Pinout Specification for MIPI20T-HS Whisker


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Pinout
Target Connector Types
Interface Standards
Converter



 

Pinout


MIPI20T Connector for Debug and Trace

Signal

Pin

 Pin

Signal

    
VREF-DEBUG12TMS|TMSC|SWDIO
GND34TCK|TCKC|SWCLK
GND56TDO|-|SWO
GND (KEY)78TDI
GND910RESET-
GND1112TRACECLK
GND1314TRACEDATA[0]
GND1516TRACEDATA[1]
GND1718TRACEDATA[2]
GND1920TRACEDATA[3]
    

MIPI10 Connector for Debug Only (with optional Serial Wire Output)

Signal

Pin

 Pin

Signal

    
VREF-DEBUG12TMS|TMSC|SWDIO
GND34TCK|TCKC|SWCLK
GND56TDO|-|SWO
GND (KEY)78TDI
GND910RESET-
    

IDC20A Connector for Debug Only (with opt. Serial Wire Output) via Included Converter LA-2730

Signal

Pin

 Pin

Signal

    
VREF-DEBUG12VSUPPLY (not used)
TRST-34GND
TDI56GND
TMS|TMSC|SWDIO78GND
TCK|TCKC|SWCLK910GND
N/C1112GND
TDO1314GND
RESET-1516GND
N/C1718GND
N/C1920GND
    
Pin Direction Description
TCK|TCKC|SWCLK to CPU JTAG Clock. It is recommended to put a pull-down to GND on this signal.
TMS to CPU Standard JTAG TMS: It is recommended to put a pull-up to VTREF on this signal for standard 4-pin JTAG.
TMSC to/from CPU Compact JTAG TMSC: Your chip should have a bus-hold on this line for compact JTAG.
SWDIO to/from CPU Serial Wire Debug In/Out
TDI to CPU JTAG TDI. It is recommended to put a pull-up to VTREF on this signal.
Only required for standard 4-pin JTAG / Optional signal for compact JTAG.
TDO from CPU JTAG TDO. (No pull-up or pull-down is required.)
Only required for standard 4-pin JTAG / Optional signal for compact JTAG.
VREF-DEBUG from CPU Reference voltage. This voltage should indicate the nominal HIGH level for the debug and trace pins. So for example, if your signals have a voltage swing from 0 V ... 3.3 V, the VTREF pin should be connected to 3.3 V.
RESET- to/from CPU System Reset Signal. (Optional)
If your target board has a low active CPU reset signal, you can connect this low active reset signal to this pin. This enables the debugger to detect a CPU reset. Furthermore the debugger can drive this pin to GND to hold the CPU in the reset state. The debugger drives this pin as open-drain, so a pull-up is mandatory.
TRC CLK
from CPU
Trace clock (used with off-chip trace)
TRC DATA[3..0]
from CPU
Trace data (used with off-chip trace)
 

Target Connector Types


The MIPI20T-HS Whisker can be used directly with two different connectors (MIPI10, MIPI20T).
Via the includes converter LA-2730, the MIPI20T-HS Whisker can be connected to a classic IDC20A debug connector, too.

ConnectorPinsPitchSamtec Order No Description Dimensions (Samtec)
MIPI20T 20 0.05"FTSH-110-01-L-DV-KMicro header with keying shroud FTSH Surface Mount Micro Header
MIPI10 10 0.05"FTSH-105-01-L-DV-KMicro header with keying shroud FTSH Surface Mount Micro Header
IDC20A 20 0.10"HTST-110-01-L-DV Classic header with keying shroudShrouded .025" Sq Post IDC Headers

 

Interface Standards


The MIPI20T-HS Whisker supports various interface standards:

JTAGIEEE 1149.1alternate pin function: TMS, TCK, TDO
Compact JTAGIEEE 1149.7alternate pin function: TMSC, TCKC, -
Serial Wire DebugCoreSight ARMalternate pin function: SWDIO, SWCLK, SWO

Interface type and corresponding pin function can be selected in the debugger GUI.

 

Converter


To connect to a target with a different connector, the following converters can be used.
The converter LA-2730 to connect to a classic IDC20A debug connector, is already included with your MIPI20T-HS Whisker.

Picture
Order No.
Probe
Converter MIPI-20T to IDC20A
Converter IDC20A/MIPI-20 to 10-pin ECU14
Converter MIPI-20T to MIPI-34
Converter MIPI-20T to MIPI-60
Converter MIPI-20T to MICTOR-38
Converter MIPI-20T to TI-14
Converter MIPI10 to USB-C (DAM, D1)




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Last generated/modified: 06-Mar-2024