ICS1531 Data Sheet - Preliminary
Chapter 6 Register Set
6.5.15 Register 12h: Rd_Reg
The Rd_Reg (Read Register) is used to read the lock status of the four PLLs on the ICS1531.
Table 6-16. Rd_Reg Register
Bit
Bit Name
Bit Definition
Ac- Spec. Re-
cess Func.
set
12:7- Reserved
12:4
Reserved.
Read
–
N/A
B•ecTahuesseethbeitssecbaintsnoatreberepardo-gornalmy:med.
• Information on these bits can be ignored.
P•NL0C=LTKhLeoPcNkL(CSLtaKtuiss)‘u. nlocked’.
12:3
12:2
12:1
12:0
PNLCLK_Lock
Read
Read
Read
Read
–
–
–
–
N/A
N/A
N/A
N/A
• 1 = The PNLCLK is ‘locked’.
MCLK_Lock
Pixel PLL_Lock
DPA_Lock
MCLK Lock (Status).
• 0 = The MCLK is ‘unlocked’.
• 1 = The MCLK is ‘locked’.
P•ixe0l=PThhaesep-iLxoelcPkeLdL iLso‘uonploLcokcekd’(.Status).
• 1 = The pixel PLL is ‘locked’.
D•yn0a=mTichePhDaPsAeiAsd‘ujunlsotcLkeodc’k. (Status).
• 1 = The DPA is ‘locked’.
6.5.16 Register 13h-1Fh: Reserved
These registers are reserved. (See Section 6.1, “Reserved Bits”.)
ICS1531 Rev N 12/1/99
December, 1999
Copyright © 1999, Integrated Circuit Systems, Inc.
All rights reserved.
37
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