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參數(shù)資料
| 型號(hào)： | TMC2490A |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Multistandard Digital Video Encoder |
| 中文描述： | 多標(biāo)準(zhǔn)數(shù)字視頻編碼器 |
| 文件頁數(shù)： | 3/36頁 |
| 文件大?。?/td> | 510K |
| 代理商： | TMC2490A |
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PRODUCT SPECIFICATION
TMC2490A
3
Pin Assignments
Pin Descriptions
Pin Name
Clock
PXCK
Pin Number
Value
Pin Function Description
25
TTL
Pixel Clock Input.
to generate the internal pixel clock. PXCK drives the entire
TMC2490A, except the asynchronous microprocessor interface.
All internal registers are strobed on the rising edge of PXCK.
This 27.0 MHz clock is internally divided by 2
Data Input Port
PD
7-0
38–44, 3
TTL
Pixel Data Inputs.
PD
7-0
(Figure 1).
Video data enters the TMC2490A on
Microprocessor Interface
D
7-0
9–12, 14–17
TTL
Data I/O, General Purpose I/O, Chroma Input Port.
is HIGH, all control parameters are loaded into and read back
over this 8-bit port. When SER = LOW, D
composite sync output, D
1
outputs a burst flag during the back
porch, D
2-5
are General Purpose Outputs, and D
Purpose Inputs.
Master Reset Input.
Bringing RESET LOW forces the internal
state machines to their starting states and disables all outputs.
Serial/Parallel Port Select.
When SER is LOW, SA
conjunction with SA
0
selects one of four addresses for the
TMC2490A.
Serial/Parallel Port Select.
When SER is LOW, SA
conjunction with SA
1
selects one-of-four addresses for the
TMC2490A. When SER is HIGH, this control governs whether the
parallel microprocessor interface selects a table address or
reads/writes table contents.
When SER
0
can serve as a
6-7
are General
RESET
22
TTL
SA
1
4
TTL
1
in
SA
0
, ADR
5
TTL
0
in
65-2490(1)A-02
SCL/CS
SER
D
7
D
6
D
5
D
4
GND
D
3
D
2
D
1
D
0
PD
6
PD
7
V
DD
GND
CHROMA
V
DDA
C
BYP
LUMA
GND
COMPOSITE
GND
S
S
0
/
S
1
P
0
G
V
D
P
1
P
2
P
3
P
4
P
5
H
V
C
S
R
V
D
G
P
V
D
V
R
R
R
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
1
1
2
2
2
2
2
2
2
2
2
6
5
4
3
2
1
4
4
4
4
4
TMC2490A
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMC2490AR2C | 功能描述:視頻 IC Dig Video Decoder Multistandard RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC2490AR2CT | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC249A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Current Microstep Stepper Motor Driver with sensorless stall detection, protection / diagnostics and SPI Interface |
| TMC249-A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Current Microstep Stepper Motor Driver with Sensorless Stall D e t e c t i o n ,P rotection / Diagnosis and SPI Interface |
| TMC249A-LA | 制造商:Trinamic 功能描述:IC BRIDGE DRIVER SPI/ANLG 32QFN |
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