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STW82102B 데이터시트(PDF) 51 Page - STMicroelectronics

부품명 STW82102B
상세설명  RF down converter with embedded integer-N synthesizer
PDF  67 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW82102B 데이터시트(HTML) 51 Page - STMicroelectronics

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STW82102B
SPI digital interface
Doc ID 018516 Rev 2
51/67
ST2
SPI register 2
Address:
0x01
Type:
W
Reset:
0x00
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
W
W
W
WWW
WWW
WW
W
[23:14] R[9:0]: Reference clock divider ratio
[13:12] PLL_A[1:0]: VCO amplitude control
[11:9] CPSEL[2:0]: Charge pump output current control
[8] PSC_SEL: Prescaler modulus select (‘0’ for P=16, ‘1’ for P=19)
[7] CAL_TYPE: Calibration algorithm selection
0: standard calibration to optimize the phase noise versus temperature
1: enhanced calibration to maximize the
ΔTLK range
[6] SERCAL:
at ‘1’ starts the VCO auto-calibration (automatically reset to ‘0’ at the end of calibration)
[5] SELEXTCAL: test purpose only. Must be set to ‘0’
[4] MUTE_EN:
0: mute function disabled
1: mute function enabled
[3] MUTE_TYPE: must be set to '1' while the mute function is enabled (mute IF output on
Unlock state)
[2] MUTE_LOOUT_EN:
To be set to ’1’ to mute the LO output buffer
[1] MUTE_MIX_EN:
To be set to ’1’ to mute the Mixer circuitry
[0] MUTE_IFAMP_EN:
To be set to ’1’ to mute the IF amplifier circuitry



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