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MC44BS373CAD 数据表(PDF) 9 Page - Motorola, Inc

部件名 MC44BS373CAD
功能描述  PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator
PDF  52 Pages
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制造商  MOTOROLA [Motorola, Inc]
网页  http://www.freescale.com
标志 MOTOROLA - Motorola, Inc

MC44BS373CAD 数据表(HTML) 9 Page - Motorola, Inc

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MOTOROLA
MC44BS373CA Data Sheet
9
I2C Bit Mapping
Table 11 and Table 12 show how to select the I2C address.
NOTE
The I2C address is also selectable via the CAS pin. See Section 16, “High
Speed I2C Compatible Bus,” for more information.
SFD1
SFD0
Sound subcarrier frequency control bits
SFD1 SFD0
Frequency
00
4.5
01
5.5
10
6.0
11
6.5
SREF
Sound PLL reference frequency
0 Sound reference frequency = 31.25 kHz
1 Sound reference frequency = 62.5 kHz
TPEN
Test pattern enable-picture and sound
0 Test pattern signal off (normal operation)
1 Test pattern signal on (picture and sound)
N0–N11
UHF frequency programming bits, in steps of 250 kHz
See Section 15.7, “UHF PLL Section,” for more information.
Y2
RF oscillator operating range information
0 High VCO is active.
1 Low VCO is active.
Y1
RF oscillator operating range information
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
OOR
RF oscillator out-of-frequency range information
0 Normal operation, VCO in range
1 VCO out of range
Table 11. I2C Address Selection, Write Mode
SFD1
SFD0
Address Selected
Binary
Hex
0
0
1100_1000
0xC8
1
0
1100_1010
0xCA
0
1
1100_1100
0xCC
1
1
1100_1110
0xCE
Table 12. I2C Address Selection, Read Mode
SFD1
SFD0
Address Selected
Binary
Hex
0
0
1100_1001
0xC9
1
0
1100_1011
0xCB
0
1
1100_1101
0xCD
1
1
1100_1111
0xCF
Table 10. I2C Bit Mapping Bit Descriptions (continued)
Name
Description



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