Rock3/hardware/3a - Revision history

Hipboi at 00:28, 18 June 2022

2022-06-18T00:28:13Z

Hipboi at 12:30, 15 February 2022

2022-02-15T12:30:00Z

Stephen: /* 2.3-pin Recovery Header */

2022-02-10T01:42:25Z

‎2.3-pin Recovery Header

Stephen: /* 2.3-pin Recovery Header */

2022-02-10T01:41:46Z

‎2.3-pin Recovery Header

Stephen: /* About Recovery pin */

2022-02-10T01:39:07Z

‎About Recovery pin

Stephen: /* About Recovery pin */

2022-02-09T14:21:11Z

‎About Recovery pin

Stephen: /* 2.3-pin Recovery Header */

2022-02-09T14:20:33Z

‎2.3-pin Recovery Header

Stephen: /* About Recovery pin */

2022-02-09T14:11:11Z

‎About Recovery pin

Stephen at 14:16, 6 February 2022

2022-02-06T14:16:32Z

Stephen at 14:14, 6 February 2022

2022-02-06T14:14:00Z

@@ Line 1: / Line 1: @@
 {{rock3_header}}
 {{Languages|rock3/hardware/3a}}
      [[rock3 | ROCK 3]] > [[rock3/hardware | Hardware]] > [[rock3/hardware/3a | ROCK 3 Model A Main Board]]
@@ Line 9: / Line 7: @@
 This hardware user manual provides information about the features and signals available on ROCK 3A board.
 ==== 1.Power Button ====
@@ Line 60: / Line 56: @@
      For Windows PC: Open RKDevTool and you would see "Found One LOADER Device".
 * Remove wire between pin#2 and pin#3 before flashing images to boot device.
 ==== 3.MIPI Display Interface ====

@@ Line 1: / Line 1: @@
 {{rock3_header}}
-{{Languages|rock3/hardware/rock3}}
+{{Languages|rock3/hardware/3a}}
 __NOTOC__

@@ Line 57: / Line 57: @@
 * Confirm ROCK 3A is in loader mode
      For Linux PC: lsusb shows: Bus 001 Device 049: ID 2207:350a Fuzhou Rockchip Electronics Company
-     For macOS PC: lsusb shows: Bus 000 Device 003: ID 0403:6001 Future Technology Devices International Limited USB <-> Serial
+     For macOS PC: lsusb shows: Bus 000 Device 004: ID 2207:350a Fuzhou Rockchip Electronics Co., Ltd. USB download gadget
      For Windows PC: Open RKDevTool and you would see "Found One LOADER Device".
 * Remove wire between pin#2 and pin#3 before flashing images to boot device.

@@ Line 56: / Line 56: @@
 * Wait for about 5 seconds
 * Confirm ROCK 3A is in loader mode
-     For Windows host: Open RKDevTool and you would see "Found One LOADER Device".
+    For Linux PC: lsusb shows: Bus 001 Device 049: ID 2207:350a Fuzhou Rockchip Electronics Company
 * Remove wire between pin#2 and pin#3 before flashing images to boot device.

@@ Line 57: / Line 57: @@
 * Confirm ROCK 3A is in loader mode
      For Windows host: Open RKDevTool and you would see "Found One LOADER Device".
-* Remove wire between pin#2 and pin#3
+* Remove wire between pin#2 and pin#3 before flashing images to boot device.
 ==== 3.MIPI Display Interface ====

@@ Line 54: / Line 54: @@
 * Plug the USB Male A to Male A cable to ROCK 3A OTG port(the upper USB3.0 port), the other side to PC
 * Plug in the Type-C adapter
-* Wait for about 3 seconds
+* Wait for about 5 seconds
 * Remove wire between pin#2 and pin#3

@@ Line 52: / Line 52: @@
 * Install Linux/Android image(or at least u-boot images included) to SPI Nor flash or eMMC on board
 * Short-circuit pin#2 and pin#3
 * Plug in the Type-C adapter
 * Wait for about 3 seconds

@@ Line 392: / Line 392: @@
 Besides, the Pi supports QC 3.0/2.0 with 9V/2A and 12V/1.5A.
 The Type-C cable you using needs to support data communication. We call it USB Type-C charging data cable.
 ==== 9.HDMI ====

@@ Line 8: / Line 8: @@
 === ROCK 3 Model A Main Board ===
-This hardware user manual provides information about the features and signals available on ROCK 3 A board.
+This hardware user manual provides information about the features and signals available on ROCK 3A board.
 [[File:rock-3-a-with-label.jpg | 500px | right]]
@@ Line 14: / Line 14: @@
 ==== 1.Power Button ====
-The power button is used to turn the device on and off.
+The power button is used to turn the device on or off.
-Short pressing power button would power on/off the device. This is what we called power on/off via software.
+Short-pressing power button would power on/off the device. This is what we called power on/off via software.
 Power button also provides function of hardware power on/off the device.
@@ Line 47: / Line 47: @@
 ===== About Recovery pin =====
-Shor-circuit Recovery pin and GND pin to boot device into loader mode.
+Short-circuit Recovery pin and GND pin to boot device into loader mode.
 Below is the steps of booting device into loader mode.
-* Install system image (Linux/Android) to eMMC or SD on board
+* Install Linux/Android image(or at least u-boot images included) to SPI Nor flash or eMMC on board
 * Short-circuit pin#2 and pin#3
 * Plug in the Type-C adapter
@@ Line 58: / Line 58: @@
 ==== 3.MIPI Display Interface ====
-The ROCK Pi 4 Model A and B are equipped with one HDMI connector and one MIPI DSI. As for HDMI, the maximum resolution is 4k@60Hz. Any HDMI monitor should work as a display for the Pi 4. As for MIPI DSI, it is designed for raw LCD pannel. HDMI and MIPI DSI can work at the same time.
+The ROCK 3A is equipped with one HDMI connector and one MIPI DSI. As for HDMI, the maximum resolution is 4k@60Hz. Any HDMI monitor should work as a display for ROCK 3A. As for MIPI DSI, it is designed for raw LCD pannel. HDMI and MIPI DSI can work at the same time.
 The MIPI DSI interface pin specification shows below.
@@ Line 317: / Line 317: @@
 | 79
 | NC
 |}
 ==== 5.Power LED ====
 ==== 6.User LED ====
 ==== 7.Power Supply ====
@@ Line 332: / Line 395: @@
 ==== 9.HDMI ====
-The ROCK 3A is equipped with one HDMI connector and one MIPI DSI. As for HDMI, the maximum resolution is 4k@60Hz. Any HDMI monitor should work as a display for the ROCK 3A. As for MIPI DSI, it is designed for raw LCD pannel. HDMI and MIPI DSI can work at the same time.
+The ROCK 3A is equipped with one HDMI connector and one MIPI DSI. HDMI and MIPI can work at the same time.
-HDMI port supports Consumer Electronics Control (CEC) function. Using ROCK 3A connected to a TV that supports CEC, you can use the command line cec-client application to control the inputs and the TV itself.
+HDMI port supports Consumer Electronics Control (CEC) function.
 The HDMI interface pin specification shows below.
@@ Line 467: / Line 532: @@
 |}
-==== 13.1000M Ethernent ====
+==== 13.1000M Ethernet ====
 ==== 14/15/21.USB ====
@@ Line 498: / Line 575: @@
 ==== 16.PoE ====
 ==== 17.SoC ====
 SoC is RK3568.
 ==== <span id="gpio">20.General purpose input-output (GPIO) connector</span> ====
@@ Line 645: / Line 746: @@
 | 13 || GND
 |}
 ==== 26. eMMC ====