ch7019 Chrontel, ch7019 Datasheet - Page 55

• Manufacturer Part Number: ch7019
• Description: Ch7019 Tv Encoder / Lvds Transmitter
• Manufacturer: Chrontel

CHRONTEL
Power Management Register
TVPD (bit 0) of register PM controls the TV Out block power down. When TVPD is ‘0’ the TV block is ON. When
TVPD is ‘1’ the TV block is powered down.
DACPD[3:0] (bits 4:1) of register PM control DAC0 through DAC3 Power Down. DAC0 through DAC3 will be turned
on only if TVPD bit is set to ‘0’. If TVPD bit is set to ‘1’, then DAC0 through DAC3 will be in power down state
regardless of DACPD0 through DACPD3 state.
TV (bit 5) of register PM enables the TV path. When TV is ‘0’, the TV data path is disabled. When TV is ‘1’ the TV
data path is enabled.
Version ID Register
Register VID is a read only register containing the version ID number of the CH7019 family.
Note:
The Current Version ID of CH7019B is 88h.
201-0000-048
DEFAULT:
DEFAULT:
SYMBOL:
SYMBOL:
TYPE:
TYPE:
BIT:
BIT:
Table 32: DAC Power Down Control
7
Reserved Reserved
TVPD
VID7
R/W
Rev. 2.4,
0
0
0
0
0
1
R
0
1
7
6
DACPD[3:0]
VID6
12/18/2006
R/W
R
0
6
0
0000
0001
0010
0100
1000
xxxx
5
VID5
R/W
TV
R
0
5
0
Functional Description
All DACs on
DAC 0 powered down, DACs 1, 2, 3 on
DAC 1 powered down, DACs 0, 2, 3 on
DAC 2 powered down, DACs 0, 1, 3 on
DAC 3 powered down, DACs 0, 1, 2 on
All DACs powered down
4
DACPD3 DACPD2 DACPD1 DACPD0
VID4
R/W
R
0
4
0
3
VID3
R/W
R
0
3
1
Symbol:
Address:
Bits:
2
VID2
R/W
R
0
2
0
Symbol:
Address:
Bits:
1
VID1
R/W
VID
4Ah
8
R
0
1
0
CH7019B
PM
49h
6
0
TVPD
VID0
R/W
R
1
0
0
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