STM32F051R4U7(2012) 查看數據表（PDF） - STMicroelectronics
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产品描述 (功能)
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STM32F051R4U7
(Rev.:2012)
(Rev.:2012)
STMicroelectronics
STM32F051R4U7 Datasheet PDF : 104 Pages
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STM32F051x
Package characteristics
Figure 33. LQFP48 – 7 x 7mm, 48-pin low-profile quad flat package outline
D
D1
D3
36
25
ccc C
A
A2
37
24
L1
b
E3 E1 E
48
Pin 1
identification 1
13
12
c
A1
L
K
1. Drawing is not to scale.
5B_ME
Table 69. LQFP48 – 7 x 7mm, 48-pin low-profile quad flat package mechanical data
Symbol
millimeters
Min
Typ
Max
inches(1)
Min
Typ
Max
A
1.600
0.0630
A1
0.050
0.150
0.0020
0.0059
A2
1.350
1.400
1.450
0.0531
0.0551
0.0571
b
0.170
0.220
0.270
0.0067
0.0087
0.0106
c
0.090
0.200
0.0035
0.0079
D
8.800
9.000
9.200
0.3465
0.3543
0.3622
D1
6.800
7.000
7.200
0.2677
0.2756
0.2835
D3
5.500
0.2165
E
8.800
9.000
9.200
0.3465
0.3543
0.3622
E1
6.800
7.000
7.200
0.2677
0.2756
0.2835
E3
5.500
0.2165
e
0.500
0.0197
L
0.450
0.600
0.750
0.0177
0.0236
0.0295
L1
1.000
0.0394
k
0°
3.5°
7°
0°
3.5°
7°
ccc
0.080
0.0031
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Doc ID 022265 Rev 3
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