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WM8321 数据表(PDF) 11 Page - Wolfson Microelectronics plc |
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WM8321 数据表(HTML) 11 Page - Wolfson Microelectronics plc |
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11 / 253 page  Production Data WM8321 w PD, February 2012, Rev 4.0 11 PIN NAME TYPE POWER DOMAIN DESCRIPTION DC-DC Converters and LDO Regulators B7 DC1GND Supply DC-DC1 Power Ground A8 DC1FB Analogue Input DC1VDD DC-DC1 Feedback Pin A7 DC1LX Analogue I/O DC-DC1 Inductor Connection B8 DC1VDD Supply DC-DC1 Power Input (connect to PVDD system supply) B6 DC2GND Supply DC-DC2 Power Ground A5 DC2FB Analogue Input DC2VDD DC-DC2 Feedback Pin A6 DC2LX Analogue I/O DC-DC2 Inductor Connection B5 DC2VDD Supply DC-DC2 Power Input (connect to PVDD system supply) M1 DC3GND Supply DC-DC3 Power Ground J1 DC3FB Analogue Input DC3VDD DC-DC3 Feedback Pin L1 DC3LX Analogue I/O DC-DC3 Inductor Connection K1 DC3VDD Supply DC-DC3 Power Input (connect to PVDD system supply) N1 DC4GND Supply DC-DC4 Power Ground T1 DC4FB Analogue Input DC4VDD DC-DC4 Feedback Pin P1 DC4LX Analogue I/O DC-DC4 Inductor Connection R1 DC4VDD Supply DC-DC4 Power Input (connect to PVDD system supply) A3 LDO1_2VDD Supply LDO1 & LDO2 Power Input B2 LDO1VOUT Analogue Output LDO1VDD LDO1 Power Output B3 LDO2VOUT Analogue Output LDO2VDD LDO2 Power Output B4 LDO3VDD Supply LDO3 Power Input A4 LDO3VOUT Analogue Output LDO3VDD LDO3 Power Output W3 LDO4VDD Supply LDO4 Power Input Y2 LDO4VOUT Analogue Output LDO4VDD LDO4 Power Output Y1 LDO5VDD Supply LDO5 Power Input W2 LDO5VOUT Analogue Output LDO5VDD LDO5 Power Output W1 LDO6VDD Supply LDO6 Power Input V1 LDO6VOUT Analogue Output LDO6VDD LDO6 Power Output R3 LDO7_8VDD Supply LDO7 & LDO8 Power Input N2 LDO7VOUT Analogue Output LDO7VDD LDO7 Power Output R2 LDO8VOUT Analogue Output LDO8VDD LDO8 Power Output M2 LDO9_10VDD Supply LDO9 Power Input M3 LDO9VOUT Analogue Output LDO9VDD LDO9 Power Output N3 LDO10VOUT Analogue Output LDO10VDD LDO10 Power Output V3 LDO11VOUT Analogue Output PVDD LDO11 (Alive) Power Output Y8 LDO12VOUT Analogue I/O PVDD LDO12 (Internal VPMIC) Output; Backup battery supply input / output W7 LDO13VOUT1 Analogue I/O PVDD LDO13 (Internal INTVDD) Output; not for general use K2 LDO13VOUT2 Analogue I/O PVDD LDO13 - Connect to LDO13VOUT1 (W7) Voltage and Current References W8 VREFC Analogue I/O VPMIC Voltage Reference capacitor connection point Y9 IREFR Analogue I/O Current Reference resistor connection point System LED Drivers U3 LED1 Digital Output PVDD Status LED Driver 1. Open Drain Output U2 LED2 Digital Output Status LED Driver 2. Open Drain Output |
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