Difference between revisions of "84PCE:Ports:1002"
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== Details ==  | == Details ==  | ||
| − | === Bits [  | + | === Bits [2:0] ===  | 
| − | Sets the flash chip size. 06 is the default (4 MB). 07 will map 8 MB, which will cause the 4 MB to be mirrored twice  | + | Sets the flash chip size. 06 is the default (4 MB). 07 will map 8 MB, which will cause the 4 MB to be mirrored twice. Smaller values map less flash, possibly down to 64 K.  | 
| + | |||
| + | === Bit 3 ===  | ||
| + | Set this bit to crash. Does not appear to change amount of flash mapped.  | ||
=== Bits [7:4] ===  | === Bits [7:4] ===  | ||
Writes have no apparent effect, value does not latch.  | Writes have no apparent effect, value does not latch.  | ||
Revision as of 12:34, 5 April 2015
Synopsis
Port Number: 1002
Function: Memory-mapped flash chip size.
Details
Bits [2:0]
Sets the flash chip size. 06 is the default (4 MB). 07 will map 8 MB, which will cause the 4 MB to be mirrored twice. Smaller values map less flash, possibly down to 64 K.
Bit 3
Set this bit to crash. Does not appear to change amount of flash mapped.
Bits [7:4]
Writes have no apparent effect, value does not latch.