UCB1510DB 데이터 시트보기 (PDF) - Philips Electronics
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UCB1510DB Datasheet PDF : 32 Pages
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Philips Semiconductors
UCB1510
AC97 digital modem codec
11.2.4 Line 1 DAC/ADC Level
Table 11: Line 1 DAC/ADC Level Register
Register address: 0x46; default: 0x8080
Bit
D15
D14
D13
D12
Symbol DAC
mute
Bit
D7
D6
D5
D4
Symbol ADC
mute
D11
D10
D9
D8
D3
ADC3
D2
ADC2
D1
ADC1
D0
ADC0
Table 12: Description of Line1 DAC/ADC Level bits
Bit
Symbol Function/Value
D15 DAC mute DAC section is active, but no signal will be sent.
D7
ADC mute ADC section is active, but no signal will be sent.
D3-D2 ADC[3:2] ADC Gain (0 -> 0 dB, 1 -> 6 dB, 2 -> 12 dB, 3 -> 18 dB)
D1-D0 ADC[1:0] These bits are ignored.
11.2.5 GPIO Pin Configuration
Table 13: GPIO Pin Configuration Register
Register address: 0x4C; default: 0x00FF
Bit
D15
D14
D13
D12
Symbol
Bit
D7
D6
D5
D4
Symbol GC7
GC6
GC5
GC4
D11
D3
GC3
D10
D2
GC2
D9
D1
GC1
D8
D0
GC0
The GPIO Pin Configuration register specifies whether a GPIO pin is configured for
input (1) or for output (0).
11.2.6 GPIO Pin Polarity
Table 14: GPIO Pin Polarity Register
Register address: 0x4E; default: 0xFFFF
Bit
D15
D14
D13
Symbol
Bit
D7
D6
D5
Symbol GP7
GP6
GP5
D12
D4
GP4
D11
D3
GP3
D10
D2
GP2
D9
D1
GP1
D8
D0
GP0
The GPIO Pin Polarity register defines GPIO Input Polarity (0 = Low, 1 = High) when
a GPIO pin is configured as an input.
9397 750 06856
Preliminary specification
Rev. 01 — 4 February 2000
© Philips Electronics N.V. 2000. All rights reserved.
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