MPC8536-RDK Freescale Semiconductor, MPC8536-RDK Datasheet - Page 226

• Manufacturer Part Number: MPC8536-RDK
• Description: BOARD REF COMEXPRESS MPC8536
• Manufacturer: Freescale Semiconductor
• Series: PowerQUICC ™r
• Type: MPUr

Specifications of MPC8536-RDK

• Contents: CSB1880, CSB1801, Cables, Documentation, Enclosure, Power Supply with cord
• For Use With/related Products: MPC8536
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L2 Look-Aside Cache/SRAM
The mapping of address bits and SRAM mode to a way select is shown below in
reflected in L2CTL[L2SIZ].
6-6
(single 512-KB SRAM if L2SIZ=512 KB)
L2CTL Register
L2SRBAR Registers
Physical Address Bits
Entire Array is SRAM
Description
0
No SRAM
MPC8536E PowerQUICC III Integrated Processor Reference Manual, Rev. 1
ADDR
Figure 6-4. Physical Address Usage for SRAM Accesses
Table 6-2. Way Selection for SRAM Accesses
17
ADDR
Bank select
Base Addr
20
19
19
L2SRAM
000
001
22
23
0
ADDR
Set index
(8 bits)
BAR 0 Hit
BAR hit compare
—
1
30
13
L2SRAM
Way Select
BAR 1 Hit
(3 bits)
Way
15
—
0
Addr[17–19]
31
Table
Byte select
(5 bits)
ADDR
000
001
010
011
100
101
110
111
Freescale Semiconductor
—
6-2. SRAM size is
35
31
Way Select
—
0
1
2
3
4
5
6
7