MPC8536E-ANDROID Freescale Semiconductor, MPC8536E-ANDROID Datasheet - Page 230
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MPC8536E-ANDROID
Manufacturer Part Number
MPC8536E-ANDROID
Description
HARDWARE/SOFTWARE ANDROID OS
Manufacturer
Freescale Semiconductor
Series
PowerQUICC ™r
Type
MPUr
Datasheets
1.MPC8536EBVTAVLA.pdf
(127 pages)
2.MPC8536EBVTAVLA.pdf
(2 pages)
3.MPC8536EBVTAVLA.pdf
(1706 pages)
Specifications of MPC8536E-ANDROID
Contents
Board
For Use With/related Products
MPC8536
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 230 of 1706
- Download datasheet (15Mb)
L2 Look-Aside Cache/SRAM
6.3.1
The following sections describe registers that control and configure the L2/SRAM array.
6.3.1.1
The L2 control register (L2CTL), shown in
L2/SRAM array. The sequence for modifying L2CTL is as follows:
Table 6-4
6-10
Offset 0x2_0000
Reset
Reset
Bits
2–3
0
1
1. mbar
2. isync
3. stw (WIMG = 01xx) CCSRBAR+0x2_0000
4. lwz (WIMG = 01xx) CCSRBAR+0x2_0000
5. mbar
W
W
R
R
L2E
16
0
0
describes L2CTL fields.
Name
L2SIZ
—
L2E
L2I
L2/SRAM Register Descriptions
L2I
17
0
1
L2 Control Register (L2CTL)
L2LO L2SLC
MPC8536E PowerQUICC III Integrated Processor Reference Manual, Rev. 1
18
2
1
L2 enable. Used to enable the L2 array (cache or memory-mapped SRAM).
0 The L2 SRAM (cache and memory-mapped SRAM) is disabled and is not accessed for reads,
1 The L2 SRAM (cache or memory-mapped SRAM) is enabled.
Note that L2I can be set regardless of the value of L2E.
L2 flash invalidate.
0 The L2 status and LRU bits are not being cleared.
1 Setting L2I invalidates the L2 cache globally by clearing the all the L2 status bits, as well as the LRU
Data to memory-mapped SRAM are unaffected by the flash invalidate. The hardware automatically
clears L2I when the invalidate is complete.
L2 SRAM size (read only). Indicates the total available size of on-chip memory array (to be configured
as cache or memory-mapped SRAM).
00 Reserved
01 Reserved
10 512 Kbyte
11 Reserved
L2SIZ
snoops, or writes. Setting the L2 flash invalidate bit (L2I) is allowed.
algorithm. Memory-mapped SRAM is unaffected.
19
0
3
—
20
4
0
Figure 6-7. L2 Control Register (L2CTL)
Table 6-4. L2CTL Field Descriptions
L2LFR L2LFRID
21
0
—
22
Figure
0
23
0
6-7, controls configuration and operation of the
All zeros
24
8
0
L2DO L2IO
Description
0
9
—
10
0
—
11
27
0
L2STASHDIS
L2INTDIS
12
28
0
Freescale Semiconductor
Access: Read/Write
—
13
29
0
L2SRAM
L2STASHCTL
30
0
15
31
0
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