MMC2107 Datasheet, PDF (563/618 Pages) –

Freescale Semiconductor, Inc.
JTAG Test Access Port and OnCE
Functional Description
Table 21-4. OnCE Register Addressing
RS4–RS0
Register Selected
00000
Reserved
00001
Reserved
00010
Reserved
00011
OTC — OnCE trace counter
00100
MBCA — memory breakpoint counter A
00101
MBCB — memory breakpoint counter B
00110
PC FIFO — program counter FIFO and increment counter
00111
BABA — breakpoint address base register A
01000
BABB — breakpoint address base register B
01001
BAMA — breakpoint address mask register A
01010
BAMB — breakpoint address mask register B
01011
CPUSCR — CPU scan chain register
01100
Bypass — no register selected
01101
OCR — OnCE control register
01110
OSR — OnCE status register
01111
Reserved (factory test control register — do not access)
10000
Reserved (MEM_BIST — do not access)
10001–10110 Reserved (bypass, do not access)
10111
Reserved (LSRL, do not access)
11000–11110 Reserved (bypass, do not access)
11111
Bypass
MMC2107 – Rev. 2.0
MOTOROLA
JTAG Test Access Port and OnCE
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Technical Data
563