Flexible for Many Applications
The
Options for Loading 8051 Firmware
The
Software file from the host system
Loading from a software file provides the maximum flex- ibility to the peripheral manu- facturer. This configuration takes advantage of the internal 4K or 8K RAM to load 8051 code and data from the host system. Because of the ReNumeration capability of
configuration, users can implement a USB function in a tiny 44 PQFP package yielding a complete USB solution in less than one square inch of PC board space.
EEPROM loaded through the I2C port
The
External memory through the memory expansion port External memory may be added to
Loading 8051 Firmware from the Host
plexed, eliminating the need for glue logic for connection to external memory.
Internal ROM for peripheral manufacturers who migrate to the