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| 型號(hào)： | MC908QL4DT |
| 廠商： | Motorola, Inc. |
| 英文描述： | Microcontrollers |
| 中文描述： | 微控制器 |
| 文件頁(yè)數(shù)： | 146/222頁(yè) |
| 文件大?。?/td> | 2861K |
| 代理商： | MC908QL4DT |
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Slave LIN Interface Controller (SLIC) Module
MC68HC908QL4 MC68HC908QL3 MC68HC908QL2 Data Sheet, Rev. 4
146
Freescale Semiconductor
Receiver Buffer Overrun Error
This error is an indication that the receive buffer has not been emptied and additional bytes have
been received, resulting in lost data. Because this interrupt is higher priority than the receive buffer
full interrupts, it will appear first when an overflow condition occurs. There will, however, be a
pending receive interrupt which must also be cleared after the buffer overrun flag is cleared.
Checksum Error (LIN specified error)
The checksum error occurs when the calculated checksum value does not match the expected
value. If this error is encountered, it is important to verify that the correct checksum calculation
method was employed for this message frame. Refer to the LIN specification for more details on
the calculations.
Byte Framing Error
This error comes from the standard UART definition for byte encoding and occurs when the STOP
bit is sampled and reads back as a 0. STOP should always read as 1. In LIN mode (BTM=0), if a
byte framing error occurs in an identifier byte of a LIN header the user must set and then clear
CHKMOD to ensure that the checksum calculation is reset. Failure to do so can result in an
improperly calculated enhanced checksum for the subsequent LIN frame. Because any byte
framing error indicates a corrupted byte, the best practice is to always toggle CHKMOD in the case
of a byte framing error.
NOTE
A byte framing error can also be an indication that the number of data bytes
received in a LIN message frame does not match the value written to the
SLCDLC register. See
14.9.7 Handling LIN Message Headers
for more
details.
Identifier Received Successfully
This interrupt source indicates that a LIN identifier byte has been received with correct parity and
is waiting in the LIN identifier buffer (SLCID). Upon reading this interrupt source from SLCSV, the
user can then decode the identifier in software to determine the nature of the LIN message frame.
To clear this source, SLCID must be read.
Identifier-Parity-Error
A parity error in the identifier (i.e., corrupted identifier) will be flagged. Typical LIN slave
applications do not distinguish between an unknown but valid identifier, and a corrupted identifier.
However, it is mandatory for all slave nodes to evaluate in case of a known identifier all eight bits
of the ID-Field and distinguish between a known and a corrupted identifier. The received identifier
value is reported in SLCID so that the user software can choose to acknowledge or ignore the
parity error message.
Inconsistent-Synch-Field-Error
An Inconsistent-Synch-Field-Error must be detected if a slave detects the edges of the SYNCH
FIELD outside the given tolerance.
Wakeup
The wakeup interrupt source indicates that the SLIC module has entered SLIC run mode from SLIC
stop mode.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC908QL4DW | Microcontrollers |
| MC908QL4M | Microcontrollers |
| MC908QL4V | Microcontrollers |
| MC912DG128x | microcontroller unit 16BIT DEVICE |
| MC68HC912DG128A | microcontroller unit 16BIT DEVICE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC908QL4DW | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Microcontrollers |
| MC908QL4M | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Microcontrollers |
| MC908QL4MDT | 功能描述:IC MCU 8BIT 4K FLASH 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC08 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB（20K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| MC908QL4MDTE | 功能描述:8位微控制器 -MCU NITRON LINE EPP 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 |
| MC908QL4MDTE | 制造商:Freescale Semiconductor 功能描述:Microcontroller |
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