AS8515 Datasheet, PDF (54/65 Pages) ams AG – Data Acquisition System with Power Management and LIN Transceiver for 12V Battery Sensor Applications

AS8515
Datasheet - 4-Wire SPI Interface
Table 49. Control Registers
Addr in
HEX
Register Name
0A
MOD_CTL_REG
(Mode Control Registers)
0B
MOD_Ta_REG1
(Ta Control Register)
0C
MOD_Ta_REG2
(Ta Control Register)
0D
MOD_ITH_REG1
(Current Threshold Register)
0E
MOD_ITH_REG2
(Current Threshold Register)
POR Value R/W
0000_0000 R/W
1000_0000
0000_0000 R/W
0000_0000 R/W
8-bit Control / Status Data
D[7:6]
D[5:3]
D[2]
D[1]
D[0]
D[7]
D[6:0]
D[7:0]
These two bits select the operating mode of the Device.
Default is 00 (Normal Mode 1)
00
Normal Mode 1
01
Normal Mode 2
10
Standby Mode 1
11
Standby Mode 2
These three bits select the number of cycles to be
ignored before comparison with the set threshold in
Standy Mode. Default is 000 (3 cycles of data)
000
3 cycles of data
001
4 cycles of data
010
5 cycles of data
011
6cycles of data
100
7 cycles of data
101
8 cycles of data
110
9 cycles of data
111
10 cycles of data
This bit controls the CHOP_CLK availability on
CHOP_CLK pin.
Default is 0
0
Disabled
1
Enabled
Enabling the MEN pin to indicate transition from
Standby to Normal Mode.
0
Disabled
1
Enabled
This bit is used to take the device from STOP state to
any of the Modes based on D[7:6] selection of this
register.
0
Retain in STOP state
1
Enables transition to Normal or Standby
Modes.
Unit of Ta in SBM1/SBM2. Default is 1
0
Unit is in milliseconds
1
Unit is in seconds
MSB value of Ta
Unit of Ta in SBM1/SBM2
LSB value of Ta
D[7:0]
MSB bits of 16 bits SBM2 threshold register
0000_0000 R/W D[7:0]
LSB bits of 16 bits SBM2 threshold register
www.ams.com
Revision 0.7
54 - 65