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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8235 датащи(PDF) 72 Page - Cirrus Logic |
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WM8235 датащи(HTML) 72 Page - Cirrus Logic |
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72 / 154 page  WM8235 72 Rev 4.6 R448 (1C0h) USER_KEY2 0 0 0 0 0 0 0 USER_KEY2 00h R459 (1CBh) Comp control 0 0 0 0 0 0 PT_COMP[1:0] 01h Notes: 1. To change the LDO2 control, the USER_KEY bit must be set to ‘1’. 2. If it’s not required to change this register, it must be set as default. 3. To change the Comp control, the USER_KEY2 bit must be set to ‘1’. 4. If it’s not required to change this register, must be set as default. REGISTER BITS BY ADDRESS REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R0 (00h) Software Reset/Chip ID 1 7:0 SW_RESET_ CHIP_ID[7:0] 0011_0101 A write issues a software reset, and returns all control registers to their default values. A read returns lower bits of the device ID Register 00h Software Reset/Chip ID 1 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R1 (01h) Chip ID 2 7:0 CHIP_ID[7:0] 1000_0010 A read returns upper bits of the device ID Register 01h Chip ID 2 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R2 (02h) Chip Rev 3:0 CHIP_REV[3:0] 0000 A read returns the device revision number Register 02h Chip Rev REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R3 (03h) Setup Reg 1 4 CHZPD 0 ADC powerdown control for channel 7&8&9 (related PGA and digits goes power down) 0 = normal operation 1 = power down 3 CHYPD 0 ADC powerdown control for channel 4&5&6 (related PGA and digits goes power down) 0 = normal operation 1 = power down 2 CHXPD 0 ADC powerdown control for channel 1&2&3 (related PGA and digits goes power down) 0 = normal operation 1 = power down 1 PDMD 0 power down mode 0 : standby 1 : sleep 0 PD 0 power down 0 : normal operation 1 : power down Register 03h Setup Reg 1 |
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