參數(shù)資料
型號: ADS1259EVM-PDK
廠商: Texas Instruments
文件頁數(shù): 29/48頁
文件大?。?/td> 0K
描述: KIT PERFORMANCE DEMO FOR ADS1259
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 1
位數(shù): 24
采樣率(每秒): 14k
數(shù)據(jù)接口: 串行,SPI?
工作溫度: -40°C ~ 125°C
已用 IC / 零件: ADS1259
已供物品: 2 個(gè)板,文檔,軟件
其它名稱: 296-30635
ADS1259EVM-PDK-ND
SBAS424D
– JUNE 2009 – REVISED AUGUST 2011
REGISTER MAP
The operation of the ADS1259 is controlled through a set of registers. Collectively, the registers contain all the
information needed to configure the part, such as data rate, calibration, etc. Table 20 shows the register map.
Table 20. Register Map
RESET
ADDRESS
REGISTER
VALUE
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0h
CONFIG0
10XX0101b
1
0
ID1
ID0
0
RBIAS
0
SPI
1h
CONFIG1
00001000b
FLAG
CHKSUM
0
SINC2
EXTREF
DELAY2
DELAY1
DELAY0
2h
CONFIG2
XX000000b
DRDY
EXTCLK
SYNCOUT
PULSE
0
DR2
DR1
DR0
3h
OFC0
00000000b
OFC07
OFC06
OFC05
OFC04
OFC03
OFC02
OFC01
OFC00
4h
OFC1
00000000b
OFC15
OFC14
OFC13
OFC12
OFC11
OFC10
OFC09
OFC08
5h
OFC2
00000000b
OFC23
OFC22
OFC21
OFC20
OFC19
OFC18
OFC17
OFC16
6h
FSC0
00000000b
FSC07
FSC06
FSC05
FSC04
FSC03
FSC02
FSC01
FSC00
7h
FSC1
00000000b
FSC15
FSC14
FSC13
FSC12
FSC11
FSC10
FSC09
FSC08
8h
FSC2
01000000b
FSC23
FSC22
FSC21
FSC20
FSC19
FSC18
FSC17
FSC16
CONFIG0: CONFIGURATION REGISTER 0 (Address = 0h)
7
6
5
4
3
2
1
0
1
0
ID1
ID0
0
RBIAS
0
SPI
Reset value = 10XX0101b.
Bit 7
Reserved (read-only)
Always returns '1'.
Bit 6
Reserved (read-only)
Always returns '0'.
Bits 5-4
ID[1:0]: Factory-programmed identification bits (read-only)
(Note that these bits may change without notification.)
Bit 3
Reserved
Always write '0'.
Bit 2
RBIAS: Internal reference bias
0 = Internal reference bias disabled
1 = Internal reference bias enabled (default)
Bit 1
Reserved
Always write '0'.
Bit 0
SPI: SCLK timeout of SPI interface
0 = SPI timeout disabled
1 = SPI timeout enabled (default), when SCLK is held low for 216 clock cycles
Copyright
2009–2011, Texas Instruments Incorporated
35
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