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AFE5804 Datasheet(PDF) 34 Page - Texas Instruments

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Part # AFE5804
Description  FULLY-INTEGRATED, 8-CHANNEL ANALOG FRONT-END FOR ULTRASOUND 0.89nV/?숰z, 12-Bit, 40MSPS, 101mW/Channel
PDF  60 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AFE5804 Datasheet(HTML) 34 Page - Texas Instruments

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INPUT REGISTER BIT MAPS
AFE5804
SBOS442A – JUNE 2008 – REVISED SEPTEMBER 2008 ................................................................................................................................................ www.ti.com
Table 4. VCA Register Map
BYTE 1
BYTE 2
BYTE 3
BYTE 4
BYTE 5
D0:D7
D8:D11
D12:D15
D16:D19
D20:D23
D24:D27
D28:D31
D32:D35
D36:D39
Control
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
Table 5. Byte 1—Control Byte Register Map
BIT NUMBER
BIT NAME
DESCRIPTION
D0 (LSB)
1
Start bit; this bit is permanently set high = 1
D1
WR
Write bit; this bit is permanently set high = 1
D2
PWR
1= Power-down mode enabled
D3
BW
Low-pass filter bandwidth setting (see Table 10)
D4
M0
(see Table 11)
D5
M1
(see Table 11)
D6
PG0
LSB of PGA gain control (see Table 12)
D7 (MSB)
PG1
MSB of PGA gain control
Table 6. Byte 2—First Data Byte
BIT NUMBER
BIT NAME
DESCRIPTION
D8 (LSB)
DB1:1
Channel 1, LSB of matrix control
D9
DB1:2
Channel 1, matrix control
D10
DB1:3
Channel 1, matrix control
D11
DB1:4
Channel 1, MSB of matrix control
D12
DB2:1
Channel 2, LSB of matrix control
D13
DB2:2
Channel 2, matrix control
D14
DB2:3
Channel 2, matrix control
D15 (MSB)
DB2:4
Channel 2, MSB of matrix control
Table 7. Byte 3—Second Data Byte
BIT NUMBER
BIT NAME
DESCRIPTION
D16 (LSB)
DB3:1
Channel 3, LSB of matrix control
D17
DB3:2
Channel 3, matrix control
D18
DB3:3
Channel 3, matrix control
D19
DB3:4
Channel 3, MSB of matrix control
D20
DB4:1
Channel 4, LSB of matrix control
D21
DB4:2
Channel 4, matrix control
D22
DB4:3
Channel 4, matrix control
D23 (MSB)
DB4:4
Channel 4, MSB of matrix control
34
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): AFE5804



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