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ST7SCR 数据表(PDF) 11 Page - STMicroelectronics

部件名 ST7SCR
功能描述  8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER
PDF  101 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7SCR 数据表(HTML) 11 Page - STMicroelectronics

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ST7SCR
11/101
Figure 6. Smartcard Interface Reference Application - 64-Pin LQFP Package
Note 1: C1, C2, C7 and C8 must be located close
to the chip.
Note 2: Refer to section 6 on page 21 & Section
14.4.3 Crystal Resonator Oscillators.
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
17 18 19 20 21 22 23 24
29 30 31 32
25 26 27 28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CL1
CL2
C4
C5
C6
VDD
L1
C3
LED
C1
VDD
D-
D1
VDD
C2
R
D+
C7
C8
Mandatory values for the external components :
L1 : 10 µH, 2 Ohm
C4 : 4.7 µF,ESR 0.5 Ohm
C3 : 1 nF
Crystal 4.0 MHz, Impedance max100 Ohm
Cl1, Cl2 2)
D1: BAT42 SHOTTKY
C5 : 470 pF
C6 : 100 pF
C2 : 100nF 1)
C1 : 4.7 µF 1)
R : 1.5kOhm
C7 : 100 nF 1)
C8 : 100 nF 1)



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