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MSC8113 Reference Manual, Rev. 0
18-8
Freescale Semiconductor
Debugging
18.4 Multi-Core JTAG and EOnCE Module Concept
The MSC8113 uses JTAG TAP for standard defined testing compatibilities and for multi-core
EOnCE module control and EOnCE module interconnection control. The MSC8113 has three
internal EOnCE modules, one module per SC140 core. The EOnCE modules interconnect in a
chain and are configured and directed by the JTAG TAP controller. Figure 18-4 shows the
chained connection.
Each of the three MSC8113 EOnCE modules has an interface to a JTAG port. The interface is
active even when a reset signal to the SC140 core is asserted. However, system reset must be
deasserted to allow a proper interface with the cores. This interface is synchronized with the
...
...
Reserved
11100
---
Reserved
11101
READ_PIREG
Not included in the IEEE Std. 1149.1: read Parallel Input Register (PIREG).
Note:
Use only the bits specified in Table 18-7. Other bits should be disregarded.
11110
PRIVATE
Manufacturer’s private instruction.
Note:
Selecting this instruction many cause unpredictable operation of the device.
11111
BYPASS
Selects the single-bit Bypass Register. This creates a shift-register path from TDI to the
Bypass Register and, finally, to TDO, circumventing the 573-bit BSR register. This instruction
enhances test efficiency when a component other than the MSC8113-based device is the
device under test. When the current instruction selects the Bypass Register, the shift-register
stage is set to a logic zero on the rising edge of TCK in the
CAPTURE
-
DR
controller state.
Therefore, the first bit to be shifted out after the Bypass Register is selected is always a logic
zero.
Figure 18-4. JTAG TAP Controller and EOnCE Module Multi-Core Interconnection
Table 18-3. Instruction Decoding (Continued)
Bits 4-0
Instruction
Description
choose_tdi
TDI
TDO
TCK
once_reset
choose_clock_dr
TDI
JTAG TAP Controller
EOnCE
Command
EOnCE
Command
EOnCE
Command
Register
Register
Register
Summary of Contents for MSC8113
Page 1: ...MSC8113 Reference Manual Tri Core 16 Bit Digital Signal Processor MSC8113RM Rev 0 May 2008 ...
Page 20: ...MSC8113 Reference Manual Rev 0 xx Freescale Semiconductor Contents ...
Page 28: ...MSC8113 Reference Manual Rev 0 xxviii Freescale Semiconductor ...
Page 56: ...MSC8113 Reference Manual Rev 0 1 28 Freescale Semiconductor MSC8113 Overview ...
Page 76: ...MSC8113 Reference Manual Rev 0 2 20 Freescale Semiconductor SC140 Core Overview ...
Page 134: ...MSC8113 Reference Manual Rev 0 4 30 Freescale Semiconductor System Interface Unit SIU ...
Page 168: ...MSC8113 Reference Manual Rev 0 6 18 Freescale Semiconductor Boot Program ...
Page 180: ...MSC8113 Reference Manual Rev 0 7 12 Freescale Semiconductor Clocks ...
Page 260: ...MSC8113 Reference Manual Rev 0 8 80 Freescale Semiconductor Memory Map ...
Page 300: ...MSC8113 Reference Manual Rev 0 9 40 Freescale Semiconductor Extended Core ...
Page 304: ...MSC8113 Reference Manual Rev 0 10 4 Freescale Semiconductor MQBus and M2 Memory ...
Page 308: ...MSC8113 Reference Manual Rev 0 11 4 Freescale Semiconductor SQBus ...
Page 590: ...MSC8113 Reference Manual Rev 0 17 46 Freescale Semiconductor Interrupt Processing ...
Page 614: ...MSC8113 Reference Manual Rev 0 18 24 Freescale Semiconductor Debugging ...
Page 622: ...MSC8113 Reference Manual Rev 0 19 8 Freescale Semiconductor Internal Peripheral Bus IPBus ...
Page 724: ...MSC8113 Reference Manual Rev 0 21 32 Freescale Semiconductor UART ...
Page 920: ...MSC8113 Reference Manual Rev 0 25 150 Freescale Semiconductor Ethernet Controller ...
Page 1171: ...MSC8113 Reference Manual Rev 0 Freescale Semiconductor C 61 EF wait_rts P 01077FFC 9F rts 71 ...
Page 1172: ...MSC8113 Reference Manual Rev 0 C 62 Freescale Semiconductor MSC8113 Boot Code ...
Page 1202: ...MSC8113 Reference Manual Rev 0 Index 30 Freescale Semiconductor Index ...