Circuit Board Reference Manual

MCF548x Reference Manual, Rev. 3
22-12 Freescale Semiconductor
Table 22-4 describes the EUACRH and EUACRL fields.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Field — RNG — —
Reset 1111 0000 1111 0000
R/W R R/W R R
1514131211109876543210
Field — MDEU — AFEU
Reset 1111 0000 1111 0000
R/W R R/W R R/W
Reg
Addr
MBAR + 0x21000
Figure 22-7. EU Assignment Control Register High (EUACRH)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Field — DEU — AESU
Reset 1111 0000 1111 0000
R/W R R/W R R/W
1514131211109876543210
Field — — —
Reset 1111 1111 0000
R/W R R R
Reg
Addr
MBAR + 0x21004
Figure 22-8. EU Assignment Control Register Low (EUACRL)
Table 22-4. EUACRH and EUACRL Field Descriptions
Bits Name Description
31–0 See
Figure 22-8
Static Channel Assignment. Each field corresponds to one of the SEC EUs. The field
indicates if the EU is currently assigned to one of the two channels as shown in Ta bl e 2 2- 5.
Writing any of the defined values shown in Table 22-5 to any of the fields in the EUACR
statically assigns the EU to that specific channel. To release, the host must write 0x0 to the
specified EU field of the EUACR.
Table 22-5. Channel Assignment Value
Value Channel
0x0 No channel assigned
0x1 Channel 0
0x2 Channel 1