NT68520XF Datasheet, PDF (77/97 Pages) List of Unclassifed Manufacturers – XGA,SXGA Flat Panel Monitor Controller

D4 EN_FOB
D3
D2-1 VREG [1:0]
D0 SEL_DPLL
Default: 1100 X001B
Reserved
For PLL internal regulator adjust
Select PLL
0: Reserve
1: DPLL
D5H: Reserved
D6H: DPLL VCO Adjust (R/W)
Bits Name
Description
D7-6 DFRANGE [1:0] DPLL frequency range
00: 22~40 MHz
KVCO= 17MHz/V
01: 37~64 MHz
KVCO= 26MHz/V
10: 59~106 MHz KVCO= 48MHz/V
11: 97~167 MHz KVCO= 60MHz/V
D5-4 DCPI [1:0]
DPLL charge pump current
00: 100 uA
01: 200 uA
10: 400 uA
11: 800 uA
D3 DLOWICP
Lower the charge pump current by factor.
0: 1
1: 1.5
D2-0 DKVCO [2:0] KVCO adjust for process variation
100: Normal
below 100: Lower KVCO
above 100: Higher KVCO
Default: 1000 0100B
D7H: DPLL PFD Test (R/W)
Bits Name
Description
D7 EN_MONT
D6-5 MONT[1:0]
D4 TPFD2
D3-2 PFDMONT [1:0]
D1 TPFD
D0 TCNT
Default: 0000 0000B
D8H~D9H: Reserved for testing(R/W)
Bits Name
D7-0
Description
For scaler test
Default: XXXX XXXXB
2003/4/15
77
NT68520X,E
Ver.1.0