Cantara/asmedia
.claude/skills/manufacturers/asmedia/SKILL.md
ASMedia Technology MPN encoding patterns, series identification, and handler guidance. Use when working with USB/Storage controller ICs or ASMediaHandler.
$ install --global
skillsauthnpx skillsauth add Cantara/lib-electronic-components asmediaInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Last scanned: Apr 16, 2026, 6:03 PM9.9s1 file scanned
SKILL.md
- name:
- asmedia
- description:
- ASMedia Technology MPN encoding patterns, series identification, and handler guidance. Use when working with USB/Storage controller ICs or ASMediaHandler.
ASMedia Technology Manufacturer Skill
MPN Structure
ASMedia MPNs follow this general structure:
ASM[SERIES][VARIANT][PACKAGE][-REEL]
| | | | |
| | | | └── Optional: REEL, TRAY, TR for packaging
| | | └── Package code (QFN, BGA, LQFP, or single letter)
| | └── Revision letter (A, B, etc.)
| └── 4-digit series number (1xxx, 2xxx, 3xxx)
└── ASMedia prefix
Example Decoding
ASM1042A-QFN
│ │ │ │
│ │ │ └── QFN package
│ │ └── A revision
│ └── 1042 = PCIe to USB 3.0 host controller
└── ASM = ASMedia prefix
ASM2364-BGA
│ │ │
│ │ └── BGA package
│ └── 2364 = USB 3.2 Gen2x2 to NVMe bridge
└── ASM = ASMedia prefix
Product Series
ASM1xxx Series - USB 3.x Controllers
| Series | Type | Description | |--------|------|-------------| | ASM1042 | PCIe Host | USB 3.0 Host Controller | | ASM1074 | Hub | USB 3.0 Hub Controller | | ASM1142 | PCIe Host | USB 3.1 Gen2 Host Controller | | ASM1143 | PCIe Host | USB 3.1 Gen2 Host Controller (variant) | | ASM1153 | Bridge | USB 3.0 to SATA Bridge (single port) | | ASM1156 | Bridge | USB 3.0 to SATA Bridge |
ASM2xxx Series - Storage Controllers
| Series | Type | Description | |--------|------|-------------| | ASM2362 | Bridge | PCIe to NVMe/SATA Bridge | | ASM2364 | Bridge | USB 3.2 Gen2x2 to NVMe Bridge |
ASM3xxx Series - USB4/Thunderbolt
| Series | Type | Description | |--------|------|-------------| | ASM3242 | Controller | USB4 Controller |
Package Codes
| Code | Package | Notes | |------|---------|-------| | QFN | QFN | Quad Flat No-Lead | | Q | QFN | Short form | | BGA | BGA | Ball Grid Array | | B | BGA | Short form | | LQFP | LQFP | Low-profile Quad Flat Package | | L | LQFP | Short form |
USB Version by Series
| Series | USB Version | |--------|-------------| | ASM1042 | USB 3.0 | | ASM1074 | USB 3.0 | | ASM1153 | USB 3.0 | | ASM1156 | USB 3.0 | | ASM1142 | USB 3.1 Gen2 | | ASM1143 | USB 3.1 Gen2 | | ASM10xx | USB 3.0 (general) | | ASM11xx | USB 3.1 (general) | | ASM2362 | N/A (PCIe) | | ASM2364 | USB 3.2 Gen2x2 | | ASM3242 | USB4 |
Interface Types
| Series | Host Interface | Device Interface | |--------|----------------|------------------| | ASM1042 | PCIe | USB | | ASM1074 | USB | USB Hub | | ASM1142 | PCIe | USB | | ASM1153 | USB | SATA | | ASM1156 | USB | SATA | | ASM2362 | PCIe | NVMe/SATA | | ASM2364 | USB | NVMe | | ASM3242 | USB4 | Thunderbolt |
Handler Implementation Notes
Pattern Matching
// ASM1xxx series - USB 3.x controllers and bridges
"^ASM1[0-9]{3}[A-Z]*.*"
// ASM2xxx series - SATA controllers
"^ASM2[0-9]{3}[A-Z]*.*"
// ASM3xxx series - USB4/Thunderbolt controllers
"^ASM3[0-9]{3}[A-Z]*.*"
// Generic pattern for all ASM parts
"^ASM[0-9]{4}[A-Z]*.*"
Series Extraction
// Series is always "ASM" + 4 digits
// ASM1042A-QFN -> ASM1042
// ASM2364 -> ASM2364
if (mpn.length() >= 7) {
return mpn.substring(0, 7); // Returns "ASM1042"
}
Package Code Extraction
// Check for explicit package suffix after hyphen
// ASM1042-QFN -> QFN
int hyphen = cleanMpn.indexOf('-');
if (hyphen > 0) {
String suffix = cleanMpn.substring(hyphen + 1);
// Map to package name
}
// Or extract trailing letter after digits
// ASM1042Q -> QFN (Q maps to QFN)
Replacement Compatibility
USB Generation Upgrades
USB 3.1 Gen2 controllers can replace USB 3.0 (backward compatible):
- ASM1142 can replace ASM1042
Bridge Family Compatibility
Same-generation bridges are compatible:
- ASM1153 and ASM1156 are interchangeable (USB 3.0 to SATA family)
Related Files
- Handler:
manufacturers/ASMediaHandler.java - Component types:
ComponentType.IC
Learnings & Edge Cases
- All ASMedia parts use single IC type: Unlike other manufacturers, ASMedia only produces controller ICs, no discrete components
- Series numbering scheme: 1xxx = USB, 2xxx = Storage/NVMe, 3xxx = USB4/Thunderbolt
- USB generation embedded in series: ASM10xx = USB 3.0, ASM11xx = USB 3.1
- Package codes can appear after hyphen or as trailing letter: Both ASM1042-QFN and ASM1042Q are valid
- REEL/TRAY/TR suffixes: Indicate packaging type, should be stripped before package extraction
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