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參數(shù)資料
| 型號： | MM908E626 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
| 中文描述： | 集成的步進(jìn)電機(jī)驅(qū)動器，帶有嵌入式微控制器和LIN串行通信 |
| 文件頁數(shù)： | 22/38頁 |
| 文件大?。?/td> | 507K |
| 代理商： | MM908E626 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
22
908E626
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
TXD Terminal
The TXD terminal is the MCU interface to control the state
of the LIN transmitter (see
Figure
, page
2
). When TXD is
LOW, LIN output is low (dominant state). When TXD is HIGH,
the LIN output MOSFET is turned off. The TXD terminal has
an internal pullup current source in order to set the LIN bus in
recessive state in the event, for instance, the microcontroller
could not control it during system power-up or power-down.
RXD Terminal
The RXD transceiver terminal 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.
Analog Multiplexer ADOUT Terminal
The ADOUT terminal is the analog output interface to the
ADC of the MCU (see
Figure
, page
2
). An analog multiplexer
is used to read six internal diagnostic analog voltages.
Current Recopy
The analog multiplexer is connected to the four low-side
current sense circuits of the half-bridges. These sense
circuits offer a voltage proportional to the current through the
low-side MOSFET. High or low resolution is selectable:
5.0 V 2.5 A or 5.0 V / 500 mA, respectively. (Refer to
Half-
Bridge Current Recopy on page 25
.)
Temperature Sensor
The 908E626 includes an on-chip temperature sensor.
This sensor offers a voltage that is proportional to the actual
chip junction temperature.
V
SUP
Prescaler
The V
SUP
prescaler permits the reading or measurement
of the external supply voltage. The output of this voltage is
V
SUP
/ RATIO
VSUP
.
The different internal diagnostic analog voltages can be
selected with the ADMUX Register.
Analog Multiplexer Configuration Register (ADMUX)
SS3, SS2, SS1, and SS0 — A D Input Select Bits
These read write bits select the input to the ADC in the
microcontroller according to
Table 4
, page
22
. Reset clears
SS3, SS2, SS1, and SS0 bits.
Table 4. Analog Multiplexer Configuration Register
Power Output Register (POUT)
HVDDON — HVDD On Bit
This read/write bit enables HVDD output. Reset clears the
HVDDON bit.
1 = HVDD enabled.
0 = HVDD disabled.
HALF-BRIDGES
Outputs HB1 HB4 provide four low-resistive half-bridge
output stages. The half-bridges can be used in H-Bridge,
high-side, or low-side configurations.
Reset clears all bits in the H-Bridge Output Register
(HBOUT) owing to the fact that all half-bridge outputs are
switched off.
HB1: HB4 output features:
Short circuit (overcurrent) protection on high-side and
low-side MOSFETs.
Current recopy feature (low side MOSFET).
Register Name and Address: ADMUX - $07
Bit 7
6
5
4
3
2
1
Bit 0
Read
0
0
0
0
SS3
SS2
SS1
SS0
Write
Reset
0
0
0
0
0
0
0
0
SS3
SS2
SS1
SS0
Channel
0
0
0
0
Current Recopy HB1
0
0
0
1
Current Recopy HB2
0
0
1
0
Current Recopy HB3
0
0
1
1
Current Recopy HB4
0
1
0
0
V
SUP
Prescaler
0
1
0
1
Temperature Sensor
0
1
1
0
Not Used
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
Register Name and Address: P
OUT
- $0b
Bit 7
6
5
4
3
2
1
Bit 0
Read
0
0
0
(14)
0
(14)
0
(14)
0
(14)
HVDDO
N
0
(14)
Write
Reset
0
0
0
0
0
0
0
0
Notes
14.
This bit must always be set to 0.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM908E626AVDWB | 功能描述:馬達(dá)/運動/點火控制器和驅(qū)動器 QUADSTEPPER 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 |
| 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)/運動/點火控制器和驅(qū)動器 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(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(fēng)格:SMD/SMT |
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