Figure 4-1 The structure of hardware system
4.4 CPU Board
CPU board which is the minimum structure system of CPU system uses 32 digit chip
microcomputer as its core. CPU board and CPU extension board make up of the
main module.
The CPU communicates with the CPU extension board via CPU external interface in
multiple-buses communication mode.
Figure 4-2 Structure of the CPU board
4.4.1 LED Indicator
D3: ＋3.3V power indicator
4.4.2 Memory Module
Flash which communicates with CPU via local bus, is used to store the CPU program,
system parameters and test results.
SDRAM which is configured on CPU board, is used to run the software.
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