adau1381 Analog Devices, Inc., adau1381 Datasheet - Page 73
adau1381
Manufacturer Part Number
adau1381
Description
Low-noise Stereo Codec With Enhanced Recording And Playback Processing
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADAU1381.pdf
(84 pages)
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Register 16431 (0x402F), Communication Port Pad
Control 0
Bits[7:6], CDATA Pad Pull-Up/Pull-Down
These bits enable or disable a weak pull-up or pull-down device
on the pad. The effective resistance of the pull-up or pull-down
is nominally 240 kΩ.
Bits[5:4], CLATCH Pad Pull-Up/Pull-Down
These bits enable or disable a weak pull-up or pull-down device
on the pad. The effective resistance of the pull-up or pull-down
is nominally 240 kΩ.
Table 61. Communication Port Pad Control 0 Register
Bits
[7:6]
[5:4]
[3:2]
[1:0]
Description
CDATA pad pull-up/pull-down
00: pull-up
01: reserved
10: none (default)
11: pull-down
CLATCH pad pull-up/pull-down
00: pull-up
01: reserved
10: none (default)
11: pull-down
SCL/CCLK pad pull-up/pull-down
00: pull-up
01: reserved
10: none (default)
11: pull-down
SDA/COUT pad pull-up/pull-down
00: pull-up
01: reserved
10: none (default)
11: pull-down
Rev. A| Page 73 of 84
Bits[3:2], SCL/CCLK Pad Pull-Up/Pull-Down
These bits enable or disable a weak pull-up or pull-down device
on the pad. The effective resistance of the pull-up or pull-down
is nominally 240 kΩ.
Bits[1:0], SDA/COUT Pad Pull-Up/Pull-Down
These bits enable or disable a weak pull-up or pull-down device
on the pad. The effective resistance of the pull-up or pull-down
is nominally 240 kΩ.
Default
11
00
11
11
ADAU1381
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