commit 4d53d77a9c2d3810ccad913df44e6dbfd9032b3a
Author: hangpersonal <hangcui1201@gmail.com>
Date:   Sun Aug 30 20:58:19 2026 -0700

    first commit

diff --git a/.gitignore b/.gitignore
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+/workspace/
+
diff --git a/LICENSE b/LICENSE
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+MIT License
+
+Copyright (c) 2025 hangpersonal
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and 
+associated documentation files (the "Software"), to deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
+copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the 
+following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial 
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO 
+EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
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+### TI C2000 TMS320F28377S Coreboard V1.3
+
+TMS320F28377S (LQFP100)
+- Dimension: 55 mm x 55 mm
+- CPUs: C28x (200 MHz)
+- CLAs: Control Law Accelerator (200 MHz)
+- Flash: 1023 KB
+- RAM: 164 KB
+
+On-Board Hardware Features
+- External EEPROM AT24CM02: 1x (I2C-A SDA: GPIO91, I2C-A SCL: GPIO92)
+- USB-to-UART: 1x (SCI-A TXD: GPIO84, SCI-A RXD: GPIO85)
+- User LEDs: 2x (Red: GPIO41, Blue: GPIO58)
+- GPIO Pins: 42x in total
+- Analog Pins: 14x in total
+
+GPIO and Peripheral Muxing
+- SCI/UART: Up to 3x (SCI-A, SCI-B, SCI-C)
+- I2C: Up to 2x (I2C-A, I2C-B)
+- CAN: Up to 2x (CAN-A, CAN-B)
+- SPI: Up to 3x (SPI-A, SPI-B, SPI-C)
+- McBSP: Up to 1x (McBSP-B)
+- EQEP: Up to 2x (EQEP1, EQEQ3)
+- EPWM: Up to 15x
+
+<a href="url"><img src="./images/f28377s_coreboard.png" width="600"></a>  
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