SPRS293A − OCTOBER 2005 − REVISED NOVEMBER 2005
52
POST OFFICE BOX 1443
•
HOUSTON, TEXAS 77251−1443
PLL and PLL controller (continued)
OSCDIV1
Register (0x01B7 C124)
31
28
27
24
23
20
19
16
Reserved
R−0
15
14
12
11
8
7
5
4
3
2
1
0
OD1EN
Reserved
OSCDIV1
R/W−1
R−0
R/W−0 0111
Legend: R = Read only, R/W = Read/Write; -n = value after reset
The OSCDIV1 register controls the oscillator divider 1 for CLKOUT3. The CLKOUT3 signal does not go through
the PLL path.
Table 31. Oscillator Divider 1 Register (OSCDIV1)
BIT #
NAME
DESCRIPTION
31:16
Reserved
Reserved. Read-only, writes have no effect.
15
OD1EN
Oscillator Divider 1 Enable.
0
–
Oscillator Divider 1 Disabled.
1
–
Oscillator Divider 1 Enabled (default).
14:5
Reserved
Reserved. Read-only, writes have no effect.
4:0
OSCDIV1
Oscillator Divider 1 Ratio [default is /8 (0 0111)].
00000 =
/1
10000 =
/17
00001 =
/2
10001 =
/18
00010 =
/3
10010 =
/19
00011 =
/4
10011 =
/20
00100 =
/5
10100 =
/21
00101 =
/6
10101 =
/22
00110 =
/7
10110 =
/23
00111
=
/8
10111
=
/24
01000 =
/9
11000 =
/25
01001 =
/10
11001 =
/26
01010 =
/11
11010 =
/27
01011 =
/12
11011
=
/28
01100 =
/13
11100
=
/29
01101 =
/14
11101
=
/30
01110
=
/15
11110
=
/31
01111
=
/16
11111
=
/32