Transcription of AN127: Flash Programming via the C2 Interface - Silicon Labs
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AN127: Flash Programming via the C2 Interface - Silicon Labs
AN127: Flash Programming via the C2 In-terfaceThis application note describes how to program the Flash orEPROM memory on Silicon Labs microcontroller devices that usethe C2 Interface ( , C8051F30x or C8051T61x). Example soft-ware is devices have a Programming Interface (PI) that is accessed via the C2 Interface (C2I) and a set of Programming registers. Figure 1 shows the Flash access block access the Flash or EPROM memory of a C2 device, the programmer must compre-hend the C2 Interface , the Programming registers, and the Programming POINTS The C2 Interface is a two-wire interfaceused by most Silicon Labs 8-bit MCUs. This Interface uses a command-basedprotocol to modify Flash and SFR contents.
The length of the WAIT field is controlled by the target device. During the WAIT field, the target device transmits 0’s on the C2D pin until it has finished writing to the target Data register. To indicate the write complete status, the target device transmits a 1 to terminate the WAIT field. AN127: Flash Programming via the C2 Interface C2 ...
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