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參數(shù)資料
| 型號(hào)： | MM908E626AVDWB |
| 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, LEAD FREE, PLASTIC, SOIC-54 |
| 文件頁(yè)數(shù)： | 14/44頁(yè) |
| 文件大小： | 833K |
| 代理商： | MM908E626AVDWB |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
21
908E626
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
RESET EXTERNAL SOURCE
External Reset Pin
The microcontroller has the capability of resetting the
SMARTMOS device by pulling down the RST pin.
Reset Mask Register (RMR)
Bit7
6
5
4
3
2
1
Bit0
Read
Write
Reset
TTEST—High Temperature Reset Test
This read/write bit is for test purposes only. It decreases
the overtemperature shutdown limit for final test. Reset clears
the HTRE bit.
1 = Low temperature threshold enabled.
0 = Low temperature threshold disabled.
HVRE—High Voltage Reset Enable Bit
This read/write bit enables resets on high voltage
conditions. Reset clears the HVRE bit.
1 = High voltage reset enabled.
0 = High voltage reset disabled.
HTRE—High Temperature Reset Enable Bit
This read/write bit enables resets on high temperature
conditions. Reset clears the HTRE bit.
1 = High temperature reset enabled.
0 = High temperature reset disabled.
SERIAL PERIPHERAL INTERFACE
The serial peripheral interface (SPI) creates the
communication link between the microcontroller and the
908E626.
The interface consists of four pins (see Figure 11):
SS—Slave Select
MOSI—Master-Out Slave-In
MISO—Master-In Slave-Out
SPSCK—Serial Clock (maximum frequency 4.0 MHz)
A complete data transfer via the SPI consists of 2 bytes.
The master sends address and data, slave system status,
and data of the selected address.
S7
S6
S5
S4
S3
S2
S1
S0
R/W
A4
A3
A2
A1
A0
P
X
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
System Status Register
Read/Write, Address, Parity
Data (Register write)
Data (Register read)
Rising edge of SPSCK
Change MISO/MOSI
Output
Falling edge of SPSCK
Sample MISO/MOSI
Input
Slave latch
register address
Slave latch
data
SS
MOSI
MISO
SPSCK
Figure 11. SPI Protocol
During the inactive phase of SS, the new data transfer is
prepared. The falling edge on the SS line indicates the start
of a new data transfer and puts MISO in the low-impedance
mode. The first valid data are moved to MISO with the rising
edge of SPSCK.
The MISO output changes data on a rising edge of
SPSCK. The MOSI input is sampled on a falling edge of
SPSCK. The data transfer is only valid if exactly 16 sample
clock edges are present in the active phase of SS.
Register Name and Address: RMR - $06
TTEST
0
HVRE
HTRE
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM908E626AVDWB/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
| MM908E626AVEK | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 QUADSTEPPER W/MCU RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| MM908E626AVPEK | 功能描述:8位微控制器 -MCU MCU + LIN + MOTOR DRIVER 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 |
| MM908E626AVPEKR2 | 功能描述:8位微控制器 -MCU 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 |
| MM908E626R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
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