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PDF TM1629 Data sheet ( Hoja de datos )
| Número de pieza | TM1629 | |
| Descripción | LED Control Driver | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TM1629 (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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Overview
LED Control Driver
TM1629
TM1629 is a special circuit for LED (light-emitting diode) driver control with keyboard
scanning port. It integrates with different circuits such as MCU digital port, data latch, LED
high-voltage drive, keyboard scanning, etc. The product has good performance and reliable
quality, and is mainly applied in display drive of VCR, VCD, DVD, home theater and other similar
products.
Features
Low power consumption CMOS workmanship
Display mode（16segment×8positions）
Key scanning（8×4bit）
Luminance adjustment circuit (8-level adjustable duty cycle)
Serial port (CLK, STB, DIN DOUT)
Oscillation mode: built-in RC oscillation（450KHz+5%）
Built-in power-on reset circuit
Packaging:QFP44
Pin definitions
NC 1
DOUT 2
DIN 3
SCLK 4
STB 5
K0 6
K1 7
K2 8
K3 9
VSS 10
NC 11
TM1629
TOP VIEW
33 GRID8
32 VSS
31 VDD
30 SEG16
29 SEG15
28 SEG14
27 SEG13
26 SEG12
25 SEG11
24 SEG10
23 SEG9
Pin definitions
www.szpth.com
V1.1
Free Datasheet http://www.datasheet4u.com/
1 page  
LED Control Driver
TM1629
01
01
0
0
Data
reading/writing
Write data to display
register
1 0 mode setting
Read key scanning
data
01
01
0
0
1
ddress
increase mode
setting
uto increase of
address
Fixed address
01
0
Test mode
setting (for
Normal mode
01
1
internal use
only)
Test mode
2. ddress command setting
MSB
LSB
B B6 B5 B4 B3 B2 B1 B0
11
0000
11
0001
11
0010
11
0011
11
0100
11
0101
1 1 N/ , fill in 0 1 1 0
11 0 0111
11
1000
11
1001
11
1010
11
1011
11
1100
11
1101
Display
address
00H
01H
02H
03H
04H
05H
06H
0H
08H
09H
0H
0BH
0CH
0DH
This command is used to set the address of display register.
When the address is set as 0EH or higher, the data are ignored until a valid address is set.
When powered, the address is set as 00H.
3.Display control
MSB
LSB
B B6 B5 B4 B3 B2 B1 B0
1
0
N/ , fill in
0
000
10
001
Function
Extinction
number
setting
10
010
10
011
www.szpth.com
V1.1
Description
Set the pulse width to
1/16
Set the pulse width to
2/16
Set the pulse width to
4/16
Set the pulse width to
Free Datasheet http://www.datasheet4u.com/
5 Page 
LED Control Driver
TM1629
2.Fixed address mode
In the fixed address mode, to set the address actually means to set the address stored in
the to-be-transferred 1B TE data. When the address is sent completely, send the 1B TE data
immediately without having to set STB to high position (only do it when data sending
completes) then, set the address to be stored in the second data, and when the data (16B TE
at most) sending completes, set STB to high position.
CLK
DIO
command1
command2
dat a1
STB
command3
data2 ...... command4
Command1: display mode setting command
Command2: data reading/writing setting command
Command3: display address setting command, to set display address 1
Data1:
display data 1, save to the address unit specified by Command3
Command4: display address setting command, to set display address 2
Data2:
display data 2, save to the address unit specified by Command4
Command5: display control command
3.Read time sequence of keys
CLK
DIO
Command1
Data1
STB
Command1: reading key command
Data1~5: reading key data
Data2
Data3
Data4
www.szpth.com
V1.1
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet TM1629.PDF ] | |
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