MC33912BAC Freescale Semiconductor, MC33912BAC Datasheet - Page 79

• Manufacturer Part Number: MC33912BAC
• Description: IC SYSTEM BASIS CHIP 32LQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC33912BAC

• Applications: System Basis Chip
• Current - Supply: 4.5mA
• Voltage - Supply: 5.5 V ~ 27 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LIN PHYSICAL LAYER
communication in automotive applications. The LIN physical
layer is designed to meet the LIN physical layer specification
and has the following features:
Slew Rate Selection
10.4 and 20 kBit/s as well as a fast baud rate for test and
programming. The slew rate can be adapted with the bits
LSR 1:0 in the LIN Control Register (LINCR). The initial slew
rate is optimized for 20 kBit/s.
Analog Integrated Circuit Device Data
Freescale Semiconductor
The LIN bus pin provides a physical layer for single-wire
• LIN physical layer 2.0 compliant
• Slew rate selection
• Over-current shutdown
• Over-temperature shutdown
• LIN pull-up disable in Stop and Sleep modes
• Advanced diagnostics
• LIN dominant voltage level selection
The slew rate can be selected for optimized operation at
RXSHORT
RXONLY
MOD1:2
TXDOM
LSR0:1
RXD
LINOT
LINOC
TXD
LINPE
LDVS
Over-temperature Shutdown (interrupt maskable)
Over-current Shutdown (interrupt maskable)
High-voltage
Shutdown
WAKE-UP
Slope and Slew Rate Control
FILTER
Figure 42. LIN Interface
LIN – DRIVER
INTERRUPT
CONTROL
MODULE
High Side
Interrupt
SLOPE
CONTROL
RECEIVER
and thermal shutdown. An internal pull-up resistor with a
serial diode structure is integrated, so no external pull-up
components are required for the application in a slave node.
The fall time from dominant to recessive and the rise time
from recessive to dominant is controlled. The symmetry
between both slopes is guaranteed.
LIN Pin
external disturbance, guaranteeing communication during
external disturbance.
LIN Pull-up Disable In Stop And Sleep Modes
during low-power mode, the internal pull-up resistor on the
LIN pin can be disconnected by clearing the LINPE bit in the
Mode Control Register (MCR). The LINPE bit also changes
the Bus wake-up threshold (
and SLEEP modes. It also improves performance and safe
operation.
The LIN driver is a low side MOSFET with over-current
The LIN pin offers a high susceptibility immunity level from
In cases of a LIN bus short to GND or LIN bus leakage
This feature will reduce the current consumption in STOP
LIN
Wake-up
WAKE-UP
MODULE
LGND
VS1
FUNCTIONAL DEVICE OPERATIONS
30K
V
BUSWU
).
OPERATIONAL MODES
LIN
33912
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