6
ESL User Manual
1.4 Interface Specifications
The radio interface of both the base stations and ESLs have the following specifications:
•
2.4gHz IEEE 802.15.4 compatible
•
Transmission speeds: up to 250 kbps
1.5 Hardware Specifications
Items
Specifications
Remarks
CPU
Type
CC2530-F128 (EE200)
CC2530-F256 (EBS-10)
Internal ROM
256 KB (EBS-10)
128 KB (EE200)
Internal RAM
8 KB
Clock frequency
32 MHz
Display
(EE200)
Active area
W 45 x H 22 mm
Number of dots
W 200 x H 96
Model
EG020AS183
Gray scale level
1 bit
Black and white
Contrast ratio
10:1
Pixel pitch
111 dpi
Connector
(EBS-10)
Ethernet
10/100 Mbit
Radio
Frequency
2.4gHz
Protocol
IEEE 802.15.4
1.6 Electrical Specifications
1.6.1 Electrical Characteristics
EE200:
Parameter
Typical
Unit
Remarks
Operating voltage
2.8–3.2
V
2 x CR2450 Lithium battery
Operating current
7-33
mA
During RF and image refresh only
Sleep current
1
uA
EE200 in sleep state >99,9%
EBS-10:
Parameter
Typical
Unit
Remarks
Operating voltage
6.0
V
Power adapter
Operating current
<200
mA