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ST7260 数据表(PDF) 102 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) 102 Page - STMicroelectronics

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ST7260
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COMMUNICATION INTERFACE CHARACTERISTICS (Cont’d)
13.10.2 SCI - Serial Communications Interface
Subject to general operating condition for VDD, fCPU, and TA unless otherwise specified.
Refer to I/O port characteristics for more details on the input/output alternate function characteristics (RDI
and TDO).
Symbol
Parameter
Conditions
Standard
Baud
Rate
Unit
fCPU
Accuracy
vs. Standard
Prescaler
fTx
fRx
Communication frequency
8 MHz
~0.16%
Conventional Mode
TR (or RR)=128, PR=13
TR (or RR)= 32, PR=13
TR (or RR)= 16, PR=13
TR (or RR)= 8, PR=13
TR (or RR)= 4, PR=13
TR (or RR)= 16, PR= 3
TR (or RR)= 2, PR=13
TR (or RR)= 1, PR=13
300
1200
2400
4800
9600
10400
19200
38400
~300.48
~1201.92
~2403.84
~4807.69
~9615.38
~10416.67
~19230.77
~38461.54
Hz



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