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HDSP2111S Datasheet(PDF) 6 Page - Siemens Semiconductor Group

Part No. HDSP2111S
Description  8-Character 5x7 Dot Matrix Parallel Input Alphanumeric Intelligent Display
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Manufacturer  SIEMENS [Siemens Semiconductor Group]
Direct Link  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group

HDSP2111S Datasheet(HTML) 6 Page - Siemens Semiconductor Group

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6
HDSP2110S/1S/2S/3S/4S/5S
Figure 5. Top view
Pin assignment
Pin
Function
Definition
1
RST
Used to initialize a display and
sychronize blinking for multiple
displays
2FL
Low input accesses the Flash RAM
3
A0
Address input LSB
4
A1
Address input
5
A2
Address input MSB
6
A3
Mode selector
7VCC
Optional connection to positive
power supply input.
8VCC
9VCC
10
A4
Mode Selector
11
CLKSEL
Selects internal/high clock source
28
Pins
15
1
Pins
14
Digit
0
1
2
3
4
5
6
7
Figure 6. Character set
ASCII
CODE
D0
D1
D2
D3
L
L
L
L
0
H
L
L
L
1
L
H
L
L
2
H
H
L
L
3
L
L
H
L
4
H
L
H
L
5
L
H
H
L
6
H
H
H
L
7
L
L
L
H
8
H
L
L
H
9
L
H
L
H
A
H
H
L
H
B
L
L
H
H
C
H
L
H
H
D
L
H
H
H
E
H
H
H
H
F
L
L
L
L
H
H
H
H
X
L
L
L
L
L
L
L
L
H
L
L
H
H
L
L
H
H
X
L
H
L
H
L
H
L
H
X
0
1
2
3
4
5
6
7
8
D6
D7
D5 D4 HEX
UDC
0
UDC
1
UDC
2
UDC
3
UDC
4
UDC
5
UDC
6
UDC
7
UDC
8
UDC
9
UDC
10
UDC
11
UDC
12
UDC
13
UDC
14
UDC
15
Notes:
1. Upon power up, the device will
initialize in a random state.
2. X=don’t care.
Pin assignment (continued)
Pin
Function
Definition
12
CLK I/O
Outputs master clock or inputs
external clock
13
WR
A low will write data into the display
if CE is low
14
VCC
Positive power supply input
15
GND supply
Analog Ground for LED drivers
16
GND logic
Digital Ground for internal drivers
17
CE
Enables access to the display
18
RD
A low will read data from the display if
CE is low. If read from display is not
required, then RD can be tied to VCC
19
D0
Data input LSB
20
D1
Data input
21
No pin
22
No pin
23
D2
Data input
24
D3
Data input
25
D4
Data input
26
D5
Data input
27
D6
Data input
28
D7
Data input MSB, selects ROM,
page 1 or 2


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