flash容量<=32k 选择 ld
64k<= <=128k 选择 md
256<= <=512k 选择 hd
6:32K
8:64K
B:128K
C:256K
D:384K
E:512K Flash memory size
G:1Mbytes
I:2Mbytes
LQFP100 (package top view) Pin1
LQFP144 (package top view) Pin1
LQFP176 (package top view) Pin1