参数资料
型号: TSL2569CS
厂商: AMS-TAOS USA Inc
文件页数: 17/37页
文件大小: 785K
描述: IC LIGHT TO DGTL CONV 6CHIPSCALE
标准包装: 1
系列: *
其它名称: TSL2569-CSDKR
TSL2568, TSL2569
LIGHT-TO-DIGITAL CONVERTER
TAOS091D  DECEMBER 2008
16
r
r
Copyright E 2008, TAOS Inc.
The LUMENOLOGY r Company
www.taosinc.com
ADC Channel Data Registers (Ch  Fh)
The ADC channel data are expressed as 16-bit values spread across two registers. The ADC channel 0 data
registers, DATA0LOW and DATA0HIGH provide the lower and upper bytes, respectively, of the ADC value of
channel 0. Registers DATA1LOW and DATA1HIGH provide the lower and upper bytes, respectively, of the ADC
value of channel 1. All channel data registers are read-only and default to 00h on power up.
Table 12. ADC Channel Data Registers
REGISTER
ADDRESS
BITS
DESCRIPTION
DATA0LOW
Ch
7:0
ADC channel 0 lower byte
DATA0HIGH
Dh
7:0
ADC channel 0 upper byte
DATA1LOW
Eh
7:0
ADC channel 1 lower byte
DATA1HIGH
Fh
7:0
ADC channel 1 upper byte
The upper byte data registers can only be read following a read to the corresponding lower byte register. When
the lower byte register is read, the upper eight bits are strobed into a shadow register, which is read by a
subsequent read to the upper byte. The upper register will read the correct value even if additional ADC
integration cycles end between the reading of the lower and upper registers.
NOTE:  The Read Word protocol can be used to read byte-paired registers. For example, the DATA0LOW and DATA0HIGH registers (as well as
the DATA1LOW and DATA1HIGH registers) may be read together to obtain the 16-bit ADC value in a single transaction
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