STV0042 데이터 시트보기 (PDF) - STMicroelectronics
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STV0042 Datasheet PDF : 24 Pages
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STV0042A
CONTROL REGISTERS (continued)
Reg 7 write/read
Bit (default AFHEX)
0 H Select frequency for PLL synthesizer - bit 2 of 10-bit value
1 H Select frequency for PLL synthesizer
2 H Select frequency for PLL synthesizer
3 H Select frequency for PLL synthesizer
4 L Select frequency for PLL synthesizer
5 H Select frequency for PLL synthesizer
6 L Select frequency for PLL synthesizer
7 H Select frequency for PLL synthesizer - bit 9, MSB (10th bit) of 10-bit value
Reg 8 read only
Bit
0
Subcarrier detection (DET 1) (L = No subcarrier)
1
Not used
2
Read frequency of watchdog 1 - LSB (bit 0) of 10-bit value
3
Read frequency of watchdog 1 - bit 1 of 10-bit value
4
Subcarrier detection (DET 2) (L = No subcarrier)
5
Not used
6
Read frequency of watchdog 2 - bit 0 of 10-bit value
7
Read frequency of watchdog 2 - bit 1 of 10-bit value
Reg 9 read only
Bit (default AFHEX)
0
Read frequency of watchdog 1 - bit 2 of 10-bit value
1
Read frequency of watchdog 1
2
Read frequency of watchdog 1
3
Read frequency of watchdog 1
4
Read frequency of watchdog 1
5
Read frequency of watchdog 1
6
Read frequency of watchdog 1
7
Read frequency of watchdog 1 - bit 9, MSB (10th bit) of 10-bit
Reg 0A read only
Bit
0
Read frequency of watchdog 2 - bit 2 of 10-bit value
1
Read frequency of watchdog 2
2
Read frequency of watchdog 2
3
Read frequency of watchdog 2
4
Read frequency of watchdog 2
5
Read frequency of watchdog 2
6
Read frequency of watchdog 2
7
Read frequency of watchdog 2 - bit 9, MSB (10th bit) of 10-bit
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