參數(shù)資料
型號: UDA1325
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Universal Serial Bus USB CODEC
中文描述: 通用串行總線解碼器
文件頁數(shù): 26/52頁
文件大?。?/td> 310K
代理商: UDA1325
1999 May 10
26
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) CODEC
UDA1325
Table 19
Clock shop register
Table 20
Reset control and APLL register
ADDRESS
REGISTER
COMMENTS
BIT
VALUE
1000h
clock shop settings
selection ADC clock source
7
0 = ADC clock from APLL
1 = ADC clock from OSCAD
00 = ADC clock divided-by-1
01 = ADC clock divided-by-2
10 = ADC clock divided-by-4
11 = ADC clock divided-by-8
0 = enable
1 = disable
0 = enable
1 = disable
0 = enable
1 = disable
0 = enable
1 = disable
0 = power on
1 = power off
divide factor Q
6 and 5
clock ADAC
4
clock 48 MHz internal
3
clock recovered by PSIE
2
ADC clock
1
OSCAD oscillator
0
ADDRESS
REGISTER
COMMENTS
BIT
VALUE
1001h
reset control and APLL
settings
fcode (1 and 0)
clock frequency selection APLL
7 and 6
00 = 256
×
44.1 kHz
01 = 256
×
32 kHz
10 = 256
×
48 kHz
11 = 256
×
44.1 kHz
X
0 = reset off
1 = reset on
0 = reset off
1 = reset on
0 = reset off
1 = reset on
0 = reset off
1 = reset on
X
reserved
reset ADAC
5
4
reset MMU
3
reset digital I/O-interface
2
reset ADIF
1
reserved
0
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