參數(shù)資料
型號: CH7003B-V
廠商: Electronic Theatre Controls, Inc.
英文描述: Digital PC to TV Encoder
中文描述: 數(shù)碼電腦電視編碼器
文件頁數(shù): 49/50頁
文件大小: 334K
代理商: CH7003B-V
CHRONTEL
Electrical Specifications
(continued)
CH7003B
201-0000-023 Rev 4.1, 8/2/99
49
Table 38. Timing - Graphics
Table 36. Digital Inputs/Outputs
Symbol
V
SDOL
Description
Test Condition
IOL = 3.2 mA
Min
Typ
Max
0.4
Unit
V
SD Output
Low Voltage
SD Input
High Voltage
SD Input
Low Voltage
D[0-15] Input
High Voltage
D[0-15] Input
Low Voltage
P-OUT Output
High Voltage
P-OUT Output
Low Voltage
V
IICIH
3.4
V
DD
+ 0.5
V
V
IICIL
GND-0.5
1.4
V
V
DATAIH
2.5
DVDD+0.5
V
V
DATAIL
GND-0.5
0.8
V
V
P-OUTOH
IOL = - 400
μ
A
2.8
V
V
P-OUTOL
IOL = 3.2 mA
0.2
V
Note:
1.
V
IIC
- refers to I2C pins SD and SC.
2.
V
DATA
- refers to all digital pixel and clock inputs.
3.
V
SD
- refers to I2C pin SD as an output
4.
V
P-OUT
- refers to pixel data output.
Table 37. Timing - TV Encoder
Symbol
t
P1
t
PH1
tdc1
t
P2
t
PH2
tdc2
t
P3
t
PH3
tdc3
Description
Min
Typ
Max
Unit
Pixel Clock Period
Pixel Clock High Time
Pixel Clock Duty Cycle (t
PH1
/t
P1
)
Pixel Clock Period
Pixel Clock High Time
Pixel Clock Duty Cycle (t
PH2
/t
P2
)
Pixel Clock Period
Pixel Clock High Time
Pixel Clock Duty Cycle (t
PH3
/t
P3
)
20
8
40
10
50
25
60
25
nS
nS
%
nS
nS
%
nS
nS
%
50
40
10
50
60
17
40
50
60
Symbol
t
HSW
tHD
t
SP1,
t
SP2,
t
SP3
Description
Min
Typ
Max
Unit
t
p
nS
nS
Horizontal Sync Pulse Width
Pixel Clock to Horizontal Leading Edge Delay
Setup time from Pixel Data to Pixel Clock
1
2
2
17
t
HP1,
t
HP2,
t
HP3
Hold time from Pixel Clock to Pixel Data
2
nS
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