ch7305 Chrontel, ch7305 Datasheet - Page 19

• Manufacturer Part Number: ch7305
• Description: Ch7305 Single/dual Channel Lvds Transmitter
• Manufacturer: Chrontel

CHRONTEL
Device ID Register
Register DID is a read only register containing the device ID number of the CH7305
the state of the CONFIG pin, pin39 (bit 5 of register 4Bh will update accordingly).
LVDS Power Down
LVDSPD (bit 6) of Register LPD controls the LVDS power down. When LVDSPD is ‘0’ the LVDS path is ON, when
LVDSPD is ‘1’ the LVDS path is powered down.
LVDS Encoding 1 Register
LDI (bit 0) of Register LVDSE1 controls OpenLDI specification selection. A ‘1’ corresponds to OpenLDI, and a ‘0’
corresponds to SPWG. See Section 2.2.1 for more details.
LEOSWP (bit 1) of Register LVDSE1 provides the added flexibility to swap odd/even samples output on the LVDS
link.
LDD (bit 3) of Register LVDSE1 bypasses the dither function. A ‘1’ bypasses the dither function. A ‘0’ does not bypass
the dither function.
201-0000-054
DEFAULT:
DEFAULT:
DEFAULT:
SYMBOL:
SYMBOL:
SYMBOL:
TYPE:
TYPE:
TYPE:
BIT:
BIT:
BIT:
Product Number
Reserved
Reserved
DID7
R/W
R/W
Rev. 1.31, 6/14/2006
R
7
0
7
0
7
0
CH7305
CH7305
LVDSPD
Reserved
DID6
R/W
R/W
R
6
0
6
0
6
0
CONFIG
LVDS24 LVDSDC
Reserved
DID5
R/W
R/W
0
1
X
R
5
0
5
0
5
Reserved
DID4
R/W
R/W
R
4
0
4
1
4
0
Device ID
3Bh
1Bh
Reserved
DID3
LDD
R/W
R/W
R
3
1
3
0
3
1
Symbol:
Address:
Symbol:
Address:
Symbol:
Address:
Reserved
Reserved
DID2
R/W
R/W
family.
R
2
0
2
0
2
1
The Device ID depends on
LEOSWP
Reserved
DID1
DID
4Bh
LPD
63h
LVDSE1
64h
R/W
R/W
R
1
1
1
0
1
0
CH7305
Reserved
DID0
R/W
R/W
LDI
R
0
1
0
0
0
1
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