參數(shù)資料
型號： TPU3040
廠商： MICRONAS SEMICONDUCTOR HOLDING AG
英文描述： CONNECTOR ACCESSORY
中文描述： 連接器附件
文件頁數(shù)： 12/73頁
文件大小： 1183K
代理商： TPU3040
PRELIMINARY DATA SHEET
TPU 3035, TPU 3040
MICRONAS INTERMETALL
12
Pin Connections and Short Descriptions,
continued
Pin No.
44-pin PLCC
Pin No.
40-pin PDIP
Signal Name
Type
Symbol
35
10
Digital Ground
Supply
DGND
36
9
Fast Blank Output
Color Address Bus 3
Output
Output
FBOUT
COLOR3
37
8
Analog Blue Output
Color Address Bus 2
Output
Output
BOUT
COLOR2
38
7
Analog Green Output
Color Address Bus 1
Output
Output
GOUT
COLOR1
39
6
Analog Red Output
Color Address Bus 0
Output
Output
ROUT
COLOR0
40
5
Analog Ground
Supply
AGND
41
4
Analog Supply Voltage
Supply
AVSUP
42
3
Analog Composite Video 1
Input
VIN1
43
2
Analog Signal Ground
Supply
SGND
44
–
Analog Composite Video 2
Input
VIN2
3.3. Pin Descriptions
Pin 1 –
VRT
Reference Voltage Top (Fig. 3–5)
This pin is connected to the internally-stabilized refer-
ence voltage of the A/D converter which is derived from
the V
ASUP
supply. Pin 1 must be decoupled externally to
prevent high and low frequency noise.
Pin 2 –
TEST
Test Input (Fig. 3–6)
This pin is used for switching the TPU 3040 into test
mode. For normal operation this pin has to be connected
to ground.
Pin 3 –
DATA
DRAM Data Input/Output (Fig. 3–7)
This pin serves as an output for writing data into the ex-
ternal DRAM and as an input for reading data from the
external DRAM.
Pin 4 –
WE
DRAM Write Enable Output (Fig. 3–7)
This pin supplies the Write Enable signal to the external
DRAM.
Pin 5 –
RAS
DRAM Row Address Strobe Output
(Fig. 3–7)
This pin supplies the Row Address Strobe signal to the
external DRAM.
Pin 6 –
CAS
DRAM Column Address Strobe Output
(Fig. 3–7)
This pin supplies the Column Address Strobe signal to
the external DRAM.
Pins 7 to 18 –
A0
to
A11
DRAM Address Outputs
(Figs. 3–7 and 3–8)
These pins are used for addressing the external DRAM.
The addressing is compatible to all DRAM sizes from
64K to 16M, therefore the correct connection of pins A8
to A11 to the corresponding DRAM pins is necessary.
Pins 19 and 20 –
SCL and SDA
IIC Bus (Fig. 3–9)
Via these pins, the TPU 3040 communicates with exter-
nal devices.
Pin 21 –
IR
Infrared (Fig. 3–10)
Via this pin the TPU 3040 can receive remote control sig-
nals.
Pin 22 –
MAC_PAK
MAC Paket Data (Fig. 3–10)
Via this pin, the TPU 3040 receives MAC packets from
the DMA 2381 or from the DMA 2386.
Pin 23 –
MAC_VBI
MAC VBI Data (Fig. 3–10)
By means of this input, the TPU 3040 receives MAC VBI
data from the DMA 2381 or from the DMA 2386.
Pin 24 –
MAC_SYNC
MAC Synchronization (Fig. 3–10)
By means of this input, the TPU 3040 receives the re-
quired MAC synchronization pulse from the DMA 2381.
This sync pulse is used both as line sync and frame sync
for the MAC teletext acquisition.
Pin 25 –
HSYNC
Horizontal Synchronization (Fig. 3–7)
Via this input, the TPU 3040 receives the horizontal syn-
chronization signal. Either the falling or the rising edge
of this signal will start the internal horizontal timing gen-
eration.
Pin 26 –
VSYNC
Vertical Synchronization (Fig. 3–7)
Via this input, the TPU 3040 receives the vertical syn-
chronization signal. Either the falling or the rising edge
of this signal will start the internal vertical timing genera-
tion.
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