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參數(shù)資料
| 型號(hào)： | SAB-C501G-1RM |
| 廠商： | SIEMENS A G |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-Bit CMOS Microcontroller |
| 中文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44 |
| 文件頁(yè)數(shù)： | 21/48頁(yè) |
| 文件大?。?/td> | 319K |
| 代理商： | SAB-C501G-1RM |
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Semiconductor Group
21
1997-04-01
C501
Serial Interface (USART)
The serial port is full duplex and can operate in four modes (one synchronous mode, three
asynchronous modes) as illustrated in
table 6
. The possible baudrates can be calculated using the
formulas given in
table 7
.
Table 6
USART Operating Modes
Mode
SCON
Baudrate
Description
SM0
SM1
0
0
0
f
OSC
/12
Serial data enters and exits through R
×
D.
T
×
D outputs the shift clock. 8-bit are
transmitted/received (LSB first)
1
0
1
Timer 1/2 overflow rate
8-bit UART
10 bits are transmitted (through T
×
D) or
received (R
×
D)
9-bit UART
11 bits are transmitted (T
×
D) or
received (R
×
D)
9-bit UART
Like mode 2 except the variable baud rate
2
1
0
f
OSC
/32 or
f
OSC
/64
3
1
1
Timer 1/2 overflow rate
Table 7
Formulas for Calculating Baudrates
Baud Rate
derived from
Interface Mode
Baudrate
Oscillator
0
2
f
OSC
/12
(2
SMOD
×
f
OSC
) / 64
(2
SMOD
×
timer 1 overflow rate) /32
(2
SMOD
×
f
OSC
) / (32
×
12
×
(256-TH1))
Timer 1 (16-bit timer)
(8-bit timer with
8-bit autoreload)
1,3
1,3
Timer 2
1,3
f
OSC
/ (32
×
(65536-(RC2H, RC2L))
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAB-C501G-1RN | 8-Bit CMOS Microcontroller |
| SAB-C501G-1RP | 8-Bit CMOS Microcontroller |
| SAB-C501G-L24M | 8-Bit CMOS Microcontroller |
| SAF-C501G-1E24N | 8-Bit CMOS Microcontroller |
| SAF-C501G-1E24P | 8-Bit CMOS Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAB-C501G-1RN | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C501G-1RP | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C501G-L24M | 制造商:Siemens 功能描述:8-BIT, 24 MHz, MICROCONTROLLER, PQFP44 |
| SABC501GL24MTR | 制造商:Infineon Technologies AG 功能描述:NOTE: NO REPLACEM |
| SAB-C501G-L24N | 制造商:Siemens 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC |
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