doc: updated readme
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README.md
12
README.md
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1. Support of 16 LCD 160X on one bus.
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1. Support of 16 LCD 160X on one bus.
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## Attention
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For correct operation, please enable the following settings in the menuconfig:
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```text
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CONFIG_FREERTOS_HZ=1000
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CONFIG_GPIO_CTRL_FUNC_IN_IRAM
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CONFIG_I2C_ISR_IRAM_SAFE
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CONFIG_I2C_MASTER_ISR_HANDLER_IN_IRAM
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CONFIG_I2C_ENABLE_SLAVE_DRIVER_VERSION_2
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```
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## Connection
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## Connection
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| 1602(4)A | PCF8574 |
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| 1602(4)A | PCF8574 |
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