Datasheet

ST72321Rx ST72321ARx ST72321Jx
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Figure 105. Ordering information scheme
ST72 F 321 J 7 T 8
Family
ST7 microcontroller family
Memory type
F: Flash
Blank : ROM
P = FASTROM
Memory size
6 = 32K
7 = 48K
9 = 60K
Package
T = LQFP
Example:
No. of pins
J = 44 or 42
AR = 64 (LQFP64 10x10 package)
R = 64 (LQFP64 14x14 package)
Sub-family
325
Temperature range
3 = -40 to 125 °C
6 = -40 °C to 85 °C
For a list of available options (e.g. memory size, package) and orderable part numbers or for further information
on any aspect of this device, please contact the ST Sales Office nearest to you.