MPC564EVB Freescale Semiconductor, MPC564EVB Datasheet - Page 450
![KIT EVAL FOR MPC561/562/563/564](/photos/39/39/393946/mpc564evbimage_sml.jpg)
MPC564EVB
Manufacturer Part Number
MPC564EVB
Description
KIT EVAL FOR MPC561/562/563/564
Manufacturer
Freescale Semiconductor
Type
Microcontrollerr
Specifications of MPC564EVB
Contents
Module Board, Installation Guide, Power Supply, Cable, Software and more
Processor To Be Evaluated
MPC56x
Data Bus Width
32 bit
Interface Type
RS-232, Ethernet
For Use With/related Products
MPC561, 562, 563, 564
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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L-Bus to U-Bus Interface (L2U)
11.8.4
The L2U region base address register (L2U_RBAx) defines the base address of a specific region protected
by the data memory protection unit. There are four registers (x = 0...3), one for each supported region.
11-14
Bits
3:31
1:2
Reset
Reset
Reset
Reset
0
Field
Field
Addr
Field
Field
Addr
Region Base Address Registers (L2U_RBAx)
MSB
SP
MSB
LSHOW
16
0
16
Name
0
SP
—
Undefined
17
LSHOW
1
17
1
RBA
Figure 11-5. L2U Region x Base Address Register (L2U_RBAx)
CALRAM Protection (SP) bit is used to protect the CALRAM on the L-bus from U-bus accesses.
Any attempt to set or clear the SP bit from the U-bus side has no affect.
Once this bit is set, the L2U blocks all CALRAM accesses initiated by the U-bus masters and the
access is terminated with a data error on the U-bus.
If L-bus show cycles are enabled, setting this bit will disable L-bus CALRAM show cycles.
LSHOW bits are used to configure the show cycle mode for cycles accessing the L-bus slave e.g.
CALRAM
00 Disable show cycles
01 Show address and data of all L-bus space write cycles
10 Reserved
11 Show address and data of all L-bus space read and write cycles
Reserved
Figure 11-4. L2U Module Configuration Register (L2U_MCR)
18
2
18
2
19
3
19
3
MPC561/MPC563 Reference Manual, Rev. 1.2
Table 11-7. L2U_MCR Bit Descriptions
20
20
4
4
21
21
5
5
0000_0000_0000_0000
0000_0000_0000_0000
22
22
6
6
SPR 792–795
Undefined
23
SPR 568
23
7
7
RBA
—
Description
24
24
8
8
0000_0000_0000
—
25
25
9
9
—
10
26
10
26
11
27
11
27
12
28
12
28
Freescale Semiconductor
13
29
13
29
14
30
14
30
LSB
LSB
15
31
15
31
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