wm8802scft/v Wolfgang Knap, wm8802scft/v Datasheet - Page 10
wm8802scft/v
Manufacturer Part Number
wm8802scft/v
Description
Digital Audio Interface Transceiver
Manufacturer
Wolfgang Knap
Datasheet
1.WM8802SCFTV.pdf
(65 pages)
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WM8802
DEVICE DESCRIPTION
INITIAL SYSTEM SETTINGS
SYSTEM RESET (XMODE)
w
The system operates normally when XMODE is set to High after applying a supply voltage of 3.0V or
greater. Following power ON, the system is reset by setting XMODE to Low again.
A 10k
If EMPHA/UO, AUDIO /VO, CKST , and INT are not pulled up or down, their state is undefined. A
pull-up or pull-down resistor should always be connected to these pins.
Table 1 Pin Names and Settings
Figure 3 Setting Timing Chart of Function Setting Input Pins
INT for the following:
Chip address
Demodulation function master or slave
Modulation function or general-
purpose I/O function
Set pin state
chip address
demodulation function master or slave
modulation function or general-purpose I/O function settings
XMODE
DVDD
pull-down or pull-up resistor can be used to set EMPHA/UO, AUDIO /VO, CKST and
3.0V
SETTING
Undefined
3.3V
Normal system operation range
Setting input
Min 200 s
state
EMPHA/UO, AUDIO /VO
CKST
INT
Setting completed
Output state
Setting input
state
PINS
PP Rev 1.1 April 2004
Output state
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