MC33912_10 Datasheet, PDF (4/94 Pages) Freescale Semiconductor, Inc – LIN System Basis Chip with DC Motor Pre-driver and Current Sense

INTERNAL BLOCK DIAGRAM
MC33912G5AC / MC34912G5AC
RST IRQ
INTERNAL BLOCK DIAGRAM
VS2
VS1
VDD
INTERRUPT CONTROL
MODULE
LVI, HVI,
ALL OT (VDD,HS,LS,LIN,SD)
VOLTAGE REGULATOR
PWMIN
MISO
MOSI
SCLK
CS
ADOUT0
RESET CONTROL
MODULE
LVR, WD, EXT µC
WINDOW
WATCHDOG
MODULE
SPI
&
CONTROL
WAKE-UP MODULE
5V OUTPUT
MODULE
LOW SIDE
CONTROL
MODULE
VS2
HIGH SIDE
CONTROL
MODULE
VS2
V_BAT
SENSE MODULE
CHIP TEMPERATURE
SENSE MODULE
ANALOG INPUT
MODULE
RXD
LIN PHYSICAL
TXD
LAYER
DIGITAL INPUT MODULE
CURRENT SENSE MODULE
LGND
WDCONF
ADOUT1
Figure 2. 33912 Simplified Internal Block Diagram
AGND
HVDD
LS1
LS2
PGND
HS1
HS2
VSENSE
L1
L2
L3
L4
LIN
ISENSEH
ISENSEL
33912
4
Analog Integrated Circuit Device Data
Freescale Semiconductor