Jtag Interface; Tap Instruction Table; Table 9. Tap Instructions - Intel Quark SoC X1000 User Manual

4

JTAG Interface

4.1

TAP Instruction Table

The Intel
table describes all IR opcode encodings.
Table 9. TAP Instructions
IR Opcode
0x02
0x03
0x04
0x06
0x08
0x0B
0xFF
All other values
14
®
Quark SoC X1000 Core TAP uses an 8-bit instruction register. The following
TAP
Command
The IEEE 1149 compliant
IDCODE
IDCODE
Submit the contents of the
SUBMITPIR
PIR to the core
Enter and Exit Probe Mode
PROBEMODE
(Details in
Write instruction opcodes to
WRITEPIR
the PIR
Select the PDR chain for read
RWPDR
or write
TAPSTATUS TAP Status register
BYPASS IEEE 1149 BYPASS instruction
BYPASS IEEE 1149 BYPASS instruction
Description DR Size
(Bits)
Section 5.1)
Order Number: 329866-002US
JTAG Interface
Values
32
0
1: Enter Probe Mode
1
0: Exit Probe Mode
64
32
32 See Table 10.
1
1