AK8456 Datasheet, PDF (24/32 Pages) Asahi Kasei Microsystems – 3 channel input 16bit 30MSPS Video ADC with LED driver

[AK8456]
Adrs Name
0h CNTRL1
Default
B7
NPD
0
B6
B5
B4
B3
SHG0 SHG1 SHG2 ---
0
0
0
0
B2
VDCO
0
B1
B0
VDCSEL CHN
0
0
 Address 0h B7
Power-down Setting
NPD
Operation
0 Power-down
1 Normal Operation
Both of AFE block and LED driver power-down. LDO for analog block does not power –down.
 Address 0h B6
 Address 0h B5
 Address 0h B4
SHG0/1/2
0
1
CISIN0 Sample and Hold Gain
CISIN1 Sample and Hold Gain
CISIN2 Sample and Hold Gain
Gain at Sample and Hold Block
0dB
6dB
 Address 0h B2
VDCO
0
1
CIS Reference Voltage Source Select
CIS Reference Voltage Source
External
Internal (Output to VDC pin)
 Address 0h B1
VDCSEL
0
1
CIS Internal Reference Voltage Select
CIS Reference Voltage
1.0V
1.1V
 Address 0h B0
Input Channel Number Select
CHN
Channel Number
0
3 Channels
1
1 Channel (Input to CISIN0)
** When writing an undefined bit, write 0.
014002433-E-00
- 24 -
2014/06