ICS1531 Data Sheet - Preliminary
Chapter 6 Register Set
Table 6-2. Register Set Outline (Continued)
Register Register Name
Index
Register
Access
Bit #
Bit Name
Brief Description
Reset
Value
10h
Chip Ver
Read
7-0 Chip Ver
Read chip version 31 decimal (1F hex) as in 1531
1F
11h
Chip Rev
Read. IN-A.
Read
7-4 Chip Major Rev
3-0 Chip Minor Rev
Read initial value 00h.
+Value increments with chip revision.
Read initial value 01h.
00+
01+
+Value increments with chip revision.
12h
Rd_Reg
7-4 Reserved
Reserved
N/A
N/A
N/A
N/A
N/A
3
2
1
0
PNLCLK_Lock
MCLK_Lock
Pixel PLL_Lock
DPA_Lock
Read PNLCLK lock status
Read MCLK lock status
Read pixel PLL lock status
Read DPA lock status
13h-1Fh Reserved
N/A
0
20h
21h
22h
PNLCLK-M
PNLCLK-N
R/W. D-PK.
R/W. D-PK.
7-0 PNLCLK_M
7-0 PNLCLK_N
7-0 PNLCLK_SS0
Select value for PNLCLK M Reference Divider
Select value for PNLCLK N Feedback Divider
0
PNLCLK-SS0 R/W. D-PK.
PNLCLK-SS1 R/W. D-PK.
Select value for PNLCLK spread-spectrum counter
LSBs bits 7-0
0
23h
24h
7-4 Reserved
3-0 PNLCLK_SS1
Reserved
0
0
Select value for PNLCLK spread-spectrum counter
MSBs bits 11-8
PNLCLK-SSOE R/W. D-PK.
7-6 PNLCLK_SS
Select PNLCLK spread-spectrum gain
Reserved
Select PNLCLK Phase/Frequency Detector gain
Select value for PNLCLK Output Scaler Divider
0
0
0
0
5
Reserved
4-2 PNLCLK_PFD
1-0 PNLCLK_OSD
25h
PNLCLK-OE
R/W
7-3 Reserved
Reserved
Select input for PNLCLK PLL
0
0
0
0
2
1
0
CLK_SEL
PNLCLK_SSENB Enable PNLCLK spread-spectrum
PNLCLK_OE
Enable PNLCLK output
26h
27h
28h
29h
MCLK-M
R/W. D-MK.
R/W. D-MK.
R/W. D-MK.
R/W. D-MK.
7-0 MCLK_M
7-0 MCLK_N
7-0 MCLK_SS0
Select value for MCLK M Reference Divider
Select value for MCLK N Feedback Divider
Select MCLK spread-spectrum counter LSBs bits 7-0
0
0
0
MCLK-N
MCLK-SS0
MCLK-SS1
7-4 Reserved
3-0 MCLK_SS1
Reserved
0
0
Select MCLK spread-spectrum counter MSBs bits 11-8
2Ah
2Bh
MCLK-SSOE
MCLK-OE
R/W. D-MK.
7-6 MCLK_SS
Select MCLK spread-spectrum gain
Reserved
Select MCLK Phase/Frequency Detector gain
Select value for MCLK Output Scaler Divider
0
0
0
0
5
Reserved
4-2 MCLK_PFD
1-0 MCLK_OSD
R/W
7-2 Reserved
Reserved
Enable MCLK spread-spectrum
Enable MCLK output
0
0
0
1
0
MCLK_SSENB
MCLK_OE
ICS1531 Rev N 12/1/99
December, 1999
Copyright © 1999, Integrated Circuit Systems, Inc.
All rights reserved.
25
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