Freescale Semiconductor MPC5553, Справочное руководство

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MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
Freescale Semiconductor 3-19
The MAS4 register is shown in Figure 3-11 .
MAS4 fields are defined in Table 3-7 .
The MAS6 register is shown in Figure 3-12 .
MAS6 fields are defined in Table 3-8 .
Default WIMGE values
0 1 2 3 4 13 14 15 16 19 20 23 24 26 27 28 29 30 31
Field — TLBSELD — TIDSELD — TSIZED — WD ID MD GD ED
Reset Undefined on Power Up

Unchanged on Reset
R/W R/W
SPR SPR 628
Figure 3-11. MMU Assist Register 4 (MAS4)
Table 3-7. MAS4—Hardware Replacement Assist Configuration Register
Bits Name Description
0–1 — Reserved, should be cleared.
2–3 TLBSELD Default TLB selected
01 TLB1 (ignored by the e200z6, should be written to 01 for future compatibility)
4–13 — Reserved, should be cleared.
14–15 TIDSELD Default PID# to load TID from
00 PID0
01 Reserved, do not use
10 Reserved, do not use
11 TIDZ (0x00)) (Use all zeros, the globally shared value)
16–19 — Reserved, should be cleared.
17–23 TSIZED Default TSIZE value
24–26 — Reserved, should be cleared.
27–31 DWIMGE Default WIMGE values
0 7 8 15 16 30 31
Field — SPID — SAS
Reset Undefined on Power Up

Unchanged on Reset
R/W R/W
SPR SPR 630
Figure 3-12. MMU Assist Register 6 (MAS6))