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WM8321 数据表(PDF) 10 Page - Wolfson Microelectronics plc |
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WM8321 数据表(HTML) 10 Page - Wolfson Microelectronics plc |
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10 / 253 page  WM8321 Production Data w PD, February 2012, Rev 4.0 10 PIN NAME TYPE POWER DOMAIN DESCRIPTION Processor Interface and IC Control W9 ON ¯¯¯ Digital Input VPMIC ON Request Pin (Internal pull-up) B10 RESET ¯¯¯¯¯¯ Digital I/O DBVDD System Reset Input and Open Drain Output. (Internal pull-up) A11 IRQ ¯¯¯ Digital Output DBVDD PMIC Interrupt Flag Output. Configurable Open Drain / CMOS mode. (Internal pull-up in Open Drain mode.) E1 CIFMODE Digital Input DBVDD Primary Control Interface Mode Select: 0 = I 2C Compatible Control Interface Mode 1 = SPI Compatible Control Interface Mode SPI Compatible Control Interface Mode I 2C Compatible Control Interface Mode D2 SDOUT1 Digital Output DBVDD Control Interface Serial Data Out. Open Drain output; external 4.7kΩ pull-up recommended. No Function B9 SCLK1 Digital Input Control Interface Serial Clock Control Interface Serial Clock A9 SDA1 Digital I/O Control Interface Serial Data In Control Interface Serial Data Input and Open Drain Output. External 4.7kΩ pull-up recommended. (Output can extend above DBVDD domain.) A10 CS ¯¯ Digital Input Control Interface Chip Select I 2C Address Select: 0 = 68h 1 = 6Ch Y10 SCLK2 Digital I/O VPMIC Control Interface Serial Clock for external InstantConfig TM EEPROM (ICE) (Internal pull-down) W10 SDA2 Digital I/O Control Interface Serial Data to/from external InstantConfig TM EEPROM (ICE) (Internal pull-down) B11 DBVDD1 Supply Digital Buffer Supply F1 DBVDD2 Supply Digital Buffer Supply OTP Memory Y3 PROGVDD Supply High-voltage input for OTP programming. |
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