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ADAU1361BCPZ-R7 Arkusz danych(PDF) 72 Page - Analog Devices

Numer części ADAU1361BCPZ-R7
Szczegółowy opis  Audio Codec
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Strona internetowa  http://www.analog.com
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ADAU1361BCPZ-R7 Arkusz danych(HTML) 72 Page - Analog Devices

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ADAU1361
Data Sheet
Rev. D | Page 72 of 80
R40: Control Port Pad Control 0, 16,431 (0x402F)
The optional pull-up/pull-down resistors are nominally 250 kΩ. When enabled, these pull-up/pull-down resistors set the control port
signals to a defined state when the signal source becomes three-state.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CDATP[1:0]
CLCHP[1:0]
SCLP[1:0]
SDAP[1:0]
Table 67. Control Port Pad Control 0 Register
R41: Control Port Pad Control 1, 16,432 (0x4030)
With IOVDD set to 3.3 V, the low and high drive strengths of the SDA/COUT pin are approximately 2.0 mA and 4.0 mA, respectively.
With IOVDD set to 1.8 V, the low and high drive strengths are approximately 0.8 mA and 1.7 mA, respectively. The high drive strength
mode may be useful for generating a stronger ACK pulse in I2C mode, if needed.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
SDASTR
Table 68. Control Port Pad Control 1 Register
Bits
Bit Name
Description
[7:6]
CDATP[1:0]
CDATA pad pull-up/pull-down configuration.
Setting
Configuration
00
Pull-up
01
Reserved
10
None (default)
11
Pull-down
[5:4]
CLCHP[1:0]
CLATCH pad pull-up/pull-down configuration.
Setting
Configuration
00
Pull-up
01
Reserved
10
None (default)
11
Pull-down
[3:2]
SCLP[1:0]
SCL/CCLK pad pull-up/pull-down configuration.
Setting
Configuration
00
Pull-up
01
Reserved
10
None (default)
11
Pull-down
[1:0]
SDAP[1:0]
SDA/COUT pad pull-up/pull-down configuration.
Setting
Configuration
00
Pull-up
01
Reserved
10
None (default)
11
Pull-down
Bits
Bit Name
Description
0
SDASTR
SDA/COUT pin drive strength.
0 = low (default).
1 = high.



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