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TRF2443IPFP Datasheet(PDF) 39 Page - Texas Instruments

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Part # TRF2443IPFP
Description  Integrated IF Transceiver for Broadband Wireless Applications
PDF  72 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TRF2443IPFP Datasheet(HTML) 39 Page - Texas Instruments

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TRF2443
www.ti.com ................................................................................................................................... SLWS217A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009
SPI2 Register 4
Register address
SPI address
RSV
RSV
RSV
RSV
RSV
RSV
Power down RX PLL blocks
RSV
Bit0
Bit1
Bit2
Bit3
Bit4
Bit5
Bit6
Bit7
Bit8
Bit9
Bit10
Bit11
Bit12
Bit13
Bit14
Bit15
RSV
Power down RX PLL blocks
RSV
RSV
RXVCO trim
Bit16
Bit17
Bit18
Bit19
Bit20
Bit21
Bit22
Bit23
Bit24
Bit25
Bit26
Bit27
Bit28
Bit29
Bit30
Bit31
REGISTER
POWER-ON
SUGGESTED
DESCRIPTION
NAME
4
VALUE
VALUE
Bit0
ADDR_0
0
0
Register address bits
Bit1
ADDR_1
0
0
Bit2
ADDR_2
1
1
Bit3
ADDR_3
0
0
SPI address bits
Bit4
ADDR_4
1
1
Bit5
RSV
0
0
Reserved
Bit6
RSV
0
0
Reserved
Bit7
RSV
0
0
Reserved
Bit8
RSV
0
0
Reserved
Bit9
RSV
1
1
Reserved
Bit10
RSV
1
1
Reserved
Bit11
PWD_RXCP
0
0
When 1, RX charge pump is off
Bit12
PWD_RXVCO
0
0
When 1, RX VCO is off
Bit13
PWD_RXBUF1
0
0
Power down VCO buffer 1 (1 = off)
Bit14
PWD_RXBUF2
0
0
Power down VCO buffer 2 (1 = off)
Bit15
RSV
1
1
Reserved
Bit16
PWD_RX_TESTBUF
0
1
Power down RXVCO output buffer, pin RXLOTEST (1 = off)
Bit17
PWD_RXDIV2
0
0
Power down VCO divider (1 = off)
Bit18
PWD_RXPRESC
0
0
Power down prescaler buffer (1 = off)
Bit19
PWD_RXRESYNC
0
0
Power down re-synch D flip-flop (1 = off)
Bit20
PWD_RXPLL
0
0
Power down whole RX PLL (1 = off)
Bit21
PWD_RXDIV
0
0
Power down LO divider (1 = off)
Bit22
PWD_RXDET
0
0
Power down VCO detector (1 = off; used for VCO calibration)
Bit23
RSV
0
0
Reserved
Bit24
RSV
0
0
Reserved
Bit25
RXVCO_TRIM_0
0
0
VCO coarse frequency tuning control (manual mode)
Bit26
RXVCO_TRIM_1
0
0
Bit27
RXVCO_TRIM_2
0
0
Bit28
RXVCO_TRIM_3
0
0
Bit29
RXVCO_TRIM_4
0
0
Bit30
RXVCO_TRIM_5
0
0
Bit31
RXVCO_TRIM_6
0
0
Copyright © 2009, Texas Instruments Incorporated
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Product Folder Link(s): TRF2443



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