wm8320 Wolfson Microelectronics plc, wm8320 Datasheet
wm8320
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wm8320 Summary of contents
Page 1
... The device offers a standby power consumption of <10uA, making it particularly suitable for portable applications. The WM8320 is supplied in a 7x7mm 169-ball BGA package, ideal for use in portable systems. The WM8320 forms part of the Wolfson series of audio and power management solutions, and is widely register compatible with the WM831X family of PMIC devices ...
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... Clocking and Auxiliary ADC Functions w DC-DC1 Dynamic Buck Bootstrap 0.6 to 1.8V EEPROM Interface 1.2A Interface DVS OTP NVM Bootstrap Config & Unique 4MHz WM8320 RC Oscillator Power Management ` Control PM Sub- System Monitoring AP Interface, GPIOs and PM Control Aux ADC Real-Time Wake-Up Clock Timer Power Management ...
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... OTP memory or may be loaded from an external memory. The WM8320 supports the programming and verification of the integrated OTP memory. A backup battery supply can be connected to the WM8320 in order to maintain the Real Time Clock (RTC) in the absence of the primary supply. The WM8320 provides a battery charger for the backup battery ...
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... GND GND GND GND GND GND GPIO12 GND IREFR GPIO4 GPIO6 GPIO11 VREFC PROGVDD GPIO5 GPIO10 PVDD2 7x7 BGA - TOP VIEW (WM8320) PACKAGE ) A 169-ball (7 x 7mm) (Pb-free) 169-ball (7 x 7mm) (Pb-free, tape and reel DC1GND DC1LX DC1VDD DC1FB DC1GND ...
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... Product Brief PIN DESCRIPTION Notes: 1. Pins are sorted by functional groups. 2. The power domain associated with each pin is noted; VPMIC is the domain powered by LDO12 for the ‘always-on’ functions internal to the WM8320. PIN NAME Clocking and Real Time Clock M11 XTO Analogue Output ...
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... WM8320 PIN NAME N10 SCLK2 L9 SDA2 D13 DBVDD1 C2 DBVDD2 C1 DBGND OTP Memory N5 PROGVDD DC-DC Converters and LDO Regulators A13, B12, B13, C3, C11, D3, D4, D6, D7, D8, D9, D10, E4, E5, E6, E7, E8, E9, E10, E12, F4, F5, F6, F7, F8, F9, F10, F13, G4, G5, G6, G7, G8, G9, G10, H3, GND H4, H5, ...
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... Reference Ground System VDD Supply Supply Supply System VDD Supply Supply System VDD Supply Supply Secondary (Backup) Battery Supply Status LED Driver 1. Open Drain Output PVDD3 Status LED Driver 2. Open Drain Output Do Not Connect WM8320 DESCRIPTION Product Brief, September 2009, Rev 1.1 7 ...
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... The OTP Programming Supply PROGVDD should only be present when programming the OTP. At other times, this pin should be left unconnected. The LDO12VOUT must be overdriven by an external supply when programming the OTP. At other times, the voltage at this pin is driven by the internal circuits of the WM8320. w ...
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... THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE. 8. FALLS WITHIN JEDEC, MO-195 w 7 1.17 mm BODY, 0.50 mm BALL PITCH X X DETAIL CORNER 0. 0.10 DETAIL 2 MAX NOTE 1.27 0.26 1.01 0.35 6 DM062 TOP VIEW SOLDER BALL b 3 DETAIL 1 ccc ddd Z Product Brief, September 2009, Rev 1.1 WM8320 9 ...
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... WM8320 IMPORTANT NOTICE Wolfson Microelectronics plc (“Wolfson”) products and services are sold subject to Wolfson’s terms and conditions of sale, delivery and payment supplied at the time of order acknowledgement. Wolfson warrants performance of its products to the specifications in effect at the date of shipment. Wolfson reserves the right to make changes to its products and specifications or to discontinue any product or service without notice ...