MC33912BACR2 Freescale Semiconductor, MC33912BACR2 Datasheet - Page 28

• Manufacturer Part Number: MC33912BACR2
• Description: IC SYSTEM BASIS CHIP 32LQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC33912BACR2

• Applications: System Basis Chip
• Current - Supply: 4.5mA
• Voltage - Supply: 5.5 V ~ 27 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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33912
FUNCTIONAL DEVICE OPERATIONS
OPERATIONAL MODES
Legend
WD: Watchdog
WD Disabled: Watchdog disabled (WDCONF pin connected to GND)
WD Trigger: Watchdog is triggered by SPI command
WD Failed: No watchdog trigger or trigger occurs in closed window
Stop Command: Stop command sent via SPI
Sleep Command: Sleep command sent via SPI
Wake-up from Stop Mode: L1, L2, L3 or L4 state change, LIN bus wake-up, Periodic wake-up, CS rising edge wake-up or RST wake-up.
Wake-up from Sleep Mode: L1, L2, L3 or L4 state change, LIN bus wake-up, Periodic wake-up.
Power
Down
Notes:
WD - means Watchdog
WD disabled - means Watchdog disabled (WDCONF terminal connected to GND)
WD trigger – means Watchdog is triggered by SPI command
WD failed – means no Watchdog trigger or trigger occurs in closed window
STOP Command - means STOP command sent via SPI
SLEEP Command - means SLEEP command send via SPI
Wake-Up - means L1 or L2 state change or LIN bus wake up or SS rising edge
Power Up
Figure 14. Operating Modes and Transitions
Reset
Wake-up (Reset)
Wake-Up (Reset)
V
V
DD
DD
Normal Request Timeout Expired (t
Low (>NR
LOW (>t
and VSUV = 0
and VSUV = 0
TOUT
Normal Request timeout expired (NR
V
NRTOUT
Reset Delay (t
DD
) expired
High and Reset Delay (t
V
V
) Expired
WD Failed
DD
DD
V
V
WD failed
DD
V
V
Sleep
DD
V
High and
DD
DD
Low
Low
DD
Low
Low
Low
RST
Low
) Expired
RST
Sleep Command
) expired
SLEEP Command
NRTOUT
TOUT
)
)
Analog Integrated Circuit Device Data
Request
Normal
Normal
Stop
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