MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 236

• Manufacturer Part Number: MPC555CME
• Description: KIT EVALUATION FOR MPC555
• Manufacturer: Freescale Semiconductor
• Type: Microcontrollerr

Specifications of MPC555CME

• Contents: Module Board, Installation Guide, Power Supply, Cable, Software and more
• Processor To Be Evaluated: MPC555
• Data Bus Width: 32 bit
• Interface Type: RS-232
• For Use With/related Products: MPC555
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

6.13.3.2 Software Service Register (SWSR)
MPC555
USER’S MANUAL
Bit(s)
30
31
The SWSR is the location to which the SWT servicing sequence is written. To prevent
SWT time-out, the user should write a 0x556C followed by 0xAA39 to this register. The
SWSR can be written at any time but returns all zeros when read.
/
MPC556
Name
SWRI
SWP
Software watchdog reset/interrupt select
0 = Software watchdog time-out causes a non-maskable interrupt to the RCPU
1 = Software watchdog time-out causes a system reset
Software watchdog prescale
0 = Software watchdog timer is not pre-scaled
1 = Software watchdog timer is prescaled by 2048
Table 6-13 SYPCR Bit Descriptions (Continued)
SYSTEM CONFIGURATION AND PROTECTION
Rev. 15 October 2000
Description
MOTOROLA
6-28