Atmel C51 Manuale Utente
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Hardware Description
C51 Microcontrollers Demo Board User Guide
2-4
4119C–8051–3/03
Section 2
Hardware Description
2.1
Block Diagram
Figure 2-1. Block Diagram
2.2
Specifications
2.3
Supported
Microcontrollers
Microcontrollers
Most Atmel C51 and C251 microcontrollers are supported.
The Demo Board does not support low voltage parts, only 5V parts are supported.
Reset & INT1#
Power
interface
RS232
C51/C251
LCD 2*16
Bargraph
Config switches
128 K Flash memory
Glue
Synchro connectors
To All
Extensions
connector
Parameter
Typ
Max
Unit
Supply DC voltage
9
12
V
Supply DC current
200
mA
Consumption at 12 MHz
60
100
mA
Consumption at 60 MHz in X2 mode
110
150
mA
non-rechargeable battery capacity
550
mAh
Rechargeable battery capacity
150
mAh