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MS9122
Public Made by Adomby adom
Macrosilicon Video Interface ICs, QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMS9122
Macrosilicon · Video Interface ICs · QFN-48-EP(7x7)
MS9122 from Macrosilicon, in a QFN-48-EP(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | SPI_MOSI/I2C_SCL | bidirectional | SPI flash MOSI or EEPROM I2C SCL digital input/output |
| 2 | SPI_MISO | bidirectional | SPI flash MISO digital input/output |
| 3 | SPI_SCLK/I2C_SDA | bidirectional | SPI flash SCLK or EEPROM I2C SDA digital input/output |
| 4 | REV | unconnected | Reserved pin, no connection required |
| 5 | DVDD33 | power_in | Digital 3.3V power supply (3.15V to 3.55V nominal) |
| 6 | XTIN | output | 24MHz crystal oscillator output (capacitor-free) |
| 7 | XTOUT | input | 24MHz crystal oscillator input (capacitor-free) |
| 8 | AVDD12 | power_in | Analog 1.2V power supply (1.14V to 1.26V nominal) |
| 9 | REXT | output | External resistor connection pin, connect 4.7k resistor to ground for reference voltage |
| 10 | USBDP | bidirectional | USB differential D+ signal line |
| 11 | USBDM | bidirectional | USB differential D- signal line |
| 12 | AVDD33 | power_in | Analog 3.3V power supply (3.15V to 3.55V nominal) |
| 13 | AVSS | power_in | Analog ground |
| 14 | DVDD12 | power_in | Digital 1.2V power supply (1.14V to 1.26V nominal) |
| 15 | DVSS | power_in | Digital ground |
| 16 | DVSS | power_in | Digital ground |
| 17 | DVDD33 | power_in | Digital 3.3V power supply (3.15V to 3.55V nominal) |
| 18 | I2S_MCLK | output | I2S output master clock signal |
| 19 | I2S_SCLK | output | I2S output serial clock signal |
| 20 | DVSS | power_in | Digital ground |
| 21 | DVDD33 | power_in | Digital 3.3V power supply (3.15V to 3.55V nominal) |
| 22 | I2S_WS | output | I2S output word select signal |
| 23 | I2S_SD0 | output | I2S output serial data signal |
| 24 | AVDD33 | power_in | Analog 3.3V power supply (3.15V to 3.55V nominal) |
| 25 | HDTXCN | output | HD transmitter clock differential negative signal |
| 26 | HDTXCP | output | HD transmitter clock differential positive signal |
| 27 | AVDD12 | power_in | Analog 1.2V power supply (1.14V to 1.26V nominal) |
| 28 | HDTX0N | output | HD transmitter DATA0 differential negative signal |
| 29 | HDTX0P | output | HD transmitter DATA0 differential positive signal |
| 30 | HDTX1N | output | HD transmitter DATA1 differential negative signal |
| 31 | HDTX1P | output | HD transmitter DATA1 differential positive signal |
| 32 | AVDD12 | power_in | Analog 1.2V power supply (1.14V to 1.26V nominal) |
| 33 | HDTX2N | output | HD transmitter DATA2 differential negative signal |
| 34 | HDTX2P | output | HD transmitter DATA2 differential positive signal |
| 35 | AVSS | power_in | Analog ground |
| 36 | AVDD33 | power_in | Analog 3.3V power supply (3.15V to 3.55V nominal) |
| 37 | DVDD12 | power_in | Digital 1.2V power supply (1.14V to 1.26V nominal) |
| 38 | DVSS | power_in | Digital ground |
| 39 | DDCSCL | bidirectional | HD DDC (Display Data Channel) serial clock digital input/output |
| 40 | DDCSDA | bidirectional | HD DDC (Display Data Channel) serial data digital input/output |
| 41 | HPD | input | HD hot plug detect input signal |
| 42 | DVDD33 | power_in | Digital 3.3V power supply (3.15V to 3.55V nominal) |
| 43 | DVSS | power_in | Digital ground |
| 44 | DVDD33 | power_in | Digital 3.3V power supply (3.15V to 3.55V nominal) |
| 45 | DVSS | power_in | Digital ground |
| 46 | DVDD33 | power_in | Digital 3.3V power supply (3.15V to 3.55V nominal) |
| 47 | DVSS | power_in | Digital ground |
| 48 | GPIO2/SPI_CS | bidirectional | SPI flash chip select or GPIO2 multiplexed digital input/output |
| 49 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Macrosilicon |
| Package | QFN-48-EP(7x7) |
| Category | Interface |
| Pins | 49 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Digital 3.3V supply voltage | DVDD33 | 3.15 | 3.3 | 3.55 | V | 地 = 0V，温度 = +25°C 除非另有说明 | 8 |
| Analog 3.3V supply voltage | AVDD33 | 3.15 | 3.3 | 3.55 | V | 地 = 0V，温度 = +25°C 除非另有说明 | 8 |
| Digital 1.2V supply voltage | DVDD12 | 1.14 | 1.2 | 1.26 | V | 8 | |
| Analog 1.2V supply voltage | AVDD12 | 1.14 | 1.2 | 1.26 | V | 8 | |
| Limit operating voltage | VDD | 3.6 | V | 8 | |||
| Ambient operating temperature | TA | 0 | 70 | °C | 8 | ||
| Storage temperature | Tsto | -65 | 150 | °C | 8 | ||
| Maximum junction temperature | Tjmax | 125 | °C | 8 | |||
| Human body model ESD rating | VESD(HBM) | -2000 | 2000 | V | 8 | ||
| Machine model ESD rating | VESD(MM) | -200 | 200 | V | 8 | ||
| Charged device model ESD rating | VESD(CDM) | -2000 | 2000 | V | 8 |
CAD (KiCad official)
- Symbol:
MS9122 - Footprint:
Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm - 3D model: QFN-48-EP(7x7) (KiCad packages3D, STEP)
- 3D model files:
ms9122-etched.step/ms9122-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ms9122.step/ms9122.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Macrosilicon datasheet (18 pp, sha256
dd0e81d9071502be, retrieved 2026-10-27, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).