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AS5215
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
8.3 Device Communication / Programming
Table 10. Digital Interface at Normal Mode
#
command
bin
mode
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
23
WRITE CONFIG
1
10111
write
go2sleep
gen_rst
analog_sig
OB_bypassed
16
EN_PROG
10000
write
1
0
0
0
1
1
0
0
1
0
1
0
1
1
1
0
Name
go2sleep
gen_rst
analog_sig
OB_bypassed
Functionality
Enter/leave low power mode (no output signals)
Generates global reset
Switches the channels to the test bus after the PGA
Disable and bypass output buffer for testing purpose
Table 11. Digital Interface at Extended Mode
Factory Settings
User Settings
#
command
bin
mode
<45:44>
<43:
26>
<25:23>
<22:2
0>
<19:1
8>
<17:1
4>
<13>
<12>
<11>
<10>
<9>
<8:7>
<6>
<5:0>
31 WRITE OTP
25 PROG_OTP
15 RD_OTP
11111
11001
01111
xt write
xt write
xt read
otp test
otp test
otp test
ID
ID
ID
10μbiastrim
10μbiastrim
10μbiastrim
vref
vref
vref
osc
osc
osc
lock_O
TP
lock_O
TP
lock_O
TP
n.c.
n.c.
n.c.
invert_
channel
invert_
channel
invert_
channel
cm_sin
cm_sin
cm_sin
cm_cos
cm_cos
cm_cos
gain
gain
gain
dc_
offset
dc_
offset
dc_
offset
hall_
bias
hall_
bias
hall_
bias
9
RD_OTP_ANA
01001
xt read
Remark:
1. Send EN PROG (command 16) in normal mode before accessing the OTP in extended mode.
2. OTP assignment will be defined/updated.
Name
Otp_test
ID
n.c.
10μbiastrim
vref
osc
lock_OTP
invert_channel
cm_sin
cm_cos
gain
dc_offset
Hall_b
Functionality
Dummy fuse bit used in production test
Part identification
Not connected
10μ bias current trim bits
Bias Block reference voltage trim bits
Oscillator trimming bits
To disable the programming of the factory bits <45…14>
Inverts SIN and COS channel before the PGA for inverted output function (0...SIN/COS, 1...SINN/
COSN)
Common mode voltage output enabled at SINN / CM pin (0...differential, 1...common)
Common mode voltage output enabled at COSN / CM pin (0...differential, 1...common)
PGA gain setting (influences overall magnetic sensitivity), 2bit
Output DC offset (0…1.5V, 1…2.5V)
Hall bias setting (influences overall magnetic sensitivity), 6bit
www.austriamicrosystems.com/AS5215
Revision 1.11
16 - 26
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