From f6670083e6c4d355866293ffe547b5ce6ff0f8f9 Mon Sep 17 00:00:00 2001 From: luojunlin Date: Thu, 24 Sep 2026 17:42:39 +0800 Subject: [PATCH 1/2] fix: update dual-voltage GPIO max supply from 1.98/3.63 to 1.98/3.465 (en+zh k3_ds) --- en/key_stone/k3/k3_docs/k3_ds.md | 12 ++++++------ zh/key_stone/k3/k3_docs/k3_ds.md | 12 ++++++------ 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/en/key_stone/k3/k3_docs/k3_ds.md b/en/key_stone/k3/k3_docs/k3_ds.md index 933e1c9..a7173e4 100644 --- a/en/key_stone/k3/k3_docs/k3_ds.md +++ b/en/key_stone/k3/k3_docs/k3_ds.md @@ -2554,12 +2554,12 @@ The following table describes the recommended operating conditions. | | VCC18_GPIO4 | -0.3V | 1.98V | | | VCC18_GPIO5 | -0.3V | 1.98V | | | VCC18_PMIC | -0.3V | 1.98V | -| | VCC1833_GPIO1 | -0.3V | 1.98V/3.63V | -| | VCC1833_GPIO2 | -0.3V | 1.98V/3.63V | -| | VCC1833_GPIO4 | -0.3V | 1.98V/3.63V | -| | VCC1833_GPIO5 | -0.3V | 1.98V/3.63V | -| | VCC1833_QSPI | -0.3V | 1.98V/3.63V | -| | VCC1833_MMC1 | -0.3V | 1.98V/3.63V | +| | VCC1833_GPIO1 | -0.3V | 1.98V/3.465V | +| | VCC1833_GPIO2 | -0.3V | 1.98V/3.465V | +| | VCC1833_GPIO4 | -0.3V | 1.98V/3.465V | +| | VCC1833_GPIO5 | -0.3V | 1.98V/3.465V | +| | VCC1833_QSPI | -0.3V | 1.98V/3.465V | +| | VCC1833_MMC1 | -0.3V | 1.98V/3.465V | | **OSC** | AVDD08_OSC | -0.3V | 0.88V | | | AVDD18_OSC | -0.3V | 1.96V | | **PICE PHY0** | AVDD08_PCIeA | -0.3V | 0.88V | diff --git a/zh/key_stone/k3/k3_docs/k3_ds.md b/zh/key_stone/k3/k3_docs/k3_ds.md index 04b5d69..84c2aa9 100644 --- a/zh/key_stone/k3/k3_docs/k3_ds.md +++ b/zh/key_stone/k3/k3_docs/k3_ds.md @@ -2608,12 +2608,12 @@ K3 的 I/O 引脚支持 **功能 0 至 功能 7（Function 0–7）** 的信号 | | VCC18_GPIO4 | -0.3V | 1.98V | | | VCC18_GPIO5 | -0.3V | 1.98V | | | VCC18_PMIC | -0.3V | 1.98V | -| | VCC1833_GPIO1 | -0.3V | 1.98V/3.63V | -| | VCC1833_GPIO2 | -0.3V | 1.98V/3.63V | -| | VCC1833_GPIO4 | -0.3V | 1.98V/3.63V | -| | VCC1833_GPIO5 | -0.3V | 1.98V/3.63V | -| | VCC1833_QSPI | -0.3V | 1.98V/3.63V | -| | VCC1833_MMC1 | -0.3V | 1.98V/3.63V | +| | VCC1833_GPIO1 | -0.3V | 1.98V/3.465V | +| | VCC1833_GPIO2 | -0.3V | 1.98V/3.465V | +| | VCC1833_GPIO4 | -0.3V | 1.98V/3.465V | +| | VCC1833_GPIO5 | -0.3V | 1.98V/3.465V | +| | VCC1833_QSPI | -0.3V | 1.98V/3.465V | +| | VCC1833_MMC1 | -0.3V | 1.98V/3.465V | | **OSC** | AVDD08_OSC | -0.3V | 0.88V | | | AVDD18_OSC | -0.3V | 1.96V | | **PICE PHY0** | AVDD08_PCIeA | -0.3V | 0.88V | From a3dca7257ad70fd72d304c00881c86bf3da8fcbb Mon Sep 17 00:00:00 2001 From: luojunlin Date: Thu, 24 Sep 2026 17:59:36 +0800 Subject: [PATCH 2/2] fix: correct K3 VCC1833 GPIO absolute max voltage from 1.98/3.63V to 1.98/3.465V MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Update §5.2.1 (For Pins) in en+zh k3_ds.md and §4.2.1 in en k3_usermanual/04_electrical.md. Operating conditions (§5.1 / §4.1) are unchanged. Bump version to V1.9 in en+zh k3_ds.md and V1.13 in en k3_usermanual/00_preface.md. --- en/key_stone/k3/k3_docs/k3_ds.md | 1 + en/key_stone/k3/k3_docs/k3_usermanual/00_preface.md | 1 + .../k3/k3_docs/k3_usermanual/04_electrical.md | 12 ++++++------ zh/key_stone/k3/k3_docs/k3_ds.md | 1 + 4 files changed, 9 insertions(+), 6 deletions(-) diff --git a/en/key_stone/k3/k3_docs/k3_ds.md b/en/key_stone/k3/k3_docs/k3_ds.md index a7173e4..987c8b6 100644 --- a/en/key_stone/k3/k3_docs/k3_ds.md +++ b/en/key_stone/k3/k3_docs/k3_ds.md @@ -12,6 +12,7 @@ Click to download [K3 Datasheet (PDF)](https://cdn-resource.spacemit.com/file/ch | Version | Date | Notes | | --- | --- | --- | +| **V1.9** | 2026.09.24 | Updated Section 5.2.1 dual-voltage GPIO absolute maximum supply | | **V1.8** | 2026.08.25 | Added DPU0/DPU1 display interface support note in section 1.2 | | **V1.7** | 2026.08.19 | Added section 4.4 cross-references to pin assignment tables | | **V1.6** | 2026.07.15 | Updated video subsystem parameters | diff --git a/en/key_stone/k3/k3_docs/k3_usermanual/00_preface.md b/en/key_stone/k3/k3_docs/k3_usermanual/00_preface.md index 910e4a2..2be7080 100644 --- a/en/key_stone/k3/k3_docs/k3_usermanual/00_preface.md +++ b/en/key_stone/k3/k3_docs/k3_usermanual/00_preface.md @@ -8,6 +8,7 @@ sidebar_position: 1 | Version | Date | Notes | | --- | --- | --- | +| **V1.13** | 2026.09.24 | Updated Section 4.2.1 dual-voltage GPIO absolute maximum supply | | **V1.12** | 2026.09.08 | Updated the clock tree diagram in Chapter 17 | | **V1.11** | 2026.09.07 | Updated UART register base addresses in Section 14.6.4 | | **V1.10** | 2026.08.25 | Added DPU0/DPU1 display interface support note in Section 1.2 | diff --git a/en/key_stone/k3/k3_docs/k3_usermanual/04_electrical.md b/en/key_stone/k3/k3_docs/k3_usermanual/04_electrical.md index 2059d34..cfa5005 100644 --- a/en/key_stone/k3/k3_docs/k3_usermanual/04_electrical.md +++ b/en/key_stone/k3/k3_docs/k3_usermanual/04_electrical.md @@ -138,12 +138,12 @@ The following table describes the recommended operating conditions. | | VCC18_GPIO4 | -0.3V | 1.98V | | | VCC18_GPIO5 | -0.3V | 1.98V | | | VCC18_PMIC | -0.3V | 1.98V | -| | VCC1833_GPIO1 | -0.3V | 1.98V/3.63V | -| | VCC1833_GPIO2 | -0.3V | 1.98V/3.63V | -| | VCC1833_GPIO4 | -0.3V | 1.98V/3.63V | -| | VCC1833_GPIO5 | -0.3V | 1.98V/3.63V | -| | VCC1833_QSPI | -0.3V | 1.98V/3.63V | -| | VCC1833_MMC1 | -0.3V | 1.98V/3.63V | +| | VCC1833_GPIO1 | -0.3V | 1.98V/3.465V | +| | VCC1833_GPIO2 | -0.3V | 1.98V/3.465V | +| | VCC1833_GPIO4 | -0.3V | 1.98V/3.465V | +| | VCC1833_GPIO5 | -0.3V | 1.98V/3.465V | +| | VCC1833_QSPI | -0.3V | 1.98V/3.465V | +| | VCC1833_MMC1 | -0.3V | 1.98V/3.465V | | **OSC** | AVDD08_OSC | -0.3V | 0.88V | | | AVDD18_OSC | -0.3V | 1.96V | | **PICE PHY0** | AVDD08_PCIeA | -0.3V | 0.88V | diff --git a/zh/key_stone/k3/k3_docs/k3_ds.md b/zh/key_stone/k3/k3_docs/k3_ds.md index 84c2aa9..19f62ec 100644 --- a/zh/key_stone/k3/k3_docs/k3_ds.md +++ b/zh/key_stone/k3/k3_docs/k3_ds.md @@ -12,6 +12,7 @@ sidebar_position: 2 | 版本号 | 日期 | 修订说明 | | --- | --- | --- | +| **V1.9** | 2026.09.24 | 更新 5.2.1 节双电压 GPIO 绝对最大供电电压 | | **V1.8** | 2026.08.25 | 第 1.2 节补充 DPU0/DPU1 显示接口支持说明 | | **V1.7** | 2026.08.19 | 新增第 4.4 节引脚分配表交叉引用 | | **V1.6** | 2026.07.15 | 更新视频子系统参数 |