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ST7SCR Datasheet(PDF) 61 Page - STMicroelectronics

Part # ST7SCR
Description  8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER
PDF  102 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7SCR Datasheet(HTML) 61 Page - STMicroelectronics

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ST7SCR
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SMARTCARD INTERFACE (Cont’d)
Figure 35. Power Off Timing Diagram
Note: Refer to the Electrical Characteristics sec-
tion for the values of tON and tOFF.
Figure 36. Card clock selection block diagram
11
00
00
VCARD[1:0]
CRDVCC
VCARDOK
VCRDP Interrupt
VCARDOK
11
VCRDP Interrupt
Software Power-Off
Voltage Error
Power-On
Power-On
tOFF
tON
tON
tOFF
0.4V
CLK
4 MHz
1
0
SEL
CRD
CLK
CRDCCR
POWER OFF
BLOCK
CRDCLK
ISOCLK
DIV
PLL
PLL
OSC
4 MHz
1



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