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ST7263BEx Datasheet(PDF) 12 Page - STMicroelectronics

Part # ST7263BEx
Description  Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI and I²C
PDF  186 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7263BEx Datasheet(HTML) 12 Page - STMicroelectronics

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Introduction
ST7263Bxx
12/186
Doc ID 7516 Rev 8
Figure 1.
General block diagram
1.
ADC channels:
12 on 48-pin devices (Port B and Port D[3:0])
8 on 34 and 32-pin devices (Port B)
None on 24-pin devices
2.
12 or 24 MHz OSCIN frequency required to generate 6 MHz USB clock.
3.
The drive from USBVCC is sufficient to only drive an external pull-up in addition to the internal transceiver.
8-BIT CORE
ALU
OSCIN
OSCOUT
RESET
PORT B
16-BIT TIMER
PORT A
PORT C
PB[7:0]
(8 bits)
PC[2:0]
(3 bits)
OSCILLATOR
INTERNAL
CLOCK
CONTROL
RAM
(1024 Bytes)
PA[7:0]
(8 bits)
VSS
VDD
POWER
SUPPLY
SCI
PROGRAM
(32K Bytes)
I²C
MEMORY
ADC(1)
(UART)
USB SIE
OSC/3
LVD
WATCHDOG
VSSA
VDDA
VPP/TEST
USB DMA
USBDP
USBDM
USBVCC
OSC/4 or OSC/2
for USB2)
PORT D
PD[7:0]
(8 bits)



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