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MM908E622 Datasheet

  • MM908E622

  • Integrated Quad Half-Bridge, Triple High-Side and EC Glass D...

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  • FREESCALE

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Freescale Semiconductor
Technical Data
MM908E622
Rev 1.0, 09/2005
Integrated Quad Half-Bridge,
Triple High-Side and EC Glass
Driver with Embedded MCU and
LIN for High End Mirror
The 908E622 is an integrated single-package solution that
includes a high-performance HC08 microcontroller with a
SMARTMOS
TM
analog control IC. The HC08 includes flash memory,
a timer, enhanced serial communications interface (ESCI), an
analog-to-digital converter (ADC), serial peripheral interface (SPI)
(only internal), and an internal clock generator module. The analog
control die provides four half-bridge and three high-side outputs with
diagnostic functions, an EC glass driver circuit, a Hall-Effect sensor
input, analog inputs, voltage regulator, window watchdog, and local
interconnect network (LIN) physical layer.
The single-package solution, together with LIN, provides optimal
application performance adjustments and space-saving PCB design.
It is well suited for the control of automotive high-end mirrors.
Features
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High-Performance M68HC908EY16 Core
16 K Bytes of On-Chip Flash Memory, 512 Bytes of RAM
Internal Clock Generator Module (ICG)
Two 16-Bit, 2-Channel Timers
10-Bit Analog-to-Digital Converter (ADC)
LIN Physical Layer Interface
Autonomous MCU Watchdog / MCU Supervision
One Analog Input with Switchable Current Source
Four Low RDS(ON) Half-Bridge Outputs
Three Low RDS(ON) High-Side Outputs
EC glass driver circuitry
Wake-Up Input
One 2/3-Pin Hall-Effect Sensor Input
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12 Microcontroller I/Os
908E622
>2 2碌F
100nF
908E622
QUAD HALF-BRIDGE, TRIPLE HIGH-SIDE
SWITCH AND EC GLASS CIRCUITRY WITH
EMBEDDED MCU AND LIN
DWB SUFFIX
98ARL10519D
54-TERMINAL SOICW-EP
ORDERING INFORMATION
Device
MM908E622ACDWB/R2
Temperature
Range (T
A
)
-40擄C to 85擄C
Package
54 SOICW-EP
LIN
VSUP[1:8]
L0
Wake Up Input
100nF
7
4. 碌F
VDDA/VREFH
EVDD
VDD
VSSA/VREFL
EVSS
VSS
RST_A
RST
IRQ_A
IRQ
PTA0/KBD0
PTA1/KBD1
PTA2/KBD2
PTA3/KBD3
PTA4/KBD4
PTB3/AD3
PTB4/AD4
PTB5/AD5
PTC2/MCLK
PTC3/OSC2
PTC4/OSC1
HB1
HB2
M
M
4 x Half Bridge Outputs
HB3
M
HB4
HS1
HS2
HS3
High Side Output 1
High Side Output 2
High Side Output 3
碌C PortA
碌C PortB
ECR
EC
EC - Glas Control
碌C PortC
HVDD
A0
A0CST
H0
GND[1:4]
EP
TESTMODE
Switched 5V output
Analog Input with current source
Analog Input current source trim
2-/3-pin hall sensor input
Pull to ground for user mode
Internally connected
碌C PortD
碌C PortE
PTD0/TACH0
PTD1/TACH1
PTE1/RxD
Internally connected
Figure 1. 908E622 Simplified Application Diagram
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
漏 Freescale Semiconductor, Inc., 2005. All rights reserved.

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