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PDF ET6202 Data sheet ( Hoja de datos )
| Número de pieza | ET6202 | |
| Descripción | Control LED drive circuit | |
| Fabricantes | Etek Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ET6202 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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Etek
Microelectronics
Control LED drive circuit
ET6202
Overview
ET6202 is 1 / 7 to 1 / 8 duty cycle control of the LED display driver circuit. By paragraph
11 output, the output gate 6, paragraph 1 / output gate, A display memory, control circuit, key
scan circuit composed of a single-chip high-reliability of the external LED driver circuit. Serial
data 4-wire serial interface into the ET6202, the use of SOP28 package.
Features
z CMOS technology
z Low-power
z A variety of display modes: choice of settings, and the number of spaces (4 to 7, 10 to 13)
z Scan button: 10 × 2 matrix
z 8 levels of brightness adjustment circuit
z 4-wire serial interface
z Package for SOP28
Pin assignment
OSC
DI/O
CLK
STB
K1
K2
VDD
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
ET6202
28 GND
27 GR1
26 GR2
25 GND
24 GR3
23 GR4
22 GND
21 VDD
20 SG14/GR5
19 SG13/GR6
18 SG12/GR7
17 SG10/KS10
16 SG9/KS9
15 SG8/KS8
1/14
Rev 1.1 2004-6-4
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
ET6202
Functions
Order
STB ports in the state by the high-low, the importation of an order by the DIN port of the first byte (b0 ~ b7). If
the data or the order in the transmission For some reason, STB is set to port, serial communications are to be
initialized, the data is input / command be considered invalid.
Order 1: display mode command set
ET6202 provides as follows two display modes: a command in the port of the STB by the state after the high-low
by the DIN port to lose ET6202 into the first byte (b0 ~ b7). For these orders, the No. 3 to No. 6 (b2 ~ b5) are ig-
nored, 7 and 8 (b6 ~ b7) 0. Display mode command set used by the decision, gate number (4 to 7, 10 to 13). Must
show that an order to continue to make the show. If you choose the same mode settings, not to implement the
order, so there will be no show. When the electric power, the choice of 10 × 7-bit mode.
MSB
0
LSB
0 ─ ─ ─ ─ b1 b0
b2 ~ b5 no assignment
Display mode:
b1 for 0, b0 to 0:13 paragraph × 4 bits
b1 for 0, b0 to 1:12 paragraph bit × 5
b1 for 1, b0 to 0:11 paragraph bit × 6
b1 for 1, b0 1:10 paragraph bit × 7
Order 2: Set the order data
Data set is the order of implementation of the ET6202 read and write data. The first order of 5 and 6 (b4, b5) are
ignored, 8-bit (b7) 0, No. 7 (b6) is set to 1. When the electric power supply when the first 4 to a (b3 ~ b0) should
be set to 0
MSB
0
1
LSB
─ ─ b3 b2 b1 b0
b4, b5 non-assignment
Mode:
b3 0: normal mode of operation
b3 1: Test mode
Incremental mode address settings (mode):
b2 0: After the data into the Incremental address
b2 1: Address the same
Read and write data mode:
b1 for 0, b0 0: write data to the display mode
b1 for 1, b0 0: Reading key scan data
5/14
Rev 1.1 2004-6-4
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
ET6202
Notes: The test conditions are as follows.
tTHZ(Pull-down resistance = 10k , load capacitance = 300pf)
tTLZ(Pull-up resistor = 10k , load capacitance = 300pf)
Apply
1. Input data show
STB
CLK
DIN
Order 2
Order 3
Data 1
Order 1: display mode command set
Order 2: Set the order data
Order 3: Address set up a command
Data 1 ~ n: mobile data show that (the largest of 14 bytes)
Order 4: Display Control Order
2. Enter a specific address
STB
Data n
Order 1
Order 4
CLK
DIN Order 2
Order 2: Set data
Order 3: Address Setting
Data: The data show
Order 3
Data
Order 1
Order 4
11/14
Rev 1.1 2004-6-4
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet ET6202.PDF ] | |
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