Epson ARM.POWERED ARM720T - Manual (Page 194)

11: Test Support
11-10 EPSON ARM720T CORE CPU MANUAL
Figure 11-12 shows the format of Rd for CAM writes and data for CAM reads.
Figure 11-12 Rd format, CAM write and data format, CAM read
In Figure 11-12 on page 11-10, V is the Valid bit, P is the Preserve bit, and SIZE_C sets the
memory region size. The allowed values of SIZE_C are shown in Table 11-7.
Figure 11-13 shows the format of Rd for RAM1 writes.
Figure 11-13 Rd format, RAM1 write
RAM1 write Protection MCR p15, 4, , c15, c11, 0
RAM2 read to C15.M SBZ MCR p15, 4, , c15, c3, 5
RAM2 write PA Tag, Size MCR p15, 4, , c15, c3, 1
CAM match, RAM1 read to C15.M MVA MCR p15, 4, , c15, c13, 4
Read C15.M Data MRC p15, 4, , c15, c3, 0
Table 11-7 CAM memory region size
SIZE_C[3:0] Memory region size
b1111 1MB
b0111 64KB
b0011 16KB
b0001 4KB
b0000 1KB
Table 11-6 Register c2, c3, c5, c6, c8, c10, and c15 operations (continued)
Function Rd Instruction(s)
31 6 5 4 0
MVA TAG V P
1 2 3 10 9
SBZ SIZE_C
31 6 5 4 0
SBZ
3
AP DOMAIN (one hot encoding)
D15
22 21
D0
nC
nB