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ST7SCR 数据表(PDF) 10 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) 10 Page - STMicroelectronics

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ST7SCR
10/101
PIN DESCRIPTION
Figure 5. Smartcard Interface Reference Application - 24-Pin SO Package
Note 1: C1 and C2 must be located close to the
chip.
Note 2: Refer to section 6 on page 21 & Section
14.4.3 Crystal Resonator Oscillators.
LED0
DM
DP
USBVcc
OSCIN
OSCOUT
VPP
DIODE
CRDCLK
CRDRST
CRDVCC
PA6
CRDIO
C8
CRDDET
PA0
VDDA
C4
GNDA
PA1
NC
GND
VDD
SELF
VDD
CL1
CL2
C4
C5
C6
VDD
L1
C3
D1
R
LED
C1
C2
VDD
D+
D-
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



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