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ULINK Debugger Comparison

Debugging Features
RAM Breakpoints Unlimited Unlimited Unlimited Unlimited
ROM Breakpoints (ARM7/9) 2 max 2 max 2 max 2 max
ROM Breakpoints (Cortex-M) 6 max 6 max 6 max 6 max
Execution Breakpoints
(Set While Executing)
Access Breakpoints (ARM7/9) 2 max
(R/W Only, With Value)
2 max
(R/W Only, With Value)
2 max
(R/W Only, With Value)
2 max
(R/W Only, With Value)
Access Breakpoints (Cortex-M) 4 max
(With value)
4 max
(With value)
4 max
(With value)
4 max
(With Value)
Debugging Support
Real-Time Agent (ARM7/9)
Serial Wire Debug (Cortex-M)
Data Trace (Cortex-M with SWO)
(Serial Wire Viewer)
Instruction Trace (Cortex-M with ETM)
(Embedded Trace Macrocell - ETM)
JTAG Clock <= 50MHz <= 50MHz <= 10MHz <= 10MHz
Memory R/W ≈ 1MB/s ≈ 1MB/s ≈ 28KB/s ≈ 28KB/s
Flash R/W 32KB/s 32KB/s ≈ 25KB/s ≈ 25KB/s
Trace Streaming 800Mb/s 100Mb/s 1Mb/s 1Mb/s
10-pin (0.05")
(Cortex Debug Connector)
20-pin (0.1")
(ARM Standard JTAG Connector)
20-pin (0.05")
(Cortex Debug+ETM Connector)
16-pin (0.1")
(Infineon OCDS Connector)
14-pin (0.1")
(ST µPSD Connector)
I/O Voltage Range 1.2V - 3.3V 1.2V - 3.3V 2.7V - 5.5V 3.0V - 3.6V
Supported Device Families
XC800 (8051)
µPSD (8051)
LPC950 (8051)

Note that hardware breakpoints are limited by the ARM Embedded ICE Hardware.
The original ULINK has been replaced by ULINK2.

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