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參數(shù)資料
| 型號： | MM908E621ACDWB |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 26/60頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC QUAD HALF BRDG TRPL SW 54SOIC |
| 標準包裝： | 26 |
| 應用： | 自動鏡像控制 |
| 核心處理器： | HC08 |
| 程序存儲器類型： | 閃存（16 kB） |
| 控制器系列： | 908E |
| RAM 容量： | 512 x 8 |
| 接口： | SCI，SPI |
| 輸入/輸出數(shù)： | 12 |
| 電源電壓： | 9 V ~ 16 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 54-BSSOP（0.295"，7.50mm 寬）裸露焊盤 |
| 包裝： | 管件 |
| 供應商設備封裝： | 54-SOICW-EP |
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Analog Integrated Circuit Device Data
32
Freescale Semiconductor
908E621
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
To calibrate the current sources, an extra pin (A0CST) is
envisioned. On this pin, an accurate resistor can to be
connected. Switching the current sources to this resistor,
allows the user to measure the current and use the measured
value for calculating the current on A0.
Analog Multiplexer / ADOUT pin
The ADOUT pin is the analog output interface to the
Analog-to-digital converter of the MCU. To be able to have
different sources for the MCU with one single signal, an
analog multiplexer is integrated in the analog die. This
multiplexer has eleven different sources, which can be
selected with the SS[3:0] bits in the A0MUCTL register.
Half-bridge (HB1:HB4) Current Recopy
The multiplexer is connected to the four current sense
circuits on the low side FET of the half bridges. This sense
circuits offers a voltage proportional to the current through the
MOSFET. The resolution is depending on the CSA bit in the
A0 and Multiplexer control register (A0MUCTL).
High Side (HS1:HS3) Current Recopy
The multiplexer is connected to the three high side
switches. This sense circuit offers a voltage proportional to
the current through the transistor.
Analog Input A0 and A0CST
A0 and A0CST are directly connected to the analog
multiplexer. It offers the possibility to read analog values from
the periphery.
Temperature Sensor
The analog die includes an on chip temperature sensor.
This sensor offers a voltage which is proportional to the
actual mean chip junction temperature.
VSUP Prescaler
The VSUP prescaler offers a possibility to measure the
external supply voltage. The output of this voltage is VSUP /
RATIOVSUP.
A0 and Multiplexer Control Register (A0MUCTL)
CSON — Current Source on/off
This read/write bit enables the current source for the A0 or
A0CST inputs. Reset clears CSON bit.
1 = Current Source enabled
0 = Current Source disabled
CSSEL[1:0] — Current Source Select Bits
These read/write bits select the current source values for
A0 or A0CST input. Reset clears CSSEL[1:0] bits.
Table 7. A0 Current Source Level Selection Bits
CSA — H-bridges Current Sense Amplification Select Bit
This read/write bit selects the current sense amplification
of the H-Bridges HB1:HB4 current recopy. Reset clears the
CSA bit.
1 = low current sense amplification
0 = high current sense amplification
SS[3:0] — Analog Source Input Select Bits
These read/write bits selects the analog input source for
the ADOUT pin. Reset clears the SS[3:0] bits Analog
Multiplexer Configuration Bits.
IA0(UA0)
UA0[V]
5
4.75
100%
Register Name and Address: A0MUCTL - $08
Bit7
6
5
4
3
2
1
Bit0
Read
CSON CSSEL
1
CSSEL
0
CSA
SS3
SS2
SS1
SS0
Write
Reset
0
CSSEL1
CSSEL0
Current Source Enable (typ.)
0
40 A
0
1
120 A
1
0
320 A
1
800 A
SS3
SS2
SS1
SS0
Channel
0000
current recopy HB1
0001
current recopy HB2
0010
current recopy HB3
0011
current recopy HB4
0100
current recopy HS1
0101
current recopy HS2
0110
current recopy HS3
0111
not used
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MM908E621ACDWB/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half-bridge and Triple High Side with Embedded MCU and LIN for High End Mirror |
| MM908E621ACDWBR2 | 功能描述:8位微控制器 -MCU QUAD HB / TRIPLE HS 841B 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 |
| MM908E621ACPEK | 功能描述:8位微控制器 -MCU QUAD H-B/3-HS W/MCU & LI 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 |
| MM908E621ACPEKR2 | 功能描述:8位微控制器 -MCU QUAD HB AND TRIPLE HS 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 |
| MM908E622 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half-Bridge, Triple High-Side and EC Glass Driver with Embedded MCU and LIN for High End Mirror |
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