参数资料
型号: PM4314
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: QUAD T1/E1 LINE INTERFACE DEVICE
中文描述: DATACOM, PCM TRANSCEIVER, PQFP128
封装: 14 X 20 MM, PLASTIC, QFP-128
文件页数: 96/170页
文件大小: 823K
代理商: PM4314
PM4314 QDSX
DATA SHEET
PMC-950857
ISSUE 5
QUAD T1/E1 LINE INTERFACE DEVICE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
84
Registers 01EH, 05EH, 09EH and 0DEH: DJAT Output Clock Divisor (N2)
Control
Bit
Type
Function
Default
Bit 7
R/W
N2[7]
0
Bit 6
R/W
N2[6]
0
Bit 5
R/W
N2[5]
1
Bit 4
R/W
N2[4]
0
Bit 3
R/W
N2[3]
1
Bit 2
R/W
N2[2]
1
Bit 1
R/W
N2[1]
1
Bit 0
R/W
N2[0]
1
These registers define an 8-bit binary number, N2, which is one less than the
magnitude of the divisor used to scale down the DJAT smooth output clock
signal. The output clock divisor magnitude, (N2+1), is the ratio between the
frequency of the smooth output clock and the frequency applied to the phase
discriminator input.
Writing to this register will reset the PLL and, if the SYNC bit is high, will also
reset the FIFO.
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