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2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
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STD I2C LCD&keyboard interface
I2C LCD&keyboard interface
License
Public Domain
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Update time：
2021-12-12 07:38:12
Creation time：
2018-03-12 07:57:26
Description
Description
Simple i2c-interface module for 44780 based LCD-display and to 6x4 matrix keyboard with interrupt.
i2c clock frequency to 400kHz.
i2c address can be changed from 40h/41h(write/read) to 4Eh/4Fh (from 0x20 to 0x27 in C-based notation).
Design Drawing
Design Drawing
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| ID | Designator | Footprint | Quantity |
|---|---|---|---|
| 1 | U1 | SSOP-24 | 1 |
| 2 | P1,P2 | HDR-6X1/2.54 | 2 |
| 3 | P3 | HDR-10X1/2.54 | 1 |
| 4 | P4 | HDR-5X1/2.54 | 1 |
| 5 | R1 | 3296P | 1 |
| 6 | R2 | 1206 | 1 |
| 7 | C1 | 0805 | 1 |
| 8 | C2 | 0805 | 1 |
| 9 | C3 | 0805 | 1 |
| 10 | R3,R4,R5,R6,R8,R10,R12,R13,R14,R15,R16,R17,R18,R19,R20,R21 | 0805 | 16 |
| 11 | R7,R9,R11 | 0805 | 3 |
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