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ST7263BEx 数据表(PDF) 19 Page - STMicroelectronics

部件名 ST7263BEx
功能描述  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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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7263BEx 数据表(HTML) 19 Page - STMicroelectronics

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ST7263Bxx
Pin description
Doc ID 7516 Rev 8
19/186
31 33
5
4
USBVCC(2)
O
USB power supply 2)
32 34
6
5
VDDA
S
Analog supply voltage
1.
Port D functions are not available on the 8 Kbyte version of the QFN40 package (ST7263BK2) and should not be
connected.
2.
The drive from USBVcc is sufficient to only drive an external pull-up in addition to the internal transceiver.
Table 3.
Device pin description (QFN40, LQFP48, SO34 and SDIP32) (continued)
Pin n°
Pin name
Level
Port /control
Main
function
(after
reset)
Alternate function
Input
Output
Table 4.
Device pin description (SO24)
Pin n°
Pin name
Level
Port /control
Main
function
(after
reset)
Alternate function
Input
Output
1VDD
S
Power supply voltage (4- 5.5 V)
2
OSCOUT
O
Oscillator output
3
OSCIN
I
Oscillator input
4VSS
S
Digital ground
5
PC1/TDO
I/O
CT
X
X
Port C1
SCI Transmit Data
output
6
PC0/RDI
I/O
CT
X
X
Port C0
SCI Receive Data input
7
RESET
I/O
X
X
Reset
8
PB6/IT7
I/O
CT 10mA
X
X
X
X
Port B6
9VPP/TEST
S
Programming supply
10
PB3
I/O
CT 10mA
X
X
X
Port B3
11
PB2
I/O
CT 10mA
X
X
X
Port B2
12
PB1/USBOE
I/O
CT 10mA
X
X
X
Port B1
USB output Enable
13
PB0
I/O
CT 10mA
X
X
X
Port B0
14
PA7/OCMP2/IT4
I/O
CT
X
X
X
Port A7
Timer output Compare
2
15
PA5/ICAP2/IT2
I/O
CT
X
X
X
Port A5
Timer input Capture 2
16
PA4/ICAP1/IT1
I/O
CT
X
X
X
Port A4
Timer input Capture 1
17
PA3/EXTCLK
I/O
CT
X
X
Port A3
Timer External clock
18
PA2/SCL/
ICCCLK
I/O
CT 25mA X
T
Port A2
I²C serial clock,
ICC clock
19
PA1/SDA/ICCDATA
I/O
CT 25mA
X
T
Port A1
I²C serial data, ICC
Data



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