Board Users Guide

Real-Time Clock
MPC5200B Users Guide, Rev. 1
Freescale Semiconductor 7-71
7.6.3.6 RTC Current Date Register—MBAR + 0x0814
This is a read-only register.
7.6.3.7 RTC Alarm and Stopwatch Interrupt Register—MBAR + 0x0818
This is a read-only register.
24:25 — Reserved
26:31 Second Shows seconds in current time.
Table 7-61. RTC Current Date Register
msb 012345678 9 101112131415
R
Reserved Month Weekday Day
W
RESET:0 00000000 0 0 0 00 0 0
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 lsb
R
Reserved Year
W
RESET:0 00000000 0 0 0 00 0 0
Bits Name Description
0:3 — Reserved
4:7 Month Shows current month. 1 = January; 12 = December
8:10 Weekday Indicates day of week. (Monday = 1, Sunday = 7)
11:15 Date Shows current date. Calendar feature is implemented, therefore, day rollover at the end of
month including February (and Leap Years) is automatic.
16:19 — Reserved
20:31 Year Shows current year. Max is 4052.
Table 7-62. RTC Alarm and Stopwatch Interrupt Register
msb 012345678 9 101112131415
R
Reserved
Int_alm
Reserved
Int_SW
W
RESET:0 00000000 0 0 0 00 0 0
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 lsb
R
Reserved
Alm_status
SW_min
W
RESET:0 00000000 0 0 0 00 0 0
Bits Name Description