0 |
0 |
Deserializer Config 1 |
7 |
R/W |
0 |
LFMODE |
0: 20 to 65 MHz Operation
1: 5 to 20 MHz Operation |
6 |
R/W |
0 |
OS_PCLK |
0: Normal PCLK Output Slew
1: Increased PCLK Slew |
5 |
R/W |
0 |
OS_DATA |
0: Normal DATA OUTPUT Slew
1: Increased Data Slew |
4 |
R/W |
0 |
RFB |
0: Data strobed on Falling edge of PCLK
1: Data strobed on Rising edge of PCLK |
3:2 |
R/W |
00 |
CONFIG |
00: Normal Mode, Control Signal Filter Disabled
01: Normal Mode, Control Signal Filter Enabled
10: Backwards-Compatible (DS90UR241)
11: Backwards-Compatible (DS90C241) |
1 |
R/W |
0 |
SLEEP |
Note – not the same function as PowerDown (PDB)
0: normal mode
1: Sleep Mode – Register settings retained. |
0 |
R/W |
0 |
REG Control |
0: Configurations set from control pins / STRAP pins
1: Configurations set from registers (except I2C_ID) |
1 |
1 |
Slave ID |
7 |
R/W |
0 |
|
0: Address from ID[X] Pin
1: Address from Register |
6:0 |
R/W |
1110000 |
ID[X] |
Serial Bus Device ID, Four IDs are:
7b '1110 001 (h'71)
7b '1110 010 (h'72)
7b '1110 011 (h'73)
7b '1110 110 (h'76)
All other addresses are Reserved. |
2 |
2 |
Deserializer Features 1 |
7 |
R/W |
0 |
OP_LOW Release/Set |
0: set outputs state LOW (except LOCK)
1: release output LOW state, outputs toggling normally
Note: This register only works during LOCK = 1. |
6 |
R/W |
0 |
OSS_SEL |
Output Sleep State Select
0: PCLK/RGB[7:0]/HS/VS/DE = L, LOCK = Normal, PASS = H
1: PCLK/RGB[7:0]/HS/VS/DE = Tri-State, LOCK = Normal, PASS = H |
5:4 |
R/W |
00 |
MAP_SEL |
Special for Backwards-Compatible Mode
00: bit 4, 5 on LSB
01: LSB zero if all data is zero; one if any data is one
10: LSB zero
11: LSB zero |
3 |
R/W |
0 |
OP_LOW strap bypass |
0: strap will determine whether OP_LOW feature is ON or OFF
1: Turns OFF OP_LOW feature |
2:0 |
R/W |
00 |
OSC_SEL |
000: OFF
001: 50 MHz ±40%
010: 25 MHz ±40%
011: 16.7 MHz ±40%
100: 12.5 MHz ±40%
101: 10 MHz ±40%
110: 8.3 MHz ±40%
111: 6.3 MHz ±40% |
3 |
3 |
Deserializer Features 2 |
7:5 |
R/W |
000 |
EQ Gain |
000: ≈1.625 dB
001: ≈3.25 dB
010: ≈4.87 dB
011: ≈6.5 dB
100: ≈8.125 dB
101: ≈9.75 dB
110: ≈11.375 dB
111: ≈13 dB |
4 |
R/W |
0 |
EQ Enable |
0: EQ = disabled
1: EQ = enabled |
3:0 |
R/W |
0000 |
SSC |
IF LF_MODE = 0, then:
000: SSCG OFF
0001: fdev = ±0.5%, fmod = PCLK/2168
0010: fdev = ±1.0%, fmod = PCLK/2168
0011: fdev = ±1.5%, fmod = PCLK/2168
0100: fdev = ±2.0%, fmod = PCLK/2168
0101: fdev = ±0.5%, fmod = PCLK/1300
0110: fdev = ±1.0%, fmod = PCLK/1300
0111: fdev = ±1.5%, fmod = PCLK/1300
1000: fdev = ±2.0%, fmod = PCLK/1300
1001: fdev = ±0.5%, fmod = PCLK/868
1010: fdev = ±1.0%, fmod = PCLK/868
1011: fdev = ±1.5%, fmod = PCLK/868
1100: fdev = ±2.0%, fmod = PCLK/868
1101: fdev = ±0.5%, fmod = PCLK/650
1110: fdev = ±1.0%, fmod = PCLK/650
1111: fdev = ±1.5%, fmod = PCLK/650
IF LF_MODE = 1, then:
000: SSCG OFF
0001: fdev = ±0.5%, fmod = PCLK/620
0010: fdev = ±1.0%, fmod = PCLK/620
0011: fdev = ±1.5%, fmod = PCLK/620
0100: fdev = ±2.0%, fmod = PCLK/620
0101: fdev = ±0.5%, fmod = PCLK/370
0110: fdev = ±1.0%, fmod = PCLK/370
0111: fdev = ±1.5%, fmod = PCLK/370
1000: fdev = ±2.0%, fmod = PCLK/370
1001: fdev = ±0.5%, fmod = PCLK/258
1010: fdev = ±1.0%, fmod = PCLK/258
1011: fdev = ±1.5%, fmod = PCLK/258
1100: fdev = ±2.0%, fmod = PCLK/258
1101: fdev = ±0.5%, fmod = PCLK/192
1110: fdev = ±1.0%, fmod = PCLK/192
1111: fdev = ±1.5%, fmod = PCLK/192 |
4 |
4 |
CMLOUT Config |
7 |
R/W |
0 |
Repeater Enable |
0: Output CMLOUTP/N = disabled
1: Output CMLOUTP/N = enabled |
6:0 |
R/W |
0000000 |
Reserved |
Reserved |