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ST7260 数据表(PDF) 8 Page - STMicroelectronics

部件名 ST7260
功能描述  LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 8K FLASH/ROM AND SERIAL COMMUNICATION INTERFACE (SCI)
PDF  117 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7260 数据表(HTML) 8 Page - STMicroelectronics

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Table 2. Device Pin Description (QFN40)
Pin n°
Pin Name
Level
Port / Control
Main
Function
(after reset)
Alternate Function
QFN40
Input
Output
7VDD
S
Power supply voltage (4V - 5.5V)
8
OSCOUT
O
Oscillator output
9
OSCIN
I
Oscillator input
10
VSS
S
Digital ground
11
PC2/USBOE
I/O
CT
X
X
Port C2
USB Output Enable
12
PC1/TDO
I/O
CT
X
X
Port C1
SCI Transmit Data Output
13
PC0/RDI
I/O
CT
X
X
Port C0
SCI Receive Data Input
14
RESET
I/O
X
X
Reset
15
NC
--
Not connected
16
NC
--
Not connected
17
PB7/IT8
I/O
CT 10mA X
XX
Port B7
18
PB6/IT7
I/O
CT 10mA X
XX
Port B6
19
VPP/TEST
S
Programming supply
20
PB5/IT6
I/O
CT 10mA X
XX
Port B5
21
PB4/IT5
I/O
CT 10mA X
XX
Port B4
22
PB3
I/O
CT 10mA X
X
Port B3
23
PB2
I/O
CT 10mA X
X
Port B2
24
PB1
I/O
CT 10mA X
X
Port B1
25
PB0
I/O
CT 10mA X
X
Port B0
26
PA7/OCMP2/IT4
I/O
CT
X
XX
Port A7
Timer Output Compare 2
27
PA6/OCMP1/IT3
I/O
CT
X
XX
Port A6
Timer Output Compare 1
28
PA5/ICAP2/IT2
I/O
CT
X
XX
Port A5
Timer Input Capture 2
29
PA4/ICAP1/IT1
I/O
CT
X
XX
Port A4
Timer Input Capture 1
30
PA3/EXTCLK
I/O
CT
X
X
Port A3
Timer External Clock
31
PA2/ICCCLK
I/O
CT 25mA X
T
Port A2
ICC Clock
32
NC
--
Do not connect
33
NC
--
Do not connect
34
NC
--
Do not connect
35
NC
--
Do not connect
36
NC
--
Do not connect
37
NC
--
Do not connect
38
NC
--
Do not connect



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