TYPICAL APPLICATION
LOGIC COMMANDS AND REGISTERS
TYPICAL APPLICATION
The 33912 can be configured in several applications. The figure below shows the 33912 in the typical Slave Node Application.
V
BAT
D1
C2
C1
VDD
IRQ
Interrupt
Control Module
LVI, HVI, HTI, OCI
Voltage Regulator
5V Output Module
C5
C4
C3
AGND
HVDD
Hall Sensor Supply
VDD
Reset
Control Module
LVR, HVR, HTR, WD,
LS1
LS2
RST
IRQ
Low Side Control
Module
HB Type Relay
RST
PGND
Window
R1
Motor Output
Watchdog Module
PWMIN
TIMER
High Side Control
Module
HS1
HS2
MISO
MOSI
SCLK
CS
Chip Temp Sense Module
VBAT Sense Module
SPI
&
CONTROL
SPI
VSENSE
MCU
R2
R3
L1
L2
L3
L4
Analog Input Module
ADOUT0
A/D
Wake Up Module
R4
R5
Analog Input
Analog Input
Digital Input Module
RXD
TXD
LIN Physical Layer
SCI
A/D
LIN
LIN
C6
ISENSEH
ISENSEL
Current Sense Module
R6
ADOUT1
R7
Typical Component Values:
C1 = 47µF; C2 = C4 = 100nF; C3 = 10µF; C5 = 4.7µF; C6 = 220pF
R1 = 10kΩ; R2 = R3 = 10kΩ; R4 = R5 = 33kΩ; R6 = 20Ω; R7 = 20kΩ-200kΩ
Recommended Configuration of the not Connected Pins (NC):
Pin 28 = this pin is not internally connected and may be used for PCB routing
optimization.
33912
Analog Integrated Circuit Device Data
Freescale Semiconductor
43
FREESCALE [ Freescale ]
