WM8351GEB/V Wolfson Microelectronics, WM8351GEB/V Datasheet - Page 114

• Manufacturer Part Number: WM8351GEB/V
• Description: Audio CODECs Audio CODEC plus pwr management
• Manufacturer: Wolfson Microelectronics

Specifications of WM8351GEB/V

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 48 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, 4-Wire)
• Resolution: 12 bit
• Operating Supply Voltage: 3.7 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: BGA
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Supply Current: 260 uA
• Thd Plus Noise: - 83 dB
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 8
• No. Of Output Channels: 6
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 95dB
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8351
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The configuration bits include:
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Typically, the final step in the sequence is a write to register R6, in order to:
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Duration control bits for the /RST reset signal (RSTB_TO)
GPIO pull-up / pull-down settings and debounce times (GPn_PD, GPn_PU, GPn_DB and
GP_DBTIME)
Alternate function and input/output selection for GPIO pins (GPn_FN, GPn_DIR and GPn_CFG)
Voltage settings for DC-DC converters and LDO regulators (DCn_VSEL and LDOn_VSEL)
Time slots for automatic start of all DC-DC converters, all LDO regulators and the Current Limit
Switch during startup (DCn_ENSLOT, LDOn_ENSLOT and LS_ENSLOT). Note that supplies
can be programmed to not start up automatically by setting the respective _ENSLOT bits to
0000.
Select the WM8351 device address on the primary control interface, using the DEV_ADDR bits.
Allow the WM8351 to proceed to startup. This is achieved by setting the CONFIG_DONE bit
(R6 bit 12) to 1.
Switch the control interface back to the primary interface (if desired), so that a host processor
can communicate with the WM8351. This is achieved by setting USE_DEV_PINS (R6 bit 15) to
0.
PD, March 2010, Rev 4.2
Production Data
114