∝PSD Part Numbering Schemeheme
uPSD32/33/34
Device Family
uPSD32 – Standard uPSD
uPSD33 – Turbo uPSD
uPSD34 – Turbo uPSD Plus
3 
4 
B 
V
Main Flash Size
2 = 64K Byte
3 = 128K Byte
4 = 256K Byte
5 = 512K Byte
-24 
U 
6 
T
Vcc |
| Package Type |
blank = 5V |
| T = TQFP52 |
V = 3.3V |
| U = TQFP80 |
|
| H = TQFP100 |
|
|
SRAM Size
1 = 2K Byte
3 = 8K Byte
5 = 32K Byte
Peripheral Set
Operating Temp
6 =
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
Packaging Options
T = Tape & Reel
www.st.com/micropsd | 26 |
