wm9705seft-v Wolfson Microelectronics plc, wm9705seft-v Datasheet - Page 17
wm9705seft-v
Manufacturer Part Number
wm9705seft-v
Description
Multimedia Ac?97 Codec With Integrated Touch Screen Controller
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9705SEFT-V.pdf
(55 pages)
- Current page: 17 of 55
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WM9705
NON - AC’97 FEATURES
w
In addition to the AC’97 features offered, WM9705 also supports:
4-wire pen digitiser with integrated screen driver, featuring highly flexible modes of operation,
supporting autonomous screen conversions, and auxiliary conversions. Screen X and Y
connections driven from AUX and VID stereo input pins, which are still connected.
Headphone drive capability on MONO output, with extra signal routing switch PSEL, allowing
PHONE input to be routed to MONO output
Extra switch HPND after the mixer allowing MIX without DAC signal to be output to headphone
outputs, and so allowing DAC with no MIX to be output to LINE outputs.
I
audio DAC for multi-channel solutions. SPDIF output may be hardware enabled.
Option to route the stereo audio ADC output to the SPDIF and/or I
Auto-detect of headphones or headset plugged into the AUX headphone outputs, with internal
routing of microphone signal from the headphone pin to the MIC1 input.
Battery monitoring input BMON that supports direct connection to battery voltages up to 6.5V.
MPM switch allowing mix of DAC + mixer output onto MONOUT and independent mix of DAC +
PHONE and/or PCBEEP onto LINEOUT or HPOUT.
Reset powerdown override – holding MASK high in reset overrides the PR bits forcing the
WM9705 into a low power mode
2
S audio output capability, in addition to SPDIF output, allowing support of an extra external
2
S digital outputs
PD Rev 4.5 July 2008
Production Data
17
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