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參數資料
| 型號： | UDA1331H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | Universal Serial Bus USB Audio Playback Peripheral APP |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-319-2, QFP-64 |
| 文件頁數： | 20/40頁 |
| 文件大小： | 181K |
| 代理商： | UDA1331H |
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1998 Oct 06
20
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) Audio
Playback Peripheral (APP)
UDA1331H
11
GP1 and GP2 outputs
definition register
reserved
reserved
application GP2 function 2
7
6
5
0 = HID output 2
1 = LED output 2 (activated
when DBB is active)
0 = HID output 1
1 = LED output 1 (activated
when mute is active)
normal or inversed output
functionality:
0 = according Table 7
1 = inversed
application GP1 function 2
4
polarity GP2 function 1
polarity GP1 function 1
polarity GP2 function 2
polarity GP1 function 2
GP1 Usage Page if HID selected
GP1 Usage if HID selected
GP2 Usage Page if HID selected
GP2 Usage if HID selected
time between releasing standby and
enabling the audio output; steps of
20 ms
time between ‘no isochronous data
present’ and activating the mute
output; steps of 1 s; (only applicable
for function 1; no digital I/O
communication)
time between activating the mute
output and activating the standby
output; steps of 5 s; (only applicable
for function 1; no digital I/O
communication). When filled with zero
standby will not be activated.
default bass boost value on top of
Bass USB APP for Dynamic Bass
Boost (DBB); see Table 5
3
2
1
0
12
13
14
15
16
17
18
19
bass boost = register value; if
bass boost + Bass USB APP
is larger then the maximum
value of Table 5, the maximum
value is used (no bass boost
in flat mode)
volume =
register value
1A
1B
1C
1D
1E
1F
20
default volume value of USB APP
idVendor
high byte
idVendor
low byte
idProduct
high byte
idProduct
low byte
bmAttributes
maximum power steps of 2 mA with
maximum 500 mA
BYTE
(HEX)
REGISTER
NAME
COMMENTS
BIT
VALUE
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| UDA1334ATS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power audio DAC with PLL |
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| UDA1334ATSDH | 功能描述:數模轉換器- DAC AUDIO DAC LP RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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