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MS9122

Public Made by Adom

by adom

Macrosilicon Video Interface ICs, QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MS9122

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ms9122.step / ms9122.glb are 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, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF