參數(shù)資料
型號(hào)： MM908E425AIDWB
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication
中文描述： 綜合四半僅符合電源橋，嵌入式微控制器和LIN串行通信
文件頁(yè)數(shù)： 14/49頁(yè)
文件大小： 490K
代理商： MM908E425AIDWB
Analog Integrated Circuit Device Data
Freescale Semiconductor
14
908E425
FUNCTIONAL DESCRIPTION
INTRODUCTION
FUNCTIONAL DESCRIPTION
INTRODUCTION
The 908E425 device was designed and developed as a
highly integrated and cost-effective solution for automotive
and industrial applications. For automotive body electronics,
the 908E425 is well suited to perform complete mirror, door
lock, and light-levelling control all via a three-wire LIN bus.
This device combines an standard HC08 MCU core
(68HC908EY16) with flash memory together with a
SMARTMOS
IC chip. The
SMARTMOS
IC chip
combines power and control in one chip. Power switches are
provided on the
SMARTMOS
IC configured as half-bridge
outputs with one high-side switch. Other ports are also
provided; they include Hall-effect sensor input ports, analog
input ports, and a selectable HVDD pin. An internal voltage
regulator is provided on the
SMARTMOS
IC chip, which
provides power to the MCU chip.
Also included in this device is a LIN physical layer, which
communicates using a single wire. This enables the device to
be compatible with three-wire bus systems, where one wire is
used for communication, one for battery, and the third for
ground.
FUNCTIONAL PIN DESCRIPTION
See
Figure 1
for a graphic representation of the various
pins referred to in the following paragraphs. Also, see the pin
diagram on
Figure 3
for a depiction of the pin locations on the
package.
PORT A I /O PINS (PTA0:4)
These pins are special-function, bidirectional I/O port pins
that are shared with other functional modules in the MCU.
PTA0 : PTA4 are shared with the keyboard interrupt pins,
KBD0 : KBD4.
The PTA5/SPSCK pin is not accessible in this device and
is internally connected to the SPI clock pin of the analog die.
The PTA6/
SS
pin is likewise not accessible.
For details refer to the 68HC908EY16 datasheet.
PORT B I/O PINS (PTB1, PTB3:7)
These pins are special-function, bidirectional I/O port pins
that are shared with other functional modules in the MCU. All
pins are shared with the ADC module. The PTB6 : PTB7 pins
are also shared with the Timer B module.
PTB0/AD0 is internally connected to the ADOUT pin of the
analog die, allowing diagnostic measurements to be
calculated; e.g., current recopy, V
SUP
, etc. The PTB2/AD2
pin is not accessible in this device.
For details refer to the 68HC908EY16 datasheet.
PORT C I/O PINS (PTC2:4)
These pins are special-function, bidirectional I/O port pins
that are shared with other functional modules in the MCU. For
example, PTC2 : PTC4 are shared with the ICG module.
PTC0/MISO and PTC1/MOSI are not accessible in this
device and are internally connected to the MISO and MOSI
SPI pins of the analog die.
For details refer to the 68HC908EY16 datasheet.
PORT D I /O PINS (PTD0:1)
PTD1/ TACH1 and PTD0/ TACH0/BEMF are special-
function, bidirectional I /O port pins that can also be
programmed to be timer pins.
In step motor applications the PTD0 pin should be
connected to the BEMF output of the analog die in order to
evaluate the BEMF signal with a special BEMF module of the
MCU.
PTD1 pin is recommended for use as an output pin for
generating the FGEN signal (PWM signal) if required by the
application.
PORT E I /O PIN (PTE1)
PTE1/ RXD and PTE0/ TXD are special-function,
bidirectional I/O port pins that can also be programmed to be
enhanced serial communication.
PTE0/TXD is internally connected to the TXD pin of the
analog die.
The connection for the receiver must be done
externally.
EXTERNAL INTERRUPT PIN (IRQ)
The
IRQ
pin is an asynchronous external interrupt pin. This
pin contains an internal pull-up resistor that is always
activated, even when the
IRQ
pin is pulled LOW.
For details refer to the 68HC908EY16 datasheet.
EXTERNAL RESET PIN (RST)
A Logic [0] on the
RST
pin forces the MCU to a known
startup state.
RST
is bidirectional, allowing a reset of the
entire system. It is driven LOW when any internal reset
source is asserted.
This pin contains an internal pull-up resistor that is always
activated, even when the reset pin is pulled LOW.
For details refer to the 68HC908EY16 datasheet.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MM908E621 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
MM908E621_08 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
MM908E621ACDWB 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(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
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(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
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