| Feature | ULINKpro | ULINK2 | ULINK-ME | ULINK |
|---|---|---|---|---|
| Debugging Features | ||||
| RAM Breakpoints | Unlimited | Unlimited | Unlimited | Unlimited |
| ROM Breakpoints (ARM7/9) | 2 max | 2 max | 2 max | 2 max |
| ROM Breakpoints (Cortex-M3) | 8 max | 8 max | 8 max | 8 max |
| ROM Breakpoints (µPSD) (Cannot Set While Executing) | n/a | 5 max | n/a | 5 max |
| ROM Breakpoints (XC800) (Cannot Set While Executing) | n/a | 4 max | n/a | 4 max |
| ROM Breakpoints (XC166) | n/a | 4 max | n/a | 4 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-M3) | 4 max (With value) | 4 max (With value) | 4 max (With Value) |  |
| Access Breakpoints (µPSD) | n/a | 3 max | n/a | 3 max |
| Access Breakpoints (XC800) | n/a | 1 in IDATA max | n/a | 1 in IDATA max |
| Access Breakpoints (XC166) | n/a | 1 max | n/a | 1 max |
| Debugging Support | ||||
| Real-Time Agent (ARM7/9) | | | | |
| Serial Wire Debug (Cortex-M) | | | | |
| Data Trace (Cortex-M3) (Serial Wire Viewer) | | | | |
| Instruction Trace (Cortex-M3) (Embedded Trace Macrocell - ETM) | | | | |
| Performance | ||||
| JTAG Clock | ≤ 50MHz | ≤ 10MHz | ≤ 10MHz | ≤ 1MHz |
| Memory R/W | ≈ 1MB/s | ≈ 28KB/s | ≈ 28KB/s | ≈ 28KB/s |
| Flash R/W | 32KB/s | ≈ 25KB/s | ≈ 25KB/s | ≈ 15KB/s |
| Data Trace Streaming | 800Mb/s | 1Mb/s | 1Mb/s | |
| Connectors | ||||
| 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 | 2.7V - 5.5V | 3.0V - 3.6V | 3.0V - 5.5V |
| Supported Device Families | ||||
| XC800 (8051) | | | | |
| µPSD (8051) | | | | |
| XC166/XE166/XC2000 | | | | |
| LPC950 (8051) | | | | |
| ARM7 | | | | |
| ARM9 | | | | |
| Cortex-M0 | | | | |
| Cortex-M1 | | | | |
| Cortex-M3 | | | | |
| Cortex-M4 | | | | |
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