User's Manual

Architecture
4 Architecture
The L-L100 Reader consists of two main blocks:
1. Data Processing Unit (DPU).
2. Radio Processing Unit (RPU),
Figure 2: L-L100 Architecture
Data Processing Unit
Serial
Interface
HPI
Interface
DSP
Unit
Channel
1
Channel
2
GemCore
OS
Radio Processing Unit
L-L100 Reader
Radio Frequency
I/O
Interface
External
I/O,
Interrupts,
Trigger
Tags
4.1 Data Processing Unit
The Data Processing Unit (DPU) primarily consists of the GemCore operating system. This unit
provides all GemCore functions (RTC, backup memory, SAM module…) and features four
configurable industrial I/O ports.
Figure 3: Data Processing Unit
GemCore
MicroController
RTC Chip
I/O
Interface
Ext e ns io n
port
(internal)
Serial
Interface
Ext e rn a l
RAM
HPI
Interface
Flas h Code
Memory
Backed up
Memory
Radio
Processing
Unit
Ke yboard &
LCD port
(int
ernal)
)
April 2003 Revision 3.1b 17/45