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參數(shù)資料
| 型號： | MM908E622ACDWB/R2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO54 |
| 封裝： | 17.90 X 7.50 MM, 0.65 MM PITCH, PLASTIC, SOIC-54 |
| 文件頁數(shù)： | 26/66頁 |
| 文件大?。?/td> | 1277K |
| 代理商： | MM908E622ACDWB/R2 |
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Analog Integrated Circuit Device Data
32
Freescale Semiconductor
908E622
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
Figure 16. LIN Interface
TXD Pin
The TXD pin is the MCU interface to control the state of the
LIN transmitter (see Figure 2, page 2). When TXD is LOW,
the LIN pin is low (dominant state). When TXD is HIGH, the
LIN output MOSFET is turned off (recessive state). The TXD
pin has an internal pull-up current source in order to set the
LIN bus to recessive state in the event, for instance, the
microcontroller could not control it during system power-up or
power-down.
RXD Pin
The RXD transceiver pin is the MCU interface, which
reports the state of the LIN bus voltage. LIN HIGH (recessive
state) is reported by a high level on RXD, LIN LOW (dominant
state) by a low level on RXD.
STOP Mode and Wake-up Feature
During STOP mode operation the transmitter of the
physical layer is disabled and the internal pull-up resistor is
disconnected from VSUP, and a small current source keeps
the LIN pin in recessive state. The receiver is still active and
able to detect wake-up events on the LIN bus line.
If the LIN interrupt is enabled (LINIE bit in the Interrupt
Mask register is set), a dominant level longer than tPROPWL
followed by an rising edge will set the LINIF flag and generate
an interrupt which causes a system wake-up (see Figure 8,
SLEEP Mode and Wake-up Feature
During SLEEP mode operation, the transmitter of the
physical layer is disabled and the internal pull-up resistor is
disconnected from VSUP. A small current source keeps the
LIN pin in recessive state. The receiver is still active to be
able to detect wake-up events on the LIN bus line.
A dominant level longer than tPROPWL followed by an rising
edge will generate a system wake-up (reset), and set the
LINWF flag in the Reset Status register (RSR). Also see
A0 INPUT AND ANALOG MULTIPLEXER
A0 - Analog Input
Input A0 is an analog input used for reading switches or as
analog inputs for potentiometers, NTC, etc.
A0 is internally connected to the analog multiplexer. This
pin offers a switchable current source. To read the Analog
Input the pin, it has to be selected with the SS[3:0] bits in the
A0MUCTL register.
Control
Receiv
er
Wake-up
RXD
TXD
GND
VSUP
Slope
Control
30k
10A
LIN bus
SRS[1:0]
PSON
LINCL
LINIF
Wake-up
Filter
MODE
TESTMODE
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MM908E622ACEK | 功能描述:8位微控制器 -MCU QUAD H-B TRIHS EC GLASS 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| MM908E622ACPEK | 功能描述:IC QUAD HALF BRDG TRPL SW 54SOIC RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器 - 特定應用 系列:- 產(chǎn)品變化通告:Product Discontinuation 26/Aug/2009 標準包裝:250 系列:- 應用:網(wǎng)絡處理器 核心處理器:4Kc 程序存儲器類型:- 控制器系列:- RAM 容量:16K x 8 接口:以太網(wǎng)，UART，USB 輸入/輸出數(shù):- 電源電壓:1.8V, 3.3V 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:208-LQFP 包裝:帶卷 (TR) 供應商設備封裝:PG-LQFP-208 其它名稱:SP000314382 |
| MM908E622ACPEKR2 | 功能描述:8位微控制器 -MCU QUAD H-B, TRIHS, EC 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| MM908E624 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:TRIPLE HIGH-SIDE SWITCH WITH EMBEDDED MCU AND LIN |
| MM908E624ACDWB | 功能描述:IC TRPL SWITCH MCU/LIN 54-SOIC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器 - 特定應用 系列:- 產(chǎn)品變化通告:Product Discontinuation 26/Aug/2009 標準包裝:250 系列:- 應用:網(wǎng)絡處理器 核心處理器:4Kc 程序存儲器類型:- 控制器系列:- RAM 容量:16K x 8 接口:以太網(wǎng)，UART，USB 輸入/輸出數(shù):- 電源電壓:1.8V, 3.3V 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:208-LQFP 包裝:帶卷 (TR) 供應商設備封裝:PG-LQFP-208 其它名稱:SP000314382 |
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