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| 型號： | MC44BS373CAEFR2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 15/52頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AUD/VID PAL MODULATOR 16-SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | NTSC/PAL 調(diào)制器 |
| 應(yīng)用： | 音頻/視頻，VCR，機頂盒 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC N |
| 包裝： | 剪切帶 (CT) |
| 其它名稱： | MC44BS373CAEFR2CT |
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MC44BS373CA Data Sheet
MC44BS373CA Modes of Operation
15 MC44BS373CA Modes of Operation
15.1 Power-On Settings
At power on, the MC44BS373CA is configured as shown in Table 25 below.
15.2 Power Supply
The three device VCC pins (pins 10, 13 and 15 for SO16 package, pins 10, 15 and 17 for QFN20 package)
must be applied at the same time to ensure all internal blocks are correctly biased. Do not bias any other pin
before VCC is applied to the MC44BS373CA.
When all VCCs are switched to 0 V, the SDA and SCL pins are high impedance.
15.3 Standby Mode
During standby mode, the modulator is switched to low power consumption. That is, the sound oscillator,
UHF oscillator, and the video and sound modulator sections’ bias are internally turned off. The I2C bus
section remains active.
The MC44BS373CA can be set to standby mode with a combination of 3 bits: OSC = 1, SO = 1, and ATT = 1.
15.4 System L or B / G Selection
The SYSL pin can be used to switch the device between system L and system B/G, as summarized in
Table 25. Power-On Settings
WRITE MODE
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ACK
C1-High order bits
10000000
ACK
C0-Low order bits
00001000
ACK
FM-High order bits
0
N11
N10
N9
N8
N7
N6
ACK
FL-Low order bits
N5
N4
N3
N2
N1
N0
0
ACK
Note:
N0 to N11 are set to have UHF oscillator on channel E36 (591.25 MHz). (See Section 15.7, “UHF PLL Section,” for
more information.) Peak white clip is on. Sound frequency is 5.5 MHz. Sound reference frequency is 31.25 kHz.
Logic output port is low voltage. Picture-to-sound ratio is 12 dB.
Table 26. System L or B/G Selection
Function
B/G (SYSL = 0)
L (SYSL = 1)
Video modulation polarity
Negative
Positive
Video modulation depth (% typical) 1
82
93
Sound modulation
FM
AM
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| MC44BS373CAFC | 功能描述:IC MODULATOR AUD/VID U/V 20-QFN RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
| MC44BS373CAFCEVK | 功能描述:射頻開發(fā)工具 BS373CAFC MOD KIT RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V |
| MC44BS373CAFCR2 | 功能描述:IC MODULATOR AUD/VID U/V 20-QFN RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
| MC44BS373CAR2 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator |
| MC44BS373CR2 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator |
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