MC33399 Motorola, MC33399 Datasheet - Page 8

• Manufacturer Part Number: MC33399
• Description: Automotive Local Interconnect Network Physical Interface
• Manufacturer: Motorola

Figure 8. Typical Device Application with MCU Wake up from Stop Mode (Non Switchable 5V Regulator, MCU Stop Mode)
8
M
(prev. Wake-Up)
Voltage reg
EN state
LIN bus
I/O(2)
IRQ
Inh
Actuator
Driver
Automotive “Local Interconnect Network” Physical Interface
Figure 9. LIN Wake-up Waveform Diagram with MCU in Stop Mode
Wake-up filtering time (TprogWL)
5V
On state
Freescale Semiconductor, Inc.
MCU in stop mode
For More Information On This Product,
Low or floating
High
HZ / I/O in input state
Go to: www.freescale.com
Vreg
12V
Vdd
MCU
SCI
5V
I/O(2)
IRQ
MCU stop mode recovery/start up time delay
I/O
MC33399
Slave node
5V
High
EN
Txd
Rxd
INH
Wake up from Stop mode
Wake
Protection
Logic
Low
Gnd
V-Reg Ctrl
Wake up
VSUP
Driver
Receiver
V. ref
Bias
Node In Operation
Low
EN high
High
30k
LIN
Master node
pull up
1k