参数资料
型号: AFE7222EVM
厂商: Texas Instruments
文件页数: 39/106页
文件大小: 0K
描述: EVAL MODULE FOR AFE7222
标准包装: 1
主要目的: 接口,模拟前端(AFE)
嵌入式:
已用 IC / 零件: AFE7222
已供物品:
其它名称: 296-30300
AFE7222EVM-ND
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
Register Name – CONFIG73 – Address 0x171, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_QMC_GAINB(10:3)
RX_QMC_GAINB(10:3) – Upper 8 bits of the 11 bit QMC Gain word for ADC B.
Register Name – CONFIG74 – Address 0x172, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_QMC_PHASE(9:2)
RX_QMC_PHASE(9:2) – Upper 8 bits of the 10 bit QMC Phase word. The lower two bits are in the
CONFIG75 register. The full QMC_PHASE(9 :0) correction word is formatted as 2s complement and
scaled to occupy a range of -0.125 to 0.12475. To acomplish QMC Phase correction, this value is
multiplied by the current Q sample, then summed to the I sample.
Register Name – CONFIG75 – Address 0x173, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_QMC_PHASE(1:0)
RX_QMC_PHASE(1:0) – Lower 2 bits of the 10 bit QMC Phase word.
Register Name – CONFIG76 – Address 0x174, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_FREQ_WORD(31:24)
RX_NCO_FREQ_WORD(31:24) – See CONFIG79 below.
Register Name – CONFIG77 – Address 0x175, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_FREQ_WORD(23:16)
RX_NCO_FREQ_WORD(23:16) – See CONFIG79 below.
Register Name – CONFIG78 – Address 0x176, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_FREQ_WORD(15:8)
RX_NCO_FREQ_WORD(15:8) – See CONFIG79 below.
Register Name – CONFIG79 – Address 0x177, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_FREQ_WORD(7:0)
RX_NCO_FREQ_WORD(7:0) – This 32-bit word specifies the frequency of the NCO used by the fine
mixer. The twos complement formatted value can be positive or negative, and the LSB is equal to (Fs/232).
Register Name – CONFIG80 – Address 0x178, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_PHASE_OFF(15:8)
RX_NCO_PHASE_OFF(15:8) – See CONFIG81 below.
38
REGISTER DESCRIPTIONS
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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