MM912H634CV1AE Freescale Semiconductor, MM912H634CV1AE Datasheet - Page 77

• Manufacturer Part Number: MM912H634CV1AE
• Description: 64KS12 LIN2xLS/HS Isense
• Manufacturer: Freescale Semiconductor
• Series: -r

Specifications of MM912H634CV1AE

• Applications: Automotive
• Core Processor: HCS12
• Program Memory Type: FLASH (64 kB)
• Controller Series: HCS12
• Ram Size: 6K x 8
• Interface: LIN
• Number Of I /o: -
• Voltage - Supply: 5.5 V ~ 27 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

4.10.1.2
Freescale Semiconductor
Note:
Offset
74.
Reset
7 - WDOFF
WDTO[2:0]
6 - WDWO
W
R
WDSR
Field
Field
(74)
Offset related to 0x0200 for blocking access and 0x300 for non blocking access within the global address space.
2-0
7-0
0x11
Watchdog Service Register (WDSR)
Watchdog Off - Indicating the Watchdog module is being disabled externally.
Watchdog Window Open - Indicating the Watchdog Window is currently open for counter reset.
Watchdog Timeout Configuration - configuring the Watchdog timeout duration t
7
0
Watchdog Service Register - Writing this register with the correct value (0xAA alternating 0x55) while the window is open
will reset the watchdog counter. Writing the register while the watchdog is disabled will have no effect.
000 - 10 ms
001 - 20 ms
010 - 40 ms
011 - 80 ms
100 - 160 ms
101 - 320 ms
110 - 640 ms
111 - 1280 ms
6
1
Table 103. WDSR - Register Field Descriptions
Table 102. Watchdog Service Register (WDSR)
Table 101. WDR - Register Field Descriptions
MM912_634 Advance Information, Rev. 4.0
5
0
4
1
WDSR
Description
Description
3
0
WDTO
2
1
.
1
0
Access: User read/write
Window Watchdog
0
1
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