESCRIPTION
RAF
IPAF
AFOM
NTSC
RN
IPN
NOM
LP
Record Audio FM; see Table 8
Inverse Playback Audio FM; see Table 8
Audio FM Output Mute; see Table 9
NTSC; television standard; see Table 10
Record Normal; see Table 11
Inverse Playback Normal; see Table 11
Normal Output Mute; see Table 12
Long Play mode; see Table 13
RAF
(1)
IPAF
MODE
DESCRIPTION
0
0
1
1
0
1
0
1
playback
loop-through
record
(2)
record
(2)
NR and modem in playback mode
NR in record mode; modem not active [por]
NR and modem in record mode
NR and modem in record mode
AFOM
MODE
DESCRIPTION
0
1
mute
(1)
output from audio FM (NR) circuit is muted [por]
NTSC
MODE
DESCRIPTION
0
1
PAL
NTSC
modem and BPF set to PAL carrier frequencies [por]
modem and BPF set to NTSC carrier frequencies
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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(chēng):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(chēng):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(chēng):NXP Semiconductors 功能描述:VIF-PLL demodulator and FM-PLL detector |
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