Texas Instruments CC2650DK 사용자 설명서
ICEPick™
5.3.2 ICEPick™ Registers
lists the control and status registers in ICEPick.
Table 5-6. Register Summary
Register
Abbreviation
Width
Number
Description
Data Shift Register
DSR
32
1
TAP Data Register
Instruction Register
IR
6
1
TAP Instruction Register
Bypass Register
Bypass
1
1
Used by the BYPASS instruction
Device Identification
TAPID
32
1
Device ID used with IDCODE
Register
User Code used with
User Code Register
UC
32
1
USERCODE
ICEPick Identification
IPID
32
1
Version of ICEPick
Connect
Connect
7
1
Connect code
One register exists for each
debug TAP instantiated. It is used
debug TAP instantiated. It is used
Secondary Debug TAP
SDTR
24
1
to control selection, power, reset,
Register (SDTR)
and the clock associated with
each TAP.
each TAP.
One register exists for each test
Secondary Test TAP
STTR
24
6
TAP instantiated. It is used to
Register (STTR)
control selection of each TAP.
Reserved
SUTR
24
1
Reserved
Specifies how ICEPick manages
Linking Mode
LMR
24
1
the TAP selection.
ICEPick Control
IPCR
24
1
General ICEPick control
5.3.2.1
IR Instructions
The ICEPick TAP supports the instructions listed in
. All unused TAP controller instructions
default to the bypass register. Several instructions are reserved for extensions to the ICEPick opcodes.
Refer to for device identification register descriptions.
Refer to for device identification register descriptions.
Table 5-7. Instruction Register Opcodes
IR
ICEPick Instruction
Access
000000, 111111
BYPASS
Always-open
10
ROUTER
Connected
100
IDCODE
Always-open
101
ICEPICKCODE
Always-open
111
CONNECT
Always-open
1000
USERCODE
Always-open
000001, 000011, 000110, 001001–111110 Reserved
Reserved
399
SWCU117A – February 2015 – Revised March 2015
JTAG Interface
Copyright © 2015, Texas Instruments Incorporated