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PDF 33661 Data sheet ( Hoja de datos )
| Número de pieza | 33661 | |
| Descripción | LIN Enhanced Physical Interface | |
| Fabricantes | Motorola Inc | |
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MOTOROLA
Freescale Semiconductor, Inc.
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33661
Rev 3.0, 10/2004
Advance Information
LIN Enhanced Physical Interface
Local Interconnect Network (LIN) is a serial communication protocol
designed to support automotive networks in conjunction with Controller Area
Network (CAN). As the lowest level of a hierarchical network, LIN enables
cost-effective communication with sensors and actuators when all the features
of CAN are not required.
The 33661 is a Physical Layer component dedicated to automotive LIN sub-
bus applications. It offers slew rate selection for optimized operation at
10 kbps and 20 kbps, fast baud rate (above 100 kbps) for test and
programming modes, excellent radiated emission performance, and safe
behavior in the event of LIN bus short-to-ground or LIN bus leakage during
low-power mode.
Features
• Operational from VSUP 6.0 V to 18 V DC, Functional up to 27 V DC, and
Handles 40 V During Load Dump
• Active Bus Waveshaping Offering Excellent Radiated Emission
Performance
• 5.0 kV ESD on LIN Bus Terminal
• 30 kΩ Internal Pullup Resistor
• LIN Bus Short-to-Ground or High Leakage in Sleep Mode
• -18 V to +40 V DC Voltage at LIN Terminal
• 8.0 µA Standby Current in Sleep Mode
• Local and Remote Wake-Up Capability Reported by INH and RXD
Terminals
• 5.0 V and 3.3 V Compatible Digital Inputs Without Any External
Components Required
33661
LIN INTERFACE
D SUFFIX
CASE 751-06
8-TERMINAL SOICN
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33661D/R2 -40°C to 125°C
8 SOICN
33661 Simplified Application Diagram
VPWR
12.0 V / 5.0 V
Regulator
MCU
33661
WAKE
VSUP
INH
EN
RXD
LIN Bus
LIN
TXD GND
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Motorola, Inc. 2004
For More Information On This Product,
Go to: www.freescale.com
1 page  
Freescale Semiconductor, Inc.
STATIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions 7.0 V ≤ VSUP ≤ 18 V, -40°C ≤ TA ≤ 125°C, GND = 0 V unless otherwise noted. Typical values
noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
VSUP TERMINAL (DEVICE POWER SUPPLY)
Symbol
Min Typ Max Unit
Nominal DC Voltage
VSUP
7.0 13.5 18.0
V
Functional DC Voltage
TA ≥ 25°C
VSUP
V
6.0 –
–
Supply Current in Sleep Mode
VSUP ≤ 13.5 V, Bus Recessive
13.5 V < VSUP < 18 V
VSUP ≤ 13.5 V, Bus Dominant or Shorted to GND
µA
IS1 – 8.0 12
IS2 – – 200
IS3 – 300 –
Supply Current in Normal, Slow or Fast Mode
mA
Bus Recessive, Excluding INH Output Current
IS(N-REC) – 4.0 6.0
Bus Dominant, Total Bus Load >500 Ω, Excluding INH Output Current
IS(N-DOM)
–
6.0 8.0
RXD OUTPUT TERMINAL (LOGIC)
Low-Level Voltage Output
IIN ≤ 1.5 mA
VOL V
0 – 0.9
High-Level Voltage Output
VEN = 5.0 V, IOUT ≤ 250 µA
VEN = 3.3 V, IOUT ≤ 250 µA
VOH
V
4.25 – 5.25
3.0 – 3.5
TXD INPUT TERMINAL (LOGIC)
Low-Level Voltage Input
VIL – – 1.2 V
High-Level Voltage Input
VIH 2.5 – – V
Input Threshold Hysteresis
VINHYST
100 300 800
mV
Pullup Current Source
VEN = 5.0 V, 1.0 V < VTXD < 3.5 V
IS1 µA
-60 -35 -20
ENABLE INPUT TERMINAL (LOGIC)
Low-Level Voltage Input
VIL – – 1.2 V
High-Level Voltage Input
VIH 2.5 – – V
Input Threshold Hysteresis
VINHYST
100 300 800
mV
Low-Level Input Current
VIN = 1.0 V
IIL µA
5.0 20 30
High-Level Input Current
VIN = 4.0 V
IIH µA
– 20 40
LIN BUS TERMINAL (VOLTAGE EXPRESSED VERSUS VSUP VOLTAGE)
Low-Level Dominant Voltage
External Bus Pullup 500 Ω
VLINlow
V
– – 1.4
High-Level Voltage
TXD High, IOUT = 1.0 µA, Recessive State
VLINhigh
V
VSUP - 1.0
–
–
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com
33661
5
5 Page 
Freescale Semiconductor, Inc.
EN
TXD
EN = 0 and TXD = 1
EN = 1 and TXD = 1
EN
t1 (35 µs)
Toggle
t2 (5.0 µs)
Reset to Previous Baud Rate
Figure 11. Fast Baud Rate Selection (Toggle Function)
EN
TXD (H)
Device in Communication Mode
Preparation to Sleep Mode
t SD
Figure 12. Sleep Mode Enter
Sleep Mode
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com
33661
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet 33661.PDF ] | |
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