diff --git a/content/hardware/02.hero/boards/uno-r4-wifi/datasheet/datasheet.md b/content/hardware/02.hero/boards/uno-r4-wifi/datasheet/datasheet.md index c4dea1cd95..3ab065cde9 100644 --- a/content/hardware/02.hero/boards/uno-r4-wifi/datasheet/datasheet.md +++ b/content/hardware/02.hero/boards/uno-r4-wifi/datasheet/datasheet.md @@ -43,7 +43,7 @@ The **R7FA4M1AB3CFM#AA0**, often referred to as RA4M1 in this datasheet, is the * **Communication** * 1x UART (pin D0, D1) * 1x SPI (pin D10-D13, ICSP header) - * 1x I2C (pin A4, A5, SDA, SCL) + * 2x I2C (pin A4, A5, SDA, SCL), (Qwiic connector) * 1x CAN (pin D4, D5, external transceiver is required) See the full datasheet for the R7FA4M1AB3CFM#AA0 in the link below: @@ -127,7 +127,7 @@ In addition, it features an ESP32-S3 module for Wi-Fi® & Bluetooth® connectivi | JDIGITAL | Digital input/output headers | | JOFF | OFF, VRTC header | | J1 | CX90B-16P USB-C® connector | -| J2 | SM04B-SRSS-TB(LF)(SN) I2C connector | +| J2 | Qwiic Connector for I2C communication protocol | | J3 | ICSP header (SPI) | | J5 | DC Jack | | J6 | ESP header | @@ -232,13 +232,13 @@ The UNO R4 WiFi has a DAC with up to 12-bit resolution attached to the A0 analog The DAC can be used for signal generation for e.g. audio applications, like generating and altering sawtooth waves. -## I2C Connector +## Qwiic I2C Connector -The I2C connector SM04B-SRSS-TB(LF)(SN) is connected to a secondary I2C bus on the board. Note that this connector is powered via 3.3 V. +The I2C Qwiic connector SM04B-SRSS-TB(LF)(SN) is connected to a secondary I2C bus on the board. Note that this connector is powered via 3.3 V. -![I2C connector.](assets/i2c-connector.png) +![I2C Qwiic connector.](assets/i2c-connector.png) -This connector also shares the following pin connections: +The standard I2C is accessible through the following pin connections: **JANALOG header** - A4 @@ -491,6 +491,7 @@ This equipment contains a radio transmitter module with model approval code: CMI | Date | **Revision** | **Changes** | | ---------- | ------------ | ------------------ | +| 09/04/2025 | 7 | Fixed I2C information | | 05/09/2024 | 6 | Cloud Editor updated from Web Editor | | 03/07/2024 | 5 | Update Assets | | 19/09/2023 | 4 | Update FCC section | @@ -538,7 +539,7 @@ RA4M1的工作电压固定为5V,而ESP32-S3模块为3.3V。这两个MCU之间 * **通信** * 1个UART(引脚D0、D1) * 1个SPI(引脚D10-D13,ICSP针座) - * 1个I2C(引脚A4、A5、SDA、SCL) + * 2个I2C(引脚A4、A5、SDA、SCL, (Qwiic connector) * 1个CAN(引脚D4、D5,需要外部收发器) 请通过以下链接查看 R7FA4M1AB3CFM#AA0 的完整数据表: