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參數(shù)資料
| 型號(hào)： | ST72371 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8-Bit MCUs with 16K ROM/OTP/EPROM, 512 Bytes RAM, ADC, DAC (PWM), Timer, IIC and SCI(8位微控制器(8M)) |
| 中文描述： | 8 - 16K的光碟/雙層/存儲(chǔ)器，512字節(jié)RAM，ADC和DAC的器（PWM），定時(shí)器，IIC和脊髓損傷（8位微控制器（8米）位MCU） |
| 文件頁數(shù)： | 57/94頁 |
| 文件大?。?/td> | 642K |
| 代理商： | ST72371 |
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ST72371/ST72372
4.5 SERIAL COMMUNICATIONSINTERFACE (SCI)
4.5.1 Introduction
The Serial Communications Interface (SCI) offers
a flexible means of full-duplex data exchange with
external equipment requiring an industry standard
NRZ asynchronous serial data format.
4.5.2 Main Features
I
Full duplex, asynchronous communications
I
NRZ standard format (Mark/Space)
I
Independently
programmable
receive baud rates up to 250K baud.
I
Programmable data word length (8 or 9 bits)
I
Receive buffer full, Transmit buffer empty and
End of Transmission flags
I
Two receiver wake-up modes:
– Address bit (MSB)
– Idle line
I
Muting functionformultiprocessor configurations
I
Separate
enable
bits
Receiver
I
Three error detection flags:
– Overrun error
– Noise error
– Frame error
I
Five interrupt sources with flags:
– Transmit data register empty
– Transmission complete
– Receive data register full
– Idle line received
– Overrun error detected
transmit
and
for Transmitter
and
4.5.3 General Description
The interface is externally connected to another
device by two pins (see Figure 1):
– TDO: Transmit Data Output. When the transmit-
ter is disabled, the output pin returns to its I/O
port configuration. When the transmitter is ena-
bled and nothing is to be transmitted, the TDO
pin is at high level.
– RDI: Receive Data Input is the serial data input.
Oversampling techniques are used for data re-
covery by discriminating between valid incoming
data and noise.
Through this pins, serial data is transmitted and re-
ceived as frames comprising:
– An Idle Line prior to transmission or reception
– A start bit
– A data word (8 or 9 bits) least significant bit first
– A Stop bit indicating that the frame is complete.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST72371N4B1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCUs WITH 16K ROM/OTP/EPROM,512 BYTES RAM, ADC, DAC (PWM), TIMER, I2C AND SCI |
| ST72371N4B1/XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|8-BIT|ST72 CPU|CMOS|SDIP|56PIN|PLASTIC |
| ST72371N4T1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCUs WITH 16K ROM/OTP/EPROM,512 BYTES RAM, ADC, DAC (PWM), TIMER, I2C AND SCI |
| ST72372 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCUs WITH 16K ROM/OTP/EPROM,512 BYTES RAM, ADC, DAC (PWM), TIMER, I2C AND SCI |
| ST72372J4B1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCUs WITH 16K ROM/OTP/EPROM,512 BYTES RAM, ADC, DAC (PWM), TIMER, I2C AND SCI |
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