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ST7265X Datasheet(PDF) 14 Page - STMicroelectronics

Part # ST7265X
Description  LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C, SPI
PDF  166 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7265X Datasheet(HTML) 14 Page - STMicroelectronics

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Figure 7. Multimedia Card Or Secure Digital Card Writer Application Example
(1) This line shows if the ST72F65 pin is controlled by the
ST7 core or by the DTC.
(2) As this is a single power supply application, the US-
BEN function in not needed. Thus PF4/USBEN pin can be
used as a normal I/O by configuring it as such by the op-
tion byte.
MultiMedia Card Pin
CMD
DAT
CLK
ST72F65 pin
PE5
PE6
PE7
ST7 / DTC (1)
DTC
DTC
DTC
VCC
USB
DP
DM
USBVDD
DTC
USB Port
FLASH
VDDF
VPP
GND
USB
4.7
µF
VDD
USBVDD
POWER
USB
MANAGEMENT
5V
DP
DM
GND
100nF
12V for
LED2
level translator
Flash prog.
REGULATOR
I/O
LOGIC
=4.0-5.5V
UP TO 5
MULTIMEDIA
OR SD CARDS
CLK DAT CMD
PE7 PE6
VDD
PE5
(2)
100nF
100nF
1.5K
Ω
LED1
(connect to
GND if
not used)
1



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