READI Module
MPC561/MPC563 Reference Manual, Rev. 1.2
Freescale Semiconductor
24-61
Figure 24-59. Read/Write Access Flow Diagram
24.10.2 Write Operation to Memory-Mapped Locations and SPR Registers
24.10.2.1 Single Write Operation
For a single write access to memory-mapped locations and SPR registers, the following sequence of
operations need to be performed via the auxiliary port:
1. The tool confirms that the device is ready before transmitting download request public message
(TCODE=18).
Download Request Public
CNT= 0
Decrement CNT
No
Read/Write
?
Message (TCODE 18)
Tool sends to Device
IDLE
Module Read/Write
Device Ready for Upload/
(TCODE 16)
Latch Data
Download Public Message
Device sends to Tool
Upload/Download
(TCODE 19)
Information Public Message
Tool sends to Device
Write
Read
?
Read/Write
?
Upload/Download
(TCODE 19)
Information Public Message
Device sends to Tool
Write
Read
SC = 0
Yes
Reset
Increment Address
Summary of Contents for MPC561
Page 84: ...MPC561 MPC563 Reference Manual Rev 1 2 lxxxiv Freescale Semiconductor...
Page 144: ...Signal Descriptions MPC561 MPC563 Reference Manual Rev 1 2 2 46 Freescale Semiconductor...
Page 206: ...Central Processing Unit MPC561 MPC563 Reference Manual Rev 1 2 3 62 Freescale Semiconductor...
Page 302: ...Reset MPC561 MPC563 Reference Manual Rev 1 2 7 14 Freescale Semiconductor...
Page 854: ...Time Processor Unit 3 MPC561 MPC563 Reference Manual Rev 1 2 19 24 Freescale Semiconductor...
Page 968: ...Development Support MPC561 MPC563 Reference Manual Rev 1 2 23 54 Freescale Semiconductor...
Page 1144: ...Internal Memory Map MPC561 MPC563 Reference Manual Rev 1 2 B 34 Freescale Semiconductor...
Page 1212: ...TPU3 ROM Functions MPC561 MPC563 Reference Manual Rev 1 2 D 60 Freescale Semiconductor...
Page 1216: ...Memory Access Timing MPC561 MPC563 Reference Manual Rev 1 2 E 4 Freescale Semiconductor...