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fix: correct K3 VCC1833 GPIO absolute maximum supply to 1.98V/3.465V #224

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junlin-luo-spacemit merged 2 commits into from
Sep 24, 2026
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fix: correct K3 VCC1833 GPIO absolute maximum supply to 1.98V/3.465V #224

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f667008
fix: update dual-voltage GPIO max supply from 1.98/3.63 to 1.98/3.465…
junlin-luo-spacemit Sep 24, 2026
a3dca72
fix: correct K3 VCC1833 GPIO absolute max voltage from 1.98/3.63V to …
junlin-luo-spacemit Sep 24, 2026
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13 changes: 7 additions & 6 deletions en/key_stone/k3/k3_docs/k3_ds.md
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Expand Up @@ -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 |
Expand Down Expand Up @@ -2554,12 +2555,12 @@ 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 |
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1 change: 1 addition & 0 deletions en/key_stone/k3/k3_docs/k3_usermanual/00_preface.md
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Expand Up @@ -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 |
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12 changes: 6 additions & 6 deletions en/key_stone/k3/k3_docs/k3_usermanual/04_electrical.md
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Expand Up @@ -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 |
Expand Down
13 changes: 7 additions & 6 deletions zh/key_stone/k3/k3_docs/k3_ds.md
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Expand Up @@ -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 |
Expand Down Expand Up @@ -2608,12 +2609,12 @@ 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 |
Expand Down
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