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Freescale Semiconductor Electronic Components Datasheet

MC33689D Datasheet

System Basis Chip

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MC33689D pdf
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Technical Data
System Basis Chip with LIN
Transceiver
Document Number: MC33689
Rev. 7.0, 8/2006
33689D
The 33689 is a SPI-controlled System Basis Chip (SBC) that
combines many frequently used functions in an MCU-based system
plus a Local Interconnect Network (LIN) transceiver. Applications
include power window, mirror, and seat controls. The 33689 has a
5.0 V, 50 mA low dropout regulator with full protection and reporting
features. The device provide full SPI-readable diagnostics and a
selectable timing watchdog for detecting errant operation.
The LIN transceiver waveshaping circuitry can be disabled for
higher data rates. One 50 mA and two 150 mA high-side switches with
output protection are available to drive inductive or resistive loads. The
150 mA switches can be pulse-width modulated (PWM).
Two high-voltage inputs are available for contact monitoring or as
external wake-up inputs. A current sense operational amplifier is
available for load current monitoring.
The 33689 has three operational modes:
• Normal (all functions available)
• Sleep (VDD OFF, wake-up via LIN bus or wake-up inputs)
• Stop (VDD ON, wake-up via MCU, LIN bus, or wake-up inputs)
SYSTEM BASIS CHIP WITH LIN
DWB SUFFIX
EW SUFFIX (PB-FREE)
98ARH99137A
32-PIN SOICW
Features
• Full-Duplex SPI Interface at Frequencies up to 4.0 MHz
• LIN Transceiver Capable to 100 kbps with Waveshaping Capability
• 5.0 V Low Dropout Regulator Full Fault Detection and Protection
• One 50 mA and Two 150 mA Protected High-Side Switches
• Current Sense Operational Amplifier
• The 33689 is compatible with LIN 2.0 Specification Package.
• Pb-Free Packaging Designated by Suffix Code EW
ORDERING INFORMATION
Device
MC33689DDWB/R2
MCZ33689DEW/R2
Temperature
Range (TA)
-40°C to 125°C
Package
32 SOICW
VDD VPWR
33689
VS1 HS3
VS2
5.0 V VCC L1
VDD L2
WDC
CS CS
MCU SCK
MOSI
SPI
SCLK
MOSI
MISO
MISO
INT
RST
IN
OUT
TXD
RXD
HS1
HS2
E+
E-
GND
TGND
AGND
LIN
BUS
Figure 1. 33689 Simplified Application Diagram
Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as
may be required, to permit improvements in the design of its products.
© Freescale Semiconductor, Inc., 2006. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MC33689D Datasheet

System Basis Chip

No Preview Available !

MC33689D pdf
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
5.0 V/50 mA
VS1 Voltage
VDD
Regulator
Reset
Control
RST
VS2
HS1
HS2
Pre-Driver
HS3
Window
Watchdog
SPI
and
Mode
Control
WDC
IN
MOSI
MISO
SCLK
CS
INT
VCC
L1
Current
E-
Sense
L2
Op Amp
E+
VS1 OUT
LIN LIN Physical Interface
TXD
RXD
GND TGND AGND
Figure 2. 33689 Simplified Internal Block Diagram
33689
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MC33689D
Description System Basis Chip
Maker Freescale Semiconductor
Total Page 30 Pages
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