參數資料
型號: MC44BS373CAEFR2
廠商: Freescale Semiconductor
文件頁數: 3/52頁
文件大?。?/td> 0K
描述: IC AUD/VID PAL MODULATOR 16-SOIC
標準包裝: 1
類型: NTSC/PAL 調制器
應用: 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)
供應商設備封裝: 16-SOIC N
包裝: 剪切帶 (CT)
其它名稱: MC44BS373CAEFR2CT
MC44BS373CA Data Sheet
I2C Programming
Table 15 lists the UHF settings used.
Table 16 lists the other settings used.
Table 17 lists settings of fields X2, X1, and X0, used to set the device into test mode 1 and to control the
VHF range.
NOTE
Test modes 1 and 2 are intended for manufacturing test purposes only and
cannot be used for normal applications, except for VHF range (states 1.b
to 1.e).
Table 15. UHF Settings
Bit
Value
Setting
UHF Oscillator
OSC
0
Normal operation
1
UHF oscillator disabled (oscillator and PLL sections bias turned off)
Modulator Output Attenuation
ATT
0
Normal operation
1
Modulator output attenuation (sound and video modulators sections bias turned off)
Table 16. Other Settings
Bit
Value
Setting
Sound PLL
SREF
0
Sound reference frequency = 31.25 kHz.
1
Sound reference frequency = 62.5 kHz.
Logic Output Port
LOP
0
LOP pin is low voltage.
1
LOP pin is high impedance.
Standby Mode
OSC
SO
ATT
1, 1, 1
Puts the MC44BS373CA into standby mode. See Section 15.3, “Standby Mode,” for
more information.
Table 17. Write Mode—Test Mode 1 and VHF Range
X2
X1
X0
State
Description
0
1.a
Normal operation
0
1
1.b
RF frequency divided for low-frequency testing or VHF range: RF/2
010
1.c
RF/4
011
1.d
RF/8
100
1.e
RF/16
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