參數(shù)資料
型號(hào)： MC44BS373CAFCR2
廠(chǎng)商： Freescale Semiconductor
文件頁(yè)數(shù)： 4/52頁(yè)
文件大?。?/td> 0K
描述： IC MODULATOR AUD/VID U/V 20-QFN
標(biāo)準(zhǔn)包裝： 2,500
類(lèi)型： NTSC/PAL 調(diào)制器
應(yīng)用： 音頻/視頻，VCR，機(jī)頂盒
安裝類(lèi)型： 表面貼裝
封裝/外殼： 20-VQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 20-QFN 裸露焊盤(pán)（5x5）
包裝： 帶卷 (TR)
MC44BS373CA Data Sheet
I2C Programming
Table 18 lists settings of fields X5, X4, and X3, used to set the device into test mode 2.
Table 19 lists settings of fields Y2, Y1, and OOR, used to set the device into READ mode and to determine
RF oscillator out-of-frequency range information.
1
0
1
1.f
DC drive applied to modulators—Non-inverted video at TVOUT
1
0
1.g
DC drive applied to modulators—Inverted video at TVOUT
1
1.h
Transient output inhibit disabled (that is, speed-up mode)
During this speed-up test mode, ATT = 0 forces sound current source to 1
A,
while ATT = 1 forces it to 10
A.
Table 18. Write Mode—Test Mode 2
X5
X4
X3
State
Description
0
2.a
Normal operation
0
1
2.b
Test pattern generator DC verification (test pattern DC test mode available)
0
1
0
2.c
Program divider test (UHF program divider on PLLFILT pin and sound program
divider on SPLLFIL pin)
0
1
2.d
Reference divider test (UHF reference divider on PLLFILT pin)
1
0
2.e
UHF phase comparison, upper source on PLLFILT pin
Sound phase comparison 10-
A upper source on SPLLFIL
(only valid during transient output inhibit)
1
0
1
2.f
UHF phase comparison, lower source on PLLFILT pin
Sound phase comparison 10-
A lower source on SPLLFIL
(only valid during transient output inhibit)
1
0
2.g
Sound phase comparison 1-
A upper source on SPLLFIL
(not valid during transient output inhibit)
1
2.h
Sound phase comparison 1-
A lower source on SPLLFIL
(not valid during transient output inhibit)
Table 19. Read Mode
Bit
Value
Setting
OOR
0
Normal operation, VCO in range
1
VCO out of range
Y1
0
VCO out of range, frequency too low. Only valid if OOR=1
1
VCO out of range, frequency too high. Only valid if OOR=1
Y2
0
High VCO is active.
1
Low VCO is active.
Table 17. Write Mode—Test Mode 1 and VHF Range (continued)
X2
X1
X0
State
Description
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC44BS373CAR2 制造商:MOTOROLA 制造商全稱(chēng):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(chēng):Motorola, Inc 功能描述:PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator
MC44BS374 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:MC44BS374
MC44BS374CA 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:SO16NB Package
MC44BS374CAD 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:CMOS Audio/Video RF Modulators
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