mc33912 Freescale Semiconductor, Inc, mc33912 Datasheet - Page 2

• Manufacturer Part Number: mc33912
• Description: Lin System Basis Chip With Dc Motor Pre-driver And Current Sense
• Manufacturer: Freescale Semiconductor, Inc

2
33912
INTERNAL BLOCK DIAGRAM
ADOUT0
PWMIN
SCLK
MISO
MOSI
RXD
TXD
CS
RST IRQ
LVR, HVR, HTR, WD
WAKE-UP MODULE
RESET CONTROL
LVI, HVI, HTI, OCI
LIN PHYSICAL
WATCHDOG
INTERRUPT
CONTROL
CONTROL
WINDOW
MODULE
MODULE
MODULE
LAYER
LGND
SPI
&
Figure 2. 33912 Simplified Internal Block Diagram
INTERNAL BLOCK DIAGRAM
WDCONF
VS2
CURRENT SENSE MODULE
DIGITAL INPUT MODULE
ADOUT1
5V OUTPUT
VOLTAGE REGULATOR
HIGH SIDE
VS1
LOW SIDE
CONTROL
CONTROL
CHIP TEMPERATURE
MODULE
MODULE
MODULE
SENSE MODULE
SENSE MODULE
ANALOG INPUT
MODULE
V
BAT
VDD
Analog Integrated Circuit Device Data
VS2
VS2
Freescale Semiconductor
LIN
ISENSEH
ISENSEL
VSENSE
L1
L2
L3
L4
AGND
HVDD
HS1
HS2
LS1
LS2
PGND