> For the complete documentation index, see [llms.txt](https://inacks.gitbook.io/inacks-is3720-i2c-dmx+rdm-receiver-ic/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://inacks.gitbook.io/inacks-is3720-i2c-dmx+rdm-receiver-ic/datasheet/memory-map/chip_rev.md).

# CHIP\_REV

> This page is not the authoritative source for design information. The official [IS3720 datasheet](https://www.inacks.com/is3720) published on [www.inacks.com](http://www.inacks.com) is the authoritative reference: always consult it for the latest information.

The CHIP\_REV register indicates the chip revision.

This value is intended for production and product tracking. It is stored in ROM and may change throughout the product's life-cycle.

This register is read-only.

* **Name:** CHIP\_REV
* **Description:** Chip Revision Number
* **Address:** 514
* **Memory Type:** ROM
* **Value:** Depends on the revision
* **Accessible by:** I2C (Read Only)

| Bit 7 | Bit 6 | Bit 5 | Bit 4 | Bit 3 | Bit 2 | Bit 1 | Bit 0 |
| ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- |
| -     | -     | -     | -     | -     | -     | -     | -     |