---
page_id: wsd-are-digital-i-aaf4ad0a
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title: "Thread: Are Digital I-O cells simultaneous INOUT capable?"
slug: wsd-are-digital-i-aaf4ad0a
route: /evidence/i-information/questions/threads/are-digital-i
section: reference
access: public
summary: 4 Discord messages from ℹ️ - Information/⁉️-questions/threads/are-digital-i.md.
status: published
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tags: [discord, wafer-space, archive]
last_updated: 2026-08-19
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talk_route: /evidence/i-information/questions/threads/are-digital-i/talk
---
# Thread: Are Digital I-O cells simultaneous INOUT capable?
Category: **ℹ️ - Information**
Parent channel: **#⁉️-questions**
Thread ID: `1513365279831494787`
Messages: **4**
## message-1513365279831494787
**2026-06-08T02:13:19.679+00:00 — EmbeddedKen (@embeddedken)**
- Message ID: `1513365279831494787`
- Author ID: `190171097910607873`
- Nickname: EmbeddedKen
- User name: embeddedken
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1513365279831494787/1513365279831494787
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/are-digital-i/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/are-digital-i/2026-06/2026-06.json
**Content**
```text
Any idea why is IE=1 and OE=1 marked as "disallowed"?
```
**Attachments**
- Resolved media URL: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/are-digital-i/2026-06/2026-06_media/ie_oe-06030.png
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---
## message-1513430165630488596
**2026-06-08T06:31:09.659+00:00 — tnt (@246tnt)**
- Message ID: `1513430165630488596`
- Author ID: `596068704471482370`
- Nickname: tnt
- User name: 246tnt
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1513365279831494787/1513430165630488596
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/are-digital-i/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/are-digital-i/2026-06/2026-06.json
**Content**
```text
Yeah, that was a bit of a mystery but after reverse engineering the IO there is no reason that you can't have IE and OE at the same time.
```
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---
## message-1513430335235424266
**2026-06-08T06:31:50.096+00:00 — tnt (@246tnt)**
- Message ID: `1513430335235424266`
- Author ID: `596068704471482370`
- Nickname: tnt
- User name: 246tnt
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1513365279831494787/1513430335235424266
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/are-digital-i/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/are-digital-i/2026-06/2026-06.json
**Content**
```text
And we used them that way in TinyTapeout ( IE is always `1` and then we toggle `OE` as needed ) and they worked fine AFAICT.
```
**Reactions**
- Resolved media URL: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/are-digital-i/2026-06/2026-06_media/1f44d-27259.svg
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## message-1513588277079314494
**2026-06-08T16:59:26.366+00:00 — EmbeddedKen (@embeddedken)**
- Message ID: `1513588277079314494`
- Author ID: `190171097910607873`
- Nickname: EmbeddedKen
- User name: embeddedken
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1513365279831494787/1513588277079314494
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/are-digital-i/2026-06/2026-06.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/are-digital-i/2026-06/2026-06.json
**Content**
```text
Thanks! @tnt
```
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