MMC2114 MOTOROLA [Motorola, Inc], MMC2114 Datasheet - Page 298

• Manufacturer Part Number: MMC2114
• Description: M CORE Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Watchdog Timer Module
14.6 Memory Map and Registers
14.6.1 Memory Map
14.6.2 Registers
Advance Information
298
This subsection describes the memory map and registers for the
watchdog timer. The watchdog timer has a base address of
0x00c7_0000.
Refer to
The watchdog timer programming model consists of these registers:
1. S = CPU supervisor mode access only. S/U = CPU supervisor or user mode access. User
0x00c7_0000
0x00c7_0002
0x00c7_0004
0x00c7_0006
•
•
•
•
Freescale Semiconductor, Inc.
mode accesses to supervisor only addresses have no effect and result in a cycle termina-
tion transfer error.
Address
For More Information On This Product,
The Watchdog Control Register (WCR) configures watchdog timer
operation. See
The Watchdog Modulus Register (WMR) determines the timer
modulus reload value. See
Register.
The Watchdog Count Register (WCNTR) provides visibility to the
watchdog counter value. See
Register.
The Watchdog Service Register (WSR) requires a service
sequence to prevent reset. See
Register.
Table 14-1
Table 14-1. Watchdog Timer Module Memory Map
Go to: www.freescale.com
Watchdog Timer Module
for an overview of the watchdog memory map.
14.6.2.1 Watchdog Control
Bits 15–8
Watchdog Count Register (WCNTR)
Watchdog Modulus Register (WMR)
Watchdog Control Register (WCR)
Watchdog Service Register (WSR)
MMC2114 • MMC2113 • MMC2112 — Rev. 1.0
14.6.2.2 Watchdog Modulus
14.6.2.3 Watchdog Count
14.6.2.4 Watchdog Service
Bits 7–0
Register.
MOTOROLA
Access
S/U
S/U
S
S
(1)