MC44BS373CAD datasheet(9/52 Pages) MOTOROLA

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MOTOROLA

MC44BS373CA Data Sheet

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

4.5

5.5

6.0

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.

RF oscillator operating range information

0 High VCO is active.

1 Low VCO is active.

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

1100_1000

0xC8

1100_1010

0xCA

1100_1100

0xCC

1100_1110

0xCE

Table 12. I2C Address Selection, Read Mode

SFD1

SFD0

Address Selected

Binary

Hex

1100_1001

0xC9

1100_1011

0xCB

1100_1101

0xCD

1100_1111

0xCF

Table 10. I2C Bit Mapping Bit Descriptions (continued)

Name

Description

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