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TM1622-LQFP64
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TM Shenzhen Titan Micro Elec LCD Drivers, LQFP-64(7x7). Datasheet-verified pinout, 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
markdownTM1622-LQFP64
TM Shenzhen Titan Micro Elec · LCD Drivers · LQFP-64(7x7)
TM1622-LQFP64 from TM Shenzhen Titan Micro Elec, in a LQFP-64(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | CS | input | Chip select signal. When CS is high, all read/write operations are invalid and the serial interface is reset; when low, normal read/write of data and commands is enabled. |
| 2 | NC | unconnected | No internal connection; pin is not used. |
| 3 | RD | input | Read mode clock input. At RD falling edge, display memory data is output to DATA line; data is latched at next RD rising edge. |
| 4 | WR | input | Write mode clock input. At WR rising edge, data on DATA line is written into display memory. |
| 5 | DATA | bidirectional | Serial data input/output pin for reading or writing display memory data and commands. |
| 6 | GND | power_in | Ground; system reference voltage (0 V). |
| 7 | OSCI | input | External 32 kHz frequency source input. Leave floating if internal RC oscillator is used. |
| 8 | VDD | power_in | Positive power supply input voltage (operating range 2.4 to 5.2 V). |
| 9 | VLCD | input | LCD bias voltage input for adjusting LCD operating voltage; must not exceed VDD. |
| 10 | IRQ | output | Time base or watchdog timer overflow flag output with NMOS open-drain topology; requires external 10 kΩ pull-up resistor. |
| 11 | BZ | output | Buzzer driver output (positive phase). Outputs 2 kHz or 4 kHz square wave signal for piezo buzzer drive. |
| 12 | NC | unconnected | No internal connection; pin is not used. |
| 13 | BZ̄ | output | Buzzer driver output (negative/inverse phase). Provides differential pair with pin 11 for piezo buzzer drive. |
| 14 | T1 | input | Auxiliary bias voltage input pin; not recommended for use in normal operation. |
| 15 | T2 | input | Auxiliary bias voltage input pin; not recommended for use in normal operation. |
| 16 | T3 | input | Auxiliary bias voltage input pin; not recommended for use in normal operation. |
| 17 | COM0 | output | LCD common (COM) terminal drive output for 1/4 duty cycle, 8-COM LCD display (COM0 line). |
| 18 | COM1 | output | LCD common (COM) terminal drive output for 1/4 duty cycle, 8-COM LCD display (COM1 line). |
| 19 | NC | unconnected | No internal connection; pin is not used. |
| 20 | COM2 | output | LCD common (COM) terminal drive output for 1/4 duty cycle, 8-COM LCD display (COM2 line). |
| 21 | COM3 | output | LCD common (COM) terminal drive output for 1/4 duty cycle, 8-COM LCD display (COM3 line). |
| 22 | COM4 | output | LCD common (COM) terminal drive output for 1/4 duty cycle, 8-COM LCD display (COM4 line). |
| 23 | COM5 | output | LCD common (COM) terminal drive output for 1/4 duty cycle, 8-COM LCD display (COM5 line). |
| 24 | COM6 | output | LCD common (COM) terminal drive output for 1/4 duty cycle, 8-COM LCD display (COM6 line). |
| 25 | COM7 | output | LCD common (COM) terminal drive output for 1/4 duty cycle, 8-COM LCD display (COM7 line). |
| 26 | SEG0 | output | LCD segment (SEG) terminal drive output (SEG0 line); 1/4 bias drive with 32 total segment outputs. |
| 27 | SEG1 | output | LCD segment (SEG) terminal drive output (SEG1 line); 1/4 bias drive with 32 total segment outputs. |
| 28 | SEG2 | output | LCD segment (SEG) terminal drive output (SEG2 line); 1/4 bias drive with 32 total segment outputs. |
| 29 | SEG3 | output | LCD segment (SEG) terminal drive output (SEG3 line); 1/4 bias drive with 32 total segment outputs. |
| 30 | SEG4 | output | LCD segment (SEG) terminal drive output (SEG4 line); 1/4 bias drive with 32 total segment outputs. |
| 31 | SEG5 | output | LCD segment (SEG) terminal drive output (SEG5 line); 1/4 bias drive with 32 total segment outputs. |
| 32 | SEG6 | output | LCD segment (SEG) terminal drive output (SEG6 line); 1/4 bias drive with 32 total segment outputs. |
| 33 | NC | unconnected | No internal connection; pin is not used. |
| 34 | NC | unconnected | No internal connection; pin is not used. |
| 35 | NC | unconnected | No internal connection; pin is not used. |
| 36 | SEG7 | output | LCD segment (SEG) terminal drive output (SEG7 line); 1/4 bias drive with 32 total segment outputs. |
| 37 | SEG8 | output | LCD segment (SEG) terminal drive output (SEG8 line); 1/4 bias drive with 32 total segment outputs. |
| 38 | SEG9 | output | LCD segment (SEG) terminal drive output (SEG9 line); 1/4 bias drive with 32 total segment outputs. |
| 39 | SEG10 | output | LCD segment (SEG) terminal drive output (SEG10 line); 1/4 bias drive with 32 total segment outputs. |
| 40 | SEG11 | output | LCD segment (SEG) terminal drive output (SEG11 line); 1/4 bias drive with 32 total segment outputs. |
| 41 | SEG12 | output | LCD segment (SEG) terminal drive output (SEG12 line); 1/4 bias drive with 32 total segment outputs. |
| 42 | SEG13 | output | LCD segment (SEG) terminal drive output (SEG13 line); 1/4 bias drive with 32 total segment outputs. |
| 43 | SEG14 | output | LCD segment (SEG) terminal drive output (SEG14 line); 1/4 bias drive with 32 total segment outputs. |
| 44 | SEG15 | output | LCD segment (SEG) terminal drive output (SEG15 line); 1/4 bias drive with 32 total segment outputs. |
| 45 | SEG16 | output | LCD segment (SEG) terminal drive output (SEG16 line); 1/4 bias drive with 32 total segment outputs. |
| 46 | SEG17 | output | LCD segment (SEG) terminal drive output (SEG17 line); 1/4 bias drive with 32 total segment outputs. |
| 47 | SEG18 | output | LCD segment (SEG) terminal drive output (SEG18 line); 1/4 bias drive with 32 total segment outputs. |
| 48 | SEG19 | output | LCD segment (SEG) terminal drive output (SEG19 line); 1/4 bias drive with 32 total segment outputs. |
| 49 | NC | unconnected | No internal connection; pin is not used. |
| 50 | NC | unconnected | No internal connection; pin is not used. |
| 51 | NC | unconnected | No internal connection; pin is not used. |
| 52 | NC | unconnected | No internal connection; pin is not used. |
| 53 | SEG20 | output | LCD segment (SEG) terminal drive output (SEG20 line); 1/4 bias drive with 32 total segment outputs. |
| 54 | SEG21 | output | LCD segment (SEG) terminal drive output (SEG21 line); 1/4 bias drive with 32 total segment outputs. |
| 55 | SEG22 | output | LCD segment (SEG) terminal drive output (SEG22 line); 1/4 bias drive with 32 total segment outputs. |
| 56 | SEG23 | output | LCD segment (SEG) terminal drive output (SEG23 line); 1/4 bias drive with 32 total segment outputs. |
| 57 | SEG24 | output | LCD segment (SEG) terminal drive output (SEG24 line); 1/4 bias drive with 32 total segment outputs. |
| 58 | SEG25 | output | LCD segment (SEG) terminal drive output (SEG25 line); 1/4 bias drive with 32 total segment outputs. |
| 59 | SEG26 | output | LCD segment (SEG) terminal drive output (SEG26 line); 1/4 bias drive with 32 total segment outputs. |
| 60 | SEG27 | output | LCD segment (SEG) terminal drive output (SEG27 line); 1/4 bias drive with 32 total segment outputs. |
| 61 | SEG28 | output | LCD segment (SEG) terminal drive output (SEG28 line); 1/4 bias drive with 32 total segment outputs. |
| 62 | SEG29 | output | LCD segment (SEG) terminal drive output (SEG29 line); 1/4 bias drive with 32 total segment outputs. |
| 63 | SEG30 | output | LCD segment (SEG) terminal drive output (SEG30 line); 1/4 bias drive with 32 total segment outputs. |
| 64 | SEG31 | output | LCD segment (SEG) terminal drive output (SEG31 line); 1/4 bias drive with 32 total segment outputs. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TM Shenzhen Titan Micro Elec |
| Package | LQFP-64(7x7) |
| Category | LED Drivers |
| Pins | 64 |
CAD (KiCad official)
- Symbol:
TM1622-LQFP64 - Footprint:
Package_QFP:LQFP-64_7x7mm_P0.4mm - 3D model: LQFP-64(7x7) (KiCad packages3D, STEP)
- 3D model files:
tm1622-lqfp64-etched.step/tm1622-lqfp64-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tm1622-lqfp64.step/tm1622-lqfp64.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TM Shenzhen Titan Micro Elec datasheet (16 pp, sha256
ca2886432e3881dd, retrieved 2026-09-17, 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).