PISO-DNM100 DeviceNet Master API functions User’s Manual (Ver: 1.0) 2008/02/25
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1.8 Block Diagram
The figure 1.8 shows the block diagram of the PISO-DNM100 board.
1. DPRAM (Dual Port RAM) :
The DPRAM is the memory buffer which provides the communication
channel between PC and PISO-DNM100.
2. EEPROM :
The EEPROM stores the configuration information. After restarting the
PC, the configuration data will be loaded form the EEPROM automatically.
3. Control CPU :
The CPU inside implementing the DeviceNet firmware.
4. CAN Controller :
The CAN controller is used for sending and receiving the CAN messages.
There is photo isolation between CAN controller and CAN bus.
Figure 1.8 Block diagram of the PISO-DNM100