MC33989DW Freescale Semiconductor, MC33989DW Datasheet - Page 31

• Manufacturer Part Number: MC33989DW
• Description: IC SYSTEM BASE W/CAN 28-SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MC33989DW

• Controller Type: System Basis Chip
• Interface: CAN
• Voltage - Supply: 5.5 V ~ 18 V
• Current - Supply: 45mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• For Use With: KIT33989DWEVB - KIT EVAL 33989DW HS SBC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Mode Control Register (MCR)
Table 9. MCR Register
Table 10. MCR Control Bits
Table 11. MCR Status Bits
Analog Integrated Circuit Device Data
Freescale Semiconductor
Notes
Notes
31.
32.
33.
Table 9
Reset Condition
MCTR2
Reset Value
Bit BATFAIL cannot be set by SPI. BATFAIL is set when V
Watchdog ON or OFF depends on RCR bit D3.
Before entering Sleep mode, bit BATFAIL in MCR must be previously cleared (MCR read operation), and bit NOSTOP in RCR must be
previously set to 1.
Status Bits
0
0
0
0
0
1
1
1
1
VDDTEMP
$000B
BATFAIL
MCR
WDRST
GFAIL
provides Mode Control Register data.
MCTR1
0
0
1
1
1
0
0
1
1
W
Logic OR of CAN Failure (TXF Permanent Dominant, or CAN Over Current or CAN thermal), or HS1 Over
Temperature, or V2 Low
Battery Fail Flag (set when V
Temperature Pre-Warning on V
Watchdog Reset Occurred
R
MCTR0
BATFAIL
0
1
0
1
1
0
1
0
1
D3
—
—
—
(31)
SUP
Stop, Watchdog OFF
DD
Stop, Watchdog ON
Enter/Exit Debug Mode
< 3.0 V)
(latched)
SUP
SBC Mode
Sleep
POR, RESET
Standby
Standby
Normal
Normal
falls below 3.0 V.
VDDTEMP
Stop
MCTR2
D2
(33)
0
Description
(32)
(32)
To enter/exit Debug Mode, refer to detail
Debug Mode: Hardware and Software Debug...
No watchdog running, Debug Mode
POR, RESET
MCTR1
GFAIL
LOGIC COMMANDS AND REGISTERS
D1
0
FUNCTIONAL DEVICE OPERATION
Description
—
—
—
—
—
POR, RESET
WDRST
MCTR0
D0
0
33989
31