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| 型號(hào)： | SAA-XC886LM-6FFA5V |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 96 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | GREEN, PLASTIC, TQFP-48 |
| 文件頁(yè)數(shù)： | 123/134頁(yè) |
| 文件大小： | 4390K |
| 代理商： | SAA-XC886LM-6FFA5V |
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SAA-XC886CLM
Functional Description
Data Sheet
82
V1.1, 2010-08
– Interrupt enabling and corresponding flag
3.13
UART and UART1
The SAA-XC886 provides two Universal Asynchronous Receiver/Transmitter (UART
and UART1) modules for full-duplex asynchronous reception/transmission. Both are
also receive-buffered, i.e., they can commence reception of a second byte before a
previously received byte has been read from the receive register. However, if the first
byte still has not been read by the time reception of the second byte is complete, one of
the bytes will be lost.
Features
Full-duplex asynchronous modes
– 8-bit or 9-bit data frames, LSB first
– Fixed or variable baud rate
Receive buffered
Multiprocessor communication
Interrupt generation on the completion of a data transmission or reception
The UART modules can operate in the four modes shown in Table 28.
There are several ways to generate the baud rate clock for the serial port, depending on
the mode in which it is operating. In mode 0, the baud rate for the transfer is fixed at
f
PCLK/2. In mode 2, the baud rate is generated internally based on the UART input clock
and can be configured to either
f
PCLK/32 or fPCLK/64. For UART1 module, only fPCLK/64 is
available. The variable baud rate is set by the underflow rate on the dedicated baud-rate
generator. For UART module, the variable baud rate alternatively can be set by the
overflow rate on Timer 1.
3.13.1
Baud-Rate Generator
Both UART modules have their own dedicated baud-rate generator, which is based on
a programmable 8-bit reload value, and includes divider stages (i.e., prescaler and
Table 28
UART Modes
Operating Mode
Baud Rate
Mode 0: 8-bit shift register
f
PCLK/2
Mode 1: 8-bit shift UART
Variable
Mode 2: 9-bit shift UART
f
PCLK/32 or fPCLK/64
1)
1) For UART1 module, the baud rate is fixed at f
PCLK/64.
Mode 3: 9-bit shift UART
Variable
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA-XC886LM-8FFA 5V AC | 功能描述:8位微控制器 -MCU 8-Bit Single Chip Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| SAA-XC886LM-8FFA5V | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit Single Chip Microcontroller |
| SAB | 制造商:SEMIKRON 制造商全稱(chēng):Semikron International 功能描述:Surface mount diode |
| SAB 4-G | 制造商:Multi-Contact 功能描述: |
| SAB 6922 AU / GN | 制造商:Gerhard Sch?tzinger Labor-Sch?tz GmbH 功能描述: |
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