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)： 24/44頁(yè)
文件大?。?/td> 833K
代理商： MM908E626AVDWB
Analog Integrated Circuit Device Data
30
Freescale Semiconductor
908E626
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
CSA—H-bridges Current Sense Amplification Select Bit
This read/write bit selects the current sense amplification
of the H-bridges. Reset clears the CSA bit.
1 = Current sense amplification set for measuring 0.5 A.
0 = Current sense amplification set for measuring 2.5 A.
CLS2:CLS0—H-bridge Current Limitation Selection Bits
These read/write bits select the current limitation value
according to Table 8. Reset clears the CLS2:CLS0 bits.
Table 8. H-bridge Current Limitation Value Selection
Bits
Switchable VDD Outputs
The HVDD pin is a switchable VDD output pin. It can be
used for driving external circuitry that requires a VDD voltage.
The output is enabled with bit PSON in the System Control
Register and can be switched on/off with bit HVDDON in the
Power Output Register. Low or high voltage conditions (LVI/
HVI) have no influence on this circuitry.
HVDD Over-temperature Protection
Over-temperature protection is enabled if the high
temperature reset is enabled.
HVDD Over-current Protection
The HVDD output is protected against over-current. In the
event the over-current limit is or was reached, the output
automatically switches off and the HVDD over-current flag in
the System Status Register is set.
System Control Register (SYSCTL)
PSON—Power Stages On Bit
This read/write bit enables the power stages (half-bridges,
LIN transmitter and HVDD output). Reset clears the PSON
bit.
1 = Power stages enabled.
0 = Power stages disabled.
SRS0:SRS1—LIN Slew Rate Selection Bits
These read/write bits enable the user to select the
appropriate LIN slew rate for different baud rate
configurations as shown in Table 9.
The high speed slew rates are used, for example, for
programming via the LIN and are not intended for use in the
application.
Table 9. LIN Slew Rate Selection Bits
Go to STOP Mode Bit (GS)
This write-only bit instructs the 908E626 to power down
and go into STOP mode. Reset or CPU interrupt requests
clear the GS bit.
1 = Power down and go into STOP mode
0 = Not in STOP mode
System Status Register (SYSSTAT)
Bit7
6
5
4
3
2
1
Bit0
Read
Write
Reset
LINCL — LIN Current Limitation Bit
This read-only bit is set if the LIN transmitter operates in
current limitation region. Due to excessive power dissipation
CLS2
CLS1
CLS0
Current Limit
0
No Limit
0
1
0
1
0
1
55mA (typ)
1
0
260mA (typ)
1
0
1
370mA (typ)
1
0
550mA (typ)
1
740mA (typ)
Register Name and Address: SYSCTL - $03
Bit7
6
5
4
3
2
1
Bit0
Read
PSON
SRS1
SRS0
0
Write
GS
Reset
000
0
SRS1
SRS0
LIN Slew Rate
0
Initial Slew Rate (20 kBaud)
0
1
Slow Slew Rate (10 kBaud)
1
0
High Speed II (8x)
1
High Speed I (4x)
Register Name and Address: SYSSTAT - $0c
0
LINCL
HVDD
_OCF
0
LVF
HVF
HB_
OCF
HTF
0000
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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
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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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