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AS5115A-HSSP Datasheet(PDF) 9 Page - ams AG |
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AS5115A-HSSP Datasheet(HTML) 9 Page - ams AG |
9 / 21 page www.austriamicrosystems.com/AS5115 Revision 1.11 8 - 20 AS5115 Datasheet - Detailed Descr i pti on 7.3 Device Communication / Programming Note: “r” stands for reserved bits. They must not be modified, unless otherwise noted. Remark: 1. Send EN PROG (command 16) in normal mode before accessing the OTP in extended mode. 2. OTP assignment will be defined/updated. Command 5-bit command: cmd<4:0> bit<50:46> Data 34-bit data: data<45:0> bit<45:0> Interface Modes Normal read operation mode cmd<4:0> = <00xxx> 1 DCLK per data bit Extended read operation mode cmd<4:0> = <01xxx> 4 DCLK per data bit Normal write operation mode cmd<4:0> = <10xxx> 1 DCLK per data bit Extended write operation mode cmd<4:0> = <11xxx> 4 DCLK per data bit 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 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 Functionality go2sleep Enter/leave low power mode (no output signals) gen_rst Generates global reset analog_sig Switches the channels to the test bus after the PGA OB_bypassed Disable and bypass output buffer for testing purpose Table 11. Digital Interface at Extended Mode # command bin mode Factory Settings User Settings <45:44> <43: 26> <25:23> <22:20> <19:18> <17:14> <13> <12> <11> <10> <9> <8:7> <6> <5:0> 31 WRITE_OTP 11111 xt write r r r r r r r r invert_ channel cm_sin cm_cos gain dc_ offset hall_ bias 25 PROG_OTP 11001 xt write r r r r r r r r invert_ channel cm_sin cm_cos gain dc_ offset hall_ bias 15 RD_OTP 01111 xt read r r r r r r r r invert_ channel cm_sin cm_cos gain dc_ offset hall_ bias 9 RD_OTP_ANA 01001 xt read Name Functionality invert_channel Inverts SIN and COS channel before the PGA for inverted output function (0 SIN/COS, 1 SINN/COSN) cm_sin Common mode voltage output enabled at SINN / CM pin (0 differential, 1 common) cm_cos Common mode voltage output enabled at COSN / CM pin (0 differential, 1 common) gain PGA gain setting (influences overall magnetic sensitivity), 2-bit dc_offset Output DC bias offset (0 Voffset1=1.5V, 1 Voffset2=2.5V) Hall_b Hall bias setting (influences overall magnetic sensitivity), 6-bit Parameter Notes |
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