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
divide factor Q 6 and 5 00 = ADC clock divided-by-1
01 = ADC clock divided-by-2
10 = ADC clock divided-by-4
11= ADC clock divided-by-8
clock ADAC 4 0 = enable
1 = disable
clock 48 MHz internal 3 0= enable
1 = disable
clock recovered by PSIE 2 0 = enable
1 = disable
ADC clock 1 0 = enable
1 = disable
OSCAD oscillator 0 0 = power on
1 = power off
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
reserved 5 X
reset ADAC 4 0 = reset off
1 = reset on
reset MMU 3 0= reset off
1 = reset on
reset digital I/O-interface 2 0 = reset off
1 = reset on
reset ADIF 1 0 = reset off
1 = reset on
reserved 0 X