Manley Labs switch/hub - Manual (Page 26)

26 www.st.com/micropsd
uPSD32/33/34 3 4 B 24 U 6
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Device Family
uPSD32 – Standard uPSD
uPSD33 – Turbo uPSD
uPSD34 – Turbo uPSD Plus
SRAM Size
1 = 2K Byte
3 = 8K Byte
5 = 32K Byte
Main Flash Size
2 = 64K Byte
3 = 128K Byte
4 = 256K Byte
5 = 512K Byte
Peripheral Set
A = Std Periphs w/USB
B = A minus USB
C = B minus DDC
D = Enhanced Periphs
E = D with full spd USB
F = E with 32 macrocells
MCU Frequency
24 = 24 MHz
40 = 40 MHz
Package Type
T = TQFP52
U = TQFP80
H = TQFP100
Operating Temp
6 = -40 to 85C
V
Vcc
blank = 5V
V = 3.3V
T
Packaging Options
T = Tape & Reel
µ µ PSD PSD
Part Numbering Scheme Part Numbering Scheme