Circuit Board Reference Manual

Controller
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor 22-17
22.6.4.7 SEC Master Control Register (SMCR)
The SEC master control register (SMCR), shown in Figure 22-14, controls certain functions in the
controller and provides a means for software to reset the SEC.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RVersion
W
Reset0000100100000000
1514131211109876543210
RVersion
W
Reset0000000000000000
Reg
Addr
MBAR + 0x 21020
Figure 22-13. ID Register (SIDR)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R0000000SWR00000000
W
Reset0000000000000000
1514131211109876543210
R00000000 CURR_CHAN 0000
W
Reset0000000000000000
Reg
Addr
MBAR + 0x 21030
Figure 22-14. SEC Master Control Register (SMCR)
Table 22-9. SMCR Field Descriptions
Bits Name Description
31–25 — Reserved
24 SWR Software Reset. Writing 1 to this bit will cause a global software reset. Upon
completion of the reset, this bit will be automatically cleared.
0 Don’t reset
1 Global Reset
23–8 — Reserved