MMC2114 MOTOROLA [Motorola, Inc], MMC2114 Datasheet - Page 560
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MMC2114
Manufacturer Part Number
MMC2114
Description
M CORE Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MMC2114.pdf
(654 pages)
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JTAG Test Access Port and OnCE
Advance Information
560
22.13.4 Debug Mode Select (TMS). . . . . . . . . . . . . . . . . . . . . . . . . 582
22.13.5 Test Reset (TRST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 582
22.13.6 Debug Event (DE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 582
22.14 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 582
22.14.1 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583
22.14.2 OnCE Controller and Serial Interface. . . . . . . . . . . . . . . . . 584
22.14.3 OnCE Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . 585
22.14.3.1
22.14.3.2
22.14.3.3
22.14.3.4
22.14.3.5
22.14.3.6
22.14.3.7
22.14.4 OnCE Controller Registers . . . . . . . . . . . . . . . . . . . . . . . . . 587
22.14.4.1
22.14.4.2
22.14.4.3
22.14.5 OnCE Decoder (ODEC) . . . . . . . . . . . . . . . . . . . . . . . . . . . 596
22.14.6 Memory Breakpoint Logic. . . . . . . . . . . . . . . . . . . . . . . . . . 596
22.14.6.1
22.14.6.2
22.14.7 Breakpoint Address Mask Registers . . . . . . . . . . . . . . . . . 597
22.14.7.1
22.14.7.2
22.14.8 OnCE Trace Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 598
22.14.8.1
22.14.8.2
22.14.9 Methods of Entering Debug Mode . . . . . . . . . . . . . . . . . . . 600
22.14.9.1
22.14.9.2
22.14.9.3
22.14.9.4
22.14.10 Enabling OnCE Trace Mode . . . . . . . . . . . . . . . . . . . . . . .601
22.14.11 Enabling OnCE Memory Breakpoints. . . . . . . . . . . . . . . . . 602
22.14.12 Pipeline Information and Write-Back Bus Register . . . . . . 602
22.14.12.1 Program Counter Register . . . . . . . . . . . . . . . . . . . . . . .603
22.14.12.2 Instruction Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603
Freescale Semiconductor, Inc.
For More Information On This Product,
JTAG Test Access Port and OnCE
Internal Debug Request Input (IDR) . . . . . . . . . . . . . . . 585
CPU Debug Acknowledge (DBGACK) . . . . . . . . . . . . . .586
CPU Breakpoint Request (BRKRQ). . . . . . . . . . . . . . . . 586
CPU Address, Attributes (ADDR, ATTR) . . . . . . . . . . . . 587
CPU Status (PSTAT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 587
OnCE Command Register . . . . . . . . . . . . . . . . . . . . . . .588
OnCE Control Register . . . . . . . . . . . . . . . . . . . . . . . . . 590
OnCE Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . 594
Memory Address Latch (MAL) . . . . . . . . . . . . . . . . . . . . 597
Breakpoint Address Base Registers . . . . . . . . . . . . . . . 597
Breakpoint Address Comparators . . . . . . . . . . . . . . . . . 598
Memory Breakpoint Counters . . . . . . . . . . . . . . . . . . . . 598
OnCE Trace Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . 599
Trace Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600
Debug Request During RESET . . . . . . . . . . . . . . . . . . .600
Debug Request During Normal Activity . . . . . . . . . . . . . 601
Debug Request During Stop, Doze, or Wait Mode . . . .601
Software Request During Normal Activity . . . . . . . . . . . 601
CPU Debug Request (DBGRQ) . . . . . . . . . . . . . . . . . . .586
OnCE Debug Output (DEBUG) . . . . . . . . . . . . . . . . . . . 587
Go to: www.freescale.com
MMC2114 • MMC2113 • MMC2112 — Rev. 1.0
MOTOROLA
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