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TM1629 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - LED Control Driver - ETC

भाग संख्या TM1629
समारोह LED Control Driver
मैन्युफैक्चरर्स ETC 
लोगो ETC लोगो 
पूर्व दर्शन
1 Page
		
<?=TM1629?> डेटा पत्रक पीडीएफ

TM1629 pdf
LED Control Driver
TM1629
Sign Name
Description
DIN
DOUT
STB
CLK
Data input
Date output
Chip selection
Clock input
I/O serial data at rising edge of clock,
starting from low order .can use with DOUT
to DIO
On the rising edge of the clock output
serial data, from a low starting. With DIN
shorted for DIO to use
Initialize serial port at rising/falling edge,
and then wait for receiving command.
The first byte after the STB becomes low is
taken as the command. When treating
the command, other current treatments
are stopped. When STB is high, CLK is
ignored.
I/O serial data at rising edge of clock
K0~K3
SEG1/KS1~SEG8/KS8
SEG9~SEG16
GRID1~GRID8
VDD
VSS
Key scanning
data input
Output
(segment)
Output
(segment)
Output
(position)
Logical power
supply
Logic ground
The data to this pin are latched after
display cycle
Segment output (also used for
scanning), P pipe open-drain output
Segment output (also used for
scanning), P pipe open-drain output
key
key
Position output, N pipe open-drain output
5V±10%
Ground system
NC
Space
No connection
Note: During data output, DIO port is N-pipe open-drain output, and when reading keys, an
external pull-up resistor of 1K – 10K is required. We recommend a 10K pull-up resistor. DIO
controls the action of the N-pipe at the falling edge of the clock, and at this time the
reading is not stable, please refer to figure (6). It becomes stable only when reading at the
rising edge of the clock.
VCC
Circuit inside the
chip
CT
10K
DIO
GND
www.szpth.com
V1.1
Free Datasheet http://www.datasheet4u.com/

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डाउनलोड[ TM1629 Datasheet.PDF ]


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