MPC564EVB Freescale Semiconductor, MPC564EVB Datasheet - Page 1027
![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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24.10 Read/Write Access
The read/write access feature allows access to internal memory-mapped space via the auxiliary port.
Read/write mechanism supports single and block, reads and writes.
24.10.1 Functional Description
The READI module is capable of bus mastership on the L-bus and for setting up and reading data and
status.
All accesses are setup and initiated to the read/write access register (RWA) and upload/download
information register (UDI) via the four auxiliary access public messages: device ready for
upload/download, upload request (tool requests information), download request (tool provides
information), upload/download information (device/tool provides information).
Read/write access features are enabled by setting the appropriate fields in the RWA register. For details on
field configuration, refer to
The functional flow for read/write access to memory-mapped locations and MPC500 registers is depicted
in
Freescale Semiconductor
Figure
TCODE = 8
Error Code = 0b00111 (Program/Data/Ownership trace overrun)
MCKO
MSEO
MDO[7:0]
24-59.
Figure 24-54. Error Message (Program/Data/Ownership Trace Overrun)
TCODE (17)
[6 bits]
Section 24.6.1.7, “Read/Write Access Register
MPC561/MPC563 Reference Manual, Rev. 1.2
Figure 24-56. Read Register Message
Figure 24-55. Target Ready Message
Max Length = 14 bits
Min Length = 14 bits
Max Length = 6 bits
Min Length = 6 bits
TCODE (16)
11001000
[6 bits]
Opcode
[8 bits]
00000001
Don’t care data
(idle clock)
(RWA).”
00000000
READI Module
24-59
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