9
9120A–AUTO–01/08
ATA6831/ATA6832 Driver ICs
Table 5-1.
Functions of the Serial Interface Register Bits
Bit
Input Register
Function
0
SRR
Status register reset (high = reset; the bits PSF, OPL, and SCD in the output data register are set to low)
1
LS1
Controls output LS1 (high = switch output LS1 on)
2
HS1
Controls output HS1 (high = switch output HS1 on)
3
LS2
See LS1
4
HS2
See HS1
5
LS3
See LS1
6
HS3
See HS1
7
PL1
Output LS1 additonally controlled by PWM input pin
8
PH1
Output HS1 additonally controlled by PWM input pin
9
PL2
See PL1
10
PH2
See PH1
11
PL3
See PL2
12
PH3
See PH2
13
OLD
Open load detection (low = open load currents are active)
14
OCS
Overcurrent shutdown (high = overcurrent shutdown is active)
15
SI
Software inhibit; low = standby, high = normal operation
(data transfer is not affected by the standby function because the digital part is still powered)