ST7FSCR14M1 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST7FSCR14M1

8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER

STMicroelectronics 

ST7SCR

PIN DESCRIPTION (Cont’d)

Figure 4. Smartcard Interface Reference Application

VDD

C1

C2 C3

VBUS

D-

D+

GND

SHIELD

D1

C5

C7

C8

C9

DIODE

GNDA

GND

CRDVCC

CRDRST

CRDCLK

C4

CRDIO

C8

CRDDET

PA0

PA1

SELF

VDD

VDDA

USBVcc

DP

DM

LED0

PA6

VPP

OSCOUT

OSCIN

NC

VDD

C4

L1

VDD

C6

R

D+

D-

LED VDD

CL1

CL2

Mandatory values for the external components :

C1 : 100nF

C2 : 4.7 µF,ESR 0.5 Ohm

L1 : 10 µH, 2 Ohm

C3 : 1 µF

C4 : 4.7 µF

C5 : 1 nF

C6 : 100 nF

R : 1.5kOhm

C7 : 4.7 µF,ESR 0.5 Ohm

C8 : 470 pF

C9 : 100 pF

Crystal 4.0 MHz, Impedance max100 Ohm

Cl1, Cl2 1)

D1: BAT42 SHOTTKY

Note 1: Refer to Section 6 on page 20.

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