as5134 austriamicrosystems, as5134 Datasheet - Page 15

• Manufacturer Part Number: as5134
• Description: 360?programmable High Speed Bldc Magnetic Rotary Encoder
• Manufacturer: austriamicrosystems

AS5134
Data Sheet - D e t a i l e d D e s c r i p t i o n
Serial Synchronous Interface (SSI)
Table 7. Commands of the SSI in Normal Mode
Table 8. Commands of the SSI in Extended Mode
Notes:
EN PROG: Enables the access to the OTP register.
WRITE CONFIG: go2sleep HI activates the sleep mode of the AS5134. The power consumption is significantly
reduced. go2sleep LO returns to normal operation mode. During sleep mode, the lock bit in command 0 and command
1 is LO.
RD_MT Counter: Command for read out of multi turn register (multiturn) and AGC value (agc). “Lock” indicates a
locked ADC, and “parity” refers to an even parity checksum.
RD_ANGLE: Command for read out of angle value and AGC value (agc). “Lock” indicates a locked ADC, and “parity”
refers to an even parity checksum.
WRITE OTP: Writing of the OTP register. The written data is volatile. “Zero Angle” is the angle, which is set for zero
position. “Wake enable” enables the polling mode. “Sensitivity” is the gain setting in the signal path. “Redundancy” is
the number of bits, which allows the customer to overwrite one of the customer OTP bits <0:11>.
PROG_OTP: Programming of the OTP register. Only Bits <0:15> can be programmed by the customer.
READ_OTP: Read out the content of the OTP register. Data written by WRITE_OTP and PROG_OTP is read out.
READ ANA: Analog read out mode. The analog value of every OTP bit is available at pin 2 (PROG), which allows for
a verification of the fuse process. No data is available at the SSI.
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23 WRITE CONFIG 1
20 SET MT COUNTER 10100
19 SET AGC
16 EN PROG
31 WRITE OTP
25 PROG_OTP 11001
15
#
4 RD MT COUNTER
0 RD_ANGLE
#
9
READ_OTP
READ ANA
1. Empty fields should be described with “logical 0”.
2. The lock_adc signal indicates that the tracking adc is in a locked status – remark, that for valid angle condi-
3. These bits will be deleted during power down or sleep mode to ensure that the user is able to detect that the
cmd
number of bits
tions the magnetic field has to be in a certain range which is indicated by the agc_counter value.
read out angle value is computed after the wake up sequence.
cmd
01001
11111
01111
bin
10000
00100
00000
10111
10011
bin
mode
write
write
read
read
xt
xt
xt
xt
mode
write
write
write
write
read
read
61..
otp
otp
otp
otp
60
tst
tst
tst
tst
2
lock_adc
59..
18
42
ID
ID
ID
ID
LP
15
1
hyst_2x
hyst_2x
hyst_2x
hyst_2x
agc_code <2:0>
41
Digital interface @ extended mode
1
Digital interface @ normal mode
gen_rst MTC2 (*) MTC1 (*) Hyst<1:0>
14
0
cfg
40
LP
LP
LP
1
39..
off_
cos
osc
osc
osc
36
4
13
0
Revision 1.6
35..
off_
vref
vref
vref
sin
32
multi-turn-counter <8:0>
multi-turn-counter <8:0>
2
agc <5:0>
12
FM
31
LP
LP
LP
0
1
30..
osc
osc
osc
osc
27
4
11
1
26..
vref
vref
vref
vref Hall
agc_tst_value <5:0>
25
2
10
1
Bias
Bias
Bias
Bias
24..
Hall
Hall
Hall
22
3
analog
Sig
9
0
lock_otp
lock_otp
lock_otp
lock_otp
21
(*)
(*)
(*)
(*)
1
AGC_mux
8
0
20..1
r_ad
r_ad
r_ad
r_ad
d
4
7
d
d
d
AGC2
r_bit
r_bit
r_bit
r_bit sensi
PWM
16
1
7
1
angle <8:0>
sensi
sensi
sensi
15..1
tivity
tivity
tivity
tivity
2
4
ez_error
6
0
13..
abi
abi
abi
abi
12
2
5 4 3 2 1 0
1 0 1 1 1 0
uvw
uvw
uvw
uvw
11..
3
9
15 - 29
angle
angle
angle
angle
zero
zero
zero
zero
8..0
9