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Revision 1.12
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AS5130
Datasheet - Detailed Description
7.3 OTP Programming
For programming of the OTP, an additional voltage has to be applied to the pin PROG. It has to be buffered by a fast 100nF capacitor (ceramic)
and a 10礔 capacitor. The information to be programmed is set by command 25. The OTP bits 16 to 45 are used for AMS factory trimming and
cannot be overwritten.
Figure 12. OTP Programming Connection
Figure 13. External Circuitry for OTP Programming
Table 11. OTP Programming Parameters
Symbol
Parameter
Min
Max
Unit
Notes
VDD
Supply Voltage
5
5.5
V
GND
Ground Level
0
0
V
V_zapp
Programming Voltage
8
8.5
V
At pin PROG
T_zapp
Temperature
0
85
篊
f_clk
CLK Frequency
100
kHz
At pin DCLK
VDD
VSS
micro
controller
AS5130
100n
VSS
+5V
VDD
CS
VDD
DCLK
DIO
PROG
VSS
AS5130
C1
I/O
Output
Output
+
10礔
100n
8.0 - 8.5V
VDD
V
SUPPLY
PROG
GND
C1
C2
100nF 10礔
V
zapp
V
prog
PROM Cell
maximum
parasitic cable
inductance
L<50nH
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