nuvoton
Nuvoton Technology MPN encoding patterns, suffix decoding, and handler guidance. Use when working with Nuvoton MCUs, audio codecs, TPM chips, or NuvotonHandler.
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소스 지침 · 읽기 전용 미리보기- name
- nuvoton
- description
- Nuvoton Technology MPN encoding patterns, suffix decoding, and handler guidance. Use when working with Nuvoton MCUs, audio codecs, TPM chips, or NuvotonHandler.
# Nuvoton Technology Manufacturer Skill
## MPN Structure
Nuvoton has multiple product families with different MPN structures:
### ARM Cortex-M MCUs (NUC, M-series)
```
NUC[SERIES][LINE][PIN][FLASH][PKG][TEMP][VER]
│ │ │ │ │ │ │ │
│ │ │ │ │ │ │ └── Version (0, 1, etc.)
│ │ │ │ │ │ └── Temperature (N=normal, A=automotive)
│ │ │ │ │ └── Package type (A=QFN, etc.)
│ │ │ │ └── Flash size code
│ │ │ └── Pin code (LD=48, SD=64, VD=100, ZD=144)
│ │ └── Line number (23, 40, etc.)
│ └── Series (1=Cortex-M0, 2=Cortex-M0)
└── NuMicro prefix
M[LINE][PIN][FLASH][PKG]
│ │ │ │ │
│ │ │ │ └── Package code (AE=LQFP-48)
│ │ │ └── Flash size code
│ │ └── Pin code (LD=48, SD=64, LG=100, KI=128)
│ └── Line number (031=entry, 451=motor, 480=high-perf)
└── M-series prefix
```
### Example Decoding
```
NUC123LD4AN0
│ │ │ │││││
│ │ │ ││││└── Version 0
│ │ │ │││└── Temperature N (normal)
│ │ │ ││└── Package A (QFN)
│ │ │ │└── Flash 4 (64KB)
│ │ │ └── Pin LD (LQFP-48)
│ │ └── Line 23
│ └── Series 1 (Cortex-M0)
└── NUC prefix
M451LG6AE
│ │ │ ││
│ │ │ │└── Package E (LQFP variant)
│ │ │ └── Package A (LQFP)
│ │ └── Flash 6 (512KB)
│ └── Pin LG (LQFP-100)
└── M451 series (Cortex-M4 motor control)
```
---
## Package Codes
### NUC Series Pin Codes
| Code | Package | Pin Count |
|------|---------|-----------|
| LD | LQFP-48 | 48 |
| LE | LQFP-48 | 48 |
| SD | LQFP-64 | 64 |
| SE | LQFP-64 | 64 |
| VD | LQFP-100 | 100 |
| VE | LQFP-100 | 100 |
| ZD | LQFP-144 | 144 |
| AN | QFN-33 | 33 |
### M-Series Pin Codes
| Code | Package | Pin Count |
|------|---------|-----------|
| LD | LQFP-48 | 48 |
| LC | LQFP-48 | 48 |
| SD | LQFP-64 | 64 |
| SC | LQFP-64 | 64 |
| LG | LQFP-100 | 100 |
| VG | LQFP-100 | 100 |
| KI | LQFP-128 | 128 |
| ZG | LQFP-144 | 144 |
| ZI | LQFP-144 | 144 |
### 8051 MCU Package Codes
| Code | Package |
|------|---------|
| AT | TSSOP-20 |
| AS | SOP-20 |
| AQ | QFN-20 |
| FB | TSSOP-20 |
| DA | TSSOP-16 |
| BA | TSSOP-8 |
| AE | LQFP-48 |
### Audio Codec Package Codes
| Code | Package |
|------|---------|
| YG | QFN-32 |
| YGB | QFN-32 |
| LG | WLCSP |
| G | QFN-48 |
---
## Product Families
### ARM Cortex-M MCUs
| Series | Core | Features | Max Clock |
|--------|------|----------|-----------|
| NUC1xx | Cortex-M0 | General purpose | 50MHz |
| NUC2xx | Cortex-M0 | Enhanced peripherals | 72MHz |
| M031 | Cortex-M0 | Entry-level | 48MHz |
| M451 | Cortex-M4 | Motor control | 72MHz |
| M480 | Cortex-M4 | High performance | 192MHz |
### 8051-Based MCUs
| Series | Core | Features |
|--------|------|----------|
| N76E003 | 8051 | Low-cost, small footprint |
| MS51 | Enhanced 8051 | More peripherals |
### Audio Codecs
| Series | Type | Features |
|--------|------|----------|
| NAU8810 | Mono Codec | Single input/output |
| NAU8822 | Stereo Codec | Dual input/output |
| NAU88L25 | Low Power Codec | Battery applications |
### Security ICs
| Series | Type | Features |
|--------|------|----------|
| NPCT6xx | TPM 2.0 | Trusted Platform Module |
---
## Flash Size Encoding
### NUC Series
| Code | Flash Size |
|------|------------|
| 2 | 16KB |
| 3 | 32KB |
| 4 | 64KB |
| 5 | 128KB |
| 6 | 256KB |
### M-Series (Numeric)
| Code | Flash Size |
|------|------------|
| 2 | 32KB |
| 3 | 64KB |
| 4 | 128KB |
| 5 | 256KB |
| 6 | 512KB |
### M480 Series (Letter)
| Code | Flash Size |
|------|------------|
| A | 128KB |
| B | 256KB |
| C | 384KB |
| D | 512KB |
---
## Handler Implementation Notes
### Package Code Extraction
```java
// NUC series: Pin code is after line number
// NUC123LD4AN0 -> LD determines package
// M-series: Pin code is after series number
// M451LG6AE -> LG determines package
// N76E series: Package code is 2-letter prefix of pin count
// N76E003AT20 -> AT = TSSOP, 20 = pins
```
### Series Extraction
```java
// NUC1xx and NUC2xx return generic series
if (upperMpn.matches("^NUC1\\d{2}.*")) return "NUC1xx";
if (upperMpn.matches("^NUC2\\d{2}.*")) return "NUC2xx";
// M-series returns exact line number
if (upperMpn.startsWith("M031")) return "M031";
if (upperMpn.startsWith("M451")) return "M451";
if (upperMpn.startsWith("M480")) return "M480";
// NAU88L must be checked before NAU88
if (upperMpn.matches("^NAU88L\\d{2}.*")) return "NAU88L";
```
### Official Replacement Logic
```java
// MCUs: Same series AND same pin count are replacements
// Audio Codecs: Same series are replacements (package variants OK)
```
---
## Related Files
- Handler: `manufacturers/NuvotonHandler.java`
- Component types: `MICROCONTROLLER`, `IC`
---
## Learnings & Edge Cases
- **NUC vs M naming**: NUC series uses full format (NUC123LD4AN0), M-series is shorter (M451LG6AE)
- **N76E003 popularity**: Most popular Nuvoton 8051 MCU due to low cost and Arduino compatibility
- **NAU88L prefix**: NAU88L25 must match before generic NAU88xx pattern
- **M480 flash encoding**: Uses letters (A-D) instead of numbers for flash size
- **Pin code position varies**: NUC at position 6, M-series at position 4, N76E at end of MPN
- **TPM chips**: NPCT6xx series are security ICs, not MCUs
<!-- Add new learnings above this line -->
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