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參數(shù)資料
| 型號： | SAB-C513AO |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit CMOS Microcontroller |
| 中文描述： | 8位CMOS微控制器 |
| 文件頁數(shù)： | 28/59頁 |
| 文件大?。?/td> | 1634K |
| 代理商： | SAB-C513AO |
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C513AO
Data Sheet
26
02.00
Serial Interface (USART)
The serial port is a full duplex port capable of simultaneous transmit and receive functions. It is also
receive-buffered; it can commence reception of a second byte before a previously-received byte
has been read from the receive register. The serial port can operate in 4 modes (one synchronous
and three asynchronous) as illustrated in
Table 6
.
For clarification, some terms regarding the difference between “baudrate clock” and “baudrate”
should be mentioned.
The serial interface requires a clock rate which is 16 times the baudrate for internal synchronization.
Therefore, the baudrate generators must provide a “baudrate clock” to the serial interface which
divides it by 16, thereby resulting in the actual “baudrate”.
The baudrates in Mode 1 and 3 are determined by the timer overflow rate. These baudrates can be
determined by Timer 1 or by Timer 2 or both (one for transmit, the other for receive).
Table 6
USART Operating Modes
Mode
SCON
Description
SM0
SM1
0
0
0
Shift register mode
Serial data enters and exits through R
×
D. T
×
D outputs the
shift clock. 8-bit data are transmitted/received (LSB first) at a
fixed baudrate of
1
/
12
th of the oscillator frequency.
8-bit USART, variable baudrate
10 bits are transmitted (through T
×
D) or received (at R
×
D).
9-bit USART, fixed baudrate
11 bits are transmitted (through T
×
D) or received (at R
×
D).
9-bit USART, variable baudrate
Similar to mode 2, except for the variable baudrate.
1
0
1
2
1
0
3
1
1
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| SAF-C513AO | 8-bit CMOS Microcontroller |
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相關代理商/技術參數(shù) |
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| SAB-C515-1RM | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C515A-4R | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C515A-4R24M | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
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