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PDF TM1803 Data sheet ( Hoja de datos )
| Número de pieza | TM1803 | |
| Descripción | 3-bit LED drive control dedicated circuit | |
| Fabricantes | Titan Micro | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TM1803 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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3bit LED drive control dedicated circuit
TM1803
Summarize
TM1803 is a 3 bits LED (light-emitting diode display) drive control
circuit, internal integrated with MCU digital interface, latch, LED high voltage driver and so
on .Through the external MCU control, the chip can achieve separate luminance, And
through cascade control can achieve outdoor large-screen color dot-matrix light-emitting
control. TM1803 have excellent performance and high reliability.
Feature
z Use high-voltage power CMOS process
z Output voltage is up to 24V
z Brightness adjustment circuit(256)
z Serial-shift and cascade Interface
z Oscillation mode：Built-in RC oscillator, signal clock synchronization. While
accepting the completed data of this module, data can be auto-shaped and
transmitted to next chip via data output pin.
z Built-in power-on reset circuit
z PWM control side can achieve 256 adjustment, scan frequency not less than 400hz
/s
z The completion of data reception and decoding by a signal line
z When the refresh rate of 30 frames/ s, the number of cascade is not less than 512
on low-speed mode. And it is not less than 1024 on high-speed mode.
z SOP8 package
z Data transmission speed can be 400Kbps and 800Kbps two modes
©Titan Micro Electronics
www.titanmec.com
Page 1 of 6
1 page  
Connection Method
3bit LED drive control dedicated circuit
TM1803
D1 D2 D3 D4
DIN DO
DIN DO
DIN DO
chip1
chip2
chip3
Data Transfer Method
D1
The first 24bit
The second 24bit
The third 24bit
RESET
CODE
D2 The second 24bit The third 24bit
D3 The third 24bit
D4
24bit data structure
RRRRRRRRGGGGGGGGBBBBBBBB
765432107654321076543210
Uper bit first, sent data in accordance with R, G, B order.
©Titan Micro Electronics
www.titanmec.com
Page 5 of 6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet TM1803.PDF ] | |
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