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XXXXX
Family Descritor
FM91L = MCP, 3.0VFM91D = MCP, 1.8V
XXX
Flash Denstity
016 = 1Mx16032 = 2Mx16064 = 4Mx16
XX
PSRAM Density
04 = 256Kx1608 = 512Kx1632 = 2Mx16
X
Boot Sector Architecture
B = Bottom boot sectorT, U = Upper boot sector
X
Version
A = A version
X
Flash Speed
6 = 60 ns7 = 70 ns9 = 90 nsA = 100 ns
X
PSRAM Speed
6 = 60 ns7 = 70 ns
XX
Package Type
BG = 56-ball BGA
X
Temperature Range
E = Extended
Note: Part number description table describes usual part-numbering system for more chips, therefore this table can contain information, that might not be valid for the actually selected chip. The information here are provided on the best-effort basis and might be either inaccurate or incoplete. Therefore always check the latest datasheet of the chip for part number description detail. If you find some inaccuracy, let us please know.