Datasheet

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SLAS412− DECEMBER 2003
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49
REGISTER 1BH: PLL Programmability
BIT NAME
READ/
WRITE
RESET VALUE FUNCTION
D15 PLLSEL R/W 0 PLL Enable
0 => Disable PLL
1 => Enable PLL
D14−D11 QVAL R/W 0010 Q value. Valid only if PLL is disabled.
0000 => 16
0001 => 17
0010 => 2
0011 => 3
−−−−−
1100 => 12
1101 => 13
1110 => 14
1111 => 15
D10−D8 PVAL R/W 000 P value. Valid when PLL is enabled
000 => 8
001 => 1
010 => 2
011 => 3
100 => 4
101 => 5
110 => 6
111 => 7
D7−D2 JVAL R/W 000001 J value. Valid only if PLL is enabled.
000000 => Not valid
000001 => 1
000010 => 2
−−−−−
111110 => 62
111111 => 63
D1−D0 Reserved R 00 Reserved (write only 00)
REGISTER 1CH: PLL Programmability
BIT NAME
READ/
WRITE
RESET VALUE FUNCTION
D15−D2 DVAL R/W 0 (in decimal) D value. Used when PLL is enabled.
D value is valid from 0000 to 9999 in decimal.
Programmed value greater than 9999 is treated as 9999.
00000000000000 => 0 decimal
00000000000001 => 1 decimal
D1−D0 Reserved R 00 Reserved (write only 00)