mc33911 Freescale Semiconductor, Inc, mc33911 Datasheet - Page 41

• Manufacturer Part Number: mc33911
• Description: Mc33911 Lin System Basis Chip With Dc Motor Pre-driver
• Manufacturer: Freescale Semiconductor, Inc

Analog Integrated Circuit Device Data
Freescale Semiconductor
The 33911 can be configured in several applications. The figure below shows the 33911 in the typical Slave Node Application.
VDD
C4
MCU
C3
TIMER
RST
IRQ
SPI
A/D
SCI
ADOUT0
PWMIN
MISO
MOSI
SCLK
VDD
RXD
RST
TXD
IRQ
CS
LVR, HVR, HTR, WD,
LVI, HVI, HTI, OCI
Watchdog Module
LIN Physical Layer
Wake Up Module
Control Module
Control Module
CONTROL
Interrupt
Window
Reset
SPI
&
TYPICAL APPLICATION
R4
Typical Component Values:
Recommended Configuration of the not Connected Pins (NC):
C1 = 47µF; C2 = C4 = 100nF; C3 = 10µF; C5 = 220pF
R1 = 10kΩ; R2 = R3 = 10kΩ; R4 = 20kΩ-200kΩ
Pin 15, 16, 20, 21 = GND
Pin 11, 30 = open (floating)
Pin 24 = open (floating) or VS2
Pin 28 = this pin is not internally connected and may be used for PCB routing
optimization.
Voltage Regulator
High Side Control
Low Side Control
Chip Temp Sense Module
Digital Input Module
Module
Module
VBAT Sense Module
Analog Input Module
AGND
PGND
C2
LS1
LS2
HS1
L1
L2
LIN
LOGIC COMMANDS AND REGISTERS
C1
VSENSE
HB Type Relay
Motor Output
R2
R3
D1
TYPICAL APPLICATION
C5
LIN
V
R1
BAT
33911
41