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
2Ch
OUTPUT MUX R/W
7
6
High_Drive
OE_OSC
Select drive strength for all ADC outputs
Enable OSCOUT output
Select output from 4-way MUX to OSCOUT
Reserved
Select REF status
Select PLL lock status
0
1
0
0
0
1
5-4 OSC_Sel
3
2
Reserved
REFSEL
1-0 LCKSEL
2Dh
PLL Reset
Write
7-4 MCLK_Reset
3-0 PNLCLK_Reset
Writing 5xh resets MCLK PLL and loads working Regs
26h to 2Bh.
Writing xAh resets PNLCLK PLL and loads working
Regs 20h to 25h.
N/A
N/A
2Eh-2Fh Reserved
N/A
30h
ADC CTRL
R/W
7
6
5
4
3
2
1
0
ADC_OE
ADC_Sel
ADC_Inv
Force_ADC
CLAMP_Pol
CLAMP_Sel
VA_Disable
FA_Disable
Enable ADC output
Select ADC capture
Invert ADC outputs
Force all ADC output buffers off
Select polarity of signal to a clamp
Select source to a clamp
Disable video amplifier
Disable fine adjust
0
0
1
0
0
0
0
0
31h
32h
33h
R_COARSE
G_COARSE
B_COARSE
R/W
R/W
R/W
7-6 Reserved
Reserved
4-2 Reserved
Reserved
Reserved
Reserved
0
1
0
0
5
1-0 R_Coarse_Adj
Adjust video amplifier gain to red channel of ADC
7-6 Reserved
Reserved
Reserved
Reserved
0
1
0
0
5
Reserved
4-2 Reserved
1-0 G_Coarse_Adj
Adjust video amplifier gain to green channel of ADC
7-6 Reserved
Reserved
Reserved
Reserved
0
1
0
0
5
Reserved
4-2 Reserved
1-0 B_Coarse_Adj
Adjust video amplifier gain to blue channel of ADC
34h
35h
36h
37h
R_FINE
G_FINE
B_FINE
PSEL
R/W
R/W
R/W
R/W
7-0 R_Fine_Adj
7-0 G_Fine_Adj
7-0 B_Fine_Adj
Adjust VRT for red channel of ADC
Adjust VRT for green channel of ADC
Adjust VRT for red channel of ADC
20
20
20
7
ADCRCLK_Inv
Invert ADCRCLK signal
Delay ADCRCLK signal
Reserved
Select access to Calibration/Test Regs
Select general-purpose programmable output 3
Select general-purpose programmable output 2
Select general-purpose programmable output 1
1
2
0
0
0
0
0
6-5 ADCRCLK_Del
4
3
2
1
0
Reserved
Cal_Access
PSEL3
PSEL2
PSEL1
38h
39h
R_COMP_OFF R/W
G_COMP_OFF R/W
7-4 R_C_O_B
3-0 R_C_O_A
Select red comparator offset, ‘B’ channel
Select red comparator offset, ‘A’ channel
7
7
7-4 G_C_O_B
3-0 G_C_O_A
Select green comparator offset, ‘B’ channel
Select green comparator offset, ‘A’ channel
7
7
ICS1531 Rev N 12/1/99
December, 1999
Copyright © 1999, Integrated Circuit Systems, Inc.
All rights reserved.
26
ICSI [ INTEGRATED CIRCUIT SOLUTION INC ]
