BT8954 CONEXANT [Conexant Systems, Inc], BT8954 Datasheet - Page 48

• Manufacturer Part Number: BT8954
• Description: VOICE PAIR GAIN FRAMER
• Manufacturer: CONEXANT [Conexant Systems, Inc]

3.0 Circuit Descriptions
3.9 PLL
Table 3-6. PLL_C Register Bit Representation of PLL_W and PLL_Y
Table 3-7. PLL_P Register Bit Representation of P_FACTOR
3-26
PLL_P[1]
204.800 MHz
196.608 MHz
0
0
0
0
0
0
1
1
f
PLL
PLL_P[0]
PLL_C[2]
0
0
0
1
1
1
0
1
0
0
0
PLL_SCALE register [0xB5.4:2], as given in
selected in the PLL_SCALE register to control the internal GCLK frequency, as
detailed in
PLL_W
PLL_C[1]
10
24
32
10
24
32
PLL_W and PLL_Y are represented by the PLL_C[2:0] register bits of the
X
X
0
0
1
Table
P_FACTOR
PLL_C[0]
10
12
3-7.
5
6
4
8
4
8
0
1
0
Conexant
PLL_W
f
GCLK
10
24
= f
PLL
f
f
f
f
f
PLL
PLL
f
f
f
PLL
PLL
PLL
PLL
PLL
PLL
/ P_FACTOR
/ 10
/ 12
20.480 MHz
/ 5
/ 6
/ 4
/ 8
/ 4
/ 8
8.192 MHz
f
ADPCMCK
Table
3-6. PLL_P bits are also
PLL_Y
Max
10
Voice Pair Gain Framer
4
µ
P Freq = f
f
f
f
f
f
f
PLL
PLL
f
PLL
PLL
PLL
f
PLL
PLL
PLL
/ 10
/ 12
/ 20
/ 24
/ 16
/ 16
/ 8
/ 8
2.048 MHz
2.048 MHz
f
N8954DSC
PCMCKO
GCLK
Bt8954
/2