HDSP2110S Datasheet, PDF (6/13 Pages) Infineon Technologies AG – 8-Character 5x7 Dot Matrix Parallel Input Alphanumeric Intelligent Display

Figure 5. Top View
28
Pins
15
012 34 567
Digit
1
Pins
14
Pin Assignment
Pin Function
1
RST
2
FL
3
A0
4
A1
5
A2
6
A3
7
V_CC
8
V_CC
9
V_CC
10 A4
11 CLKSEL
Definition
Used to initialize a display and
sychronize blinking for multiple
displays
Low input accesses the Flash RAM
Address input LSB
Address input
Address input MSB
Mode selector
Optional connection to positive
power supply input.
Mode Selector
Selects internal/high clock source
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 V_CC
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
19 D0
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 V_CC
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
Figure 6. Character Set
D0 L
HLH
L
H
L
H
L
HL
HL
H
L
H
ASCII
D1 L
LHH
L
L
HH
L
LH
HL
L
H
H
CODE
D2 L
LL
L
HH
HH
L
L
L
L
H
H
H
H
D3 L
LL
L
L
L
L
L
H
HH
HH
HH
H
D7 D6 D5 D4 HEX 0
12
3
4
5
6
7
8
9
A
BC
DE
F
LL L L 0
Notes:
1. Upon power up, the device will
initialize in a random state.
2. X=don’t care.
LL LH 1
LLHL 2
LLHH 3
LH L L 4
LH L H 5
LHH L 6
LHHH 7
H X X X 8 ^{UDC UDC UDC UDC UDC UDC UDC UDC UDC UDC UDC UDC UDC UDC UDC UDC}
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
 2000 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany
www.osram-os.com • [phone]
6
HDSP2110S/1S/2S/3S/4S/5S
March 24, 2000-13