PRELIMINARY
PCT1789W DATA SHEET
PCT789T-A CONTROL REGISTERS
!!
CLK1 Divider
(Register 5, W)
CLK1D[7:0]
7
6
5
4
3
2
1
0
Bit Definitions:
Bits
Name
CLK1D[7:0]
Description
7:0
CLK1 divider register provides a programmable divider for generating CLK1 out-
put for various CODEC from the crystal oscillator input.
CLK1D[7] CLK1D[6]
Function
0
0
1
1
0
1
0
1
*2 invert
*2
/1
/2
CLK1D[5] CLK1D[4] CLK1D[3]
Function
DIVA =1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
DIVA = 2
DIVA = 3
DIVA =4
DIVA = 5
DIVA = 6
Reserved
DIVA = 8
CLK1D[2] CLK1D[1] CLK1D[0]
Function
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
DIVB=1
DIVB=2.5
DIVB=3
DIVB=3.5
DIVB=4
DIVB=4.5
DIVB=5
DIVB=5.5
PRELIMINARY
PC-TEL, Inc.
40
1789W0DOCDAT06A-0299
ETC [ ETC ]
