VisionCB-iMX93-STD Datasheet and Pinout - Revision history

Piotrzbysinski: /* User Interface (switches) */

2025-01-18T22:05:27Z

User Interface (switches)

← Older revision		Revision as of 22:05, 18 January 2025
Line 1,025:		Line 1,025:
	<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.		<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.
	<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).		<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).
			<br>5. The GPIO expander interrupt output is connected to GPIO2_IO27 GPIO of MPU.

	== User Interface (LEDs) ==		== User Interface (LEDs) ==

2025-01-18T22:05:12Z

User Interface (LEDs)

← Older revision		Revision as of 22:05, 18 January 2025
Line 1,051:		Line 1,051:
	\| -		\| -
	\|-		\|-
	\| -/~~GPIO2-IO27~~		\| -/GPIO2_IO27
	\| nINT		\| nINT
	\| GPIO expander interrupt line		\| GPIO expander interrupt line
Line 1,061:		Line 1,061:
	<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.		<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.
	<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).		<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).
			<br>5. The GPIO expander interrupt output is connected to GPIO2_IO27 GPIO of MPU.
	<br>		<br>
	<br>		<br>

2025-01-18T22:03:34Z

User Interface (LEDs)

← Older revision		Revision as of 22:03, 18 January 2025
Line 1,061:		Line 1,061:
	<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.		<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.
	<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).		<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).
	</br>		<br>
			<br>
	<center>		<center>
	{\| class="wikitable" style="vertical-align:bottom;"		{\| class="wikitable" style="vertical-align:bottom;"

2025-01-18T22:03:17Z

User Interface (LEDs)

← Older revision		Revision as of 22:03, 18 January 2025
Line 1,061:		Line 1,061:
	<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.		<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.
	<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).		<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).
	<br>		</br>
	<center>		<center>
	{\| class="wikitable" style="vertical-align:bottom;"		{\| class="wikitable" style="vertical-align:bottom;"

2025-01-18T22:02:58Z

User Interface (LEDs)

← Older revision		Revision as of 22:02, 18 January 2025
Line 1,061:		Line 1,061:
	<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.		<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.
	<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).		<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).
			<br>
	<center>		<center>
	{\| class="wikitable" style="vertical-align:bottom;"		{\| class="wikitable" style="vertical-align:bottom;"

2025-01-18T22:02:36Z

User Interface (LEDs)

← Older revision		Revision as of 22:02, 18 January 2025
Line 1,070:		Line 1,070:
	\| SYS-LED		\| SYS-LED
	\| PDM_BIT_STREAM1		\| PDM_BIT_STREAM1
	\| System heart-beat		\| System heart-beat<br>Logic levels from MPU are inverted by LED driver
	\|}		\|}
	</center>		</center>

2025-01-18T22:01:25Z

User Interface (LEDs)

← Older revision		Revision as of 22:01, 18 January 2025
Line 1,061:		Line 1,061:
	<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.		<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.
	<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).		<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).
			<center>
	{\| class="wikitable" style="vertical-align:bottom;"		{\| class="wikitable" style="vertical-align:bottom;"
	\|- style="font-weight:bold; text-align:center;"		\|- style="font-weight:bold; text-align:center;"

2025-01-18T22:01:02Z

User Interface (LEDs)

← Older revision		Revision as of 22:01, 18 January 2025
Line 1,057:		Line 1,057:
	</center>		</center>
	Note:		Note:
	<br>1. ~~Switches~~ are connected to MPU via PCF8574<b>A</b> GPIO expander.		<br>1. LEDs are connected to MPU via PCF8574<b>A</b> GPIO expander.
	<br>2. The base I2C address of PCF8574<b>A</b> GPIO expander is 38h.		<br>2. The base I2C address of PCF8574<b>A</b> GPIO expander is 38h.
	<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.		<br>3. Optionally as GPIO expander can be used PCF8574 with base I2C address 20h.
	<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).		<br>4. GPIO expander is connected to MPU via I2C8 interface (the same like in audio codec, interface lines are pulled-up with 4.7 kOhm).
			{\| class="wikitable" style="vertical-align:bottom;"
			\|- style="font-weight:bold; text-align:center;"
			! Function
			! MPU pin name
			! Description
			\|-
			\| SYS-LED
			\| PDM_BIT_STREAM1
			\| System heart-beat
			\|}
			</center>

	== RECOVERY jumper ==		== RECOVERY jumper ==

2025-01-18T21:58:23Z

User Interface (switches)

← Older revision		Revision as of 21:58, 18 January 2025
Line 995:		Line 995:
	{\| class="wikitable" style="vertical-align:bottom;"		{\| class="wikitable" style="vertical-align:bottom;"
	\|- style="font-weight:bold; text-align:center;"		\|- style="font-weight:bold; text-align:center;"
	! Switch		! Switch/Function
	! GPIO expander pin name		! GPIO expander pin name
	! Description		! Description
	\|-		\|-
	\| 2		\| 2/-
	\| GPIO2		\| GPIO2
	\| Pulled-up with 47kOhm		\| Pulled-up with 47kOhm
	\|-		\|-
	\| 3		\| 3/-
	\| GPIO3		\| GPIO3
	\| Pulled-up with 47kOhm		\| Pulled-up with 47kOhm
	\|-		\|-
	\| 4		\| 4/-
	\| GPIO4		\| GPIO4
	\| Pulled-up with 47kOhm		\| Pulled-up with 47kOhm
	\|-		\|-
	\| 5		\| 5/-
	\| GPIO5		\| GPIO5
	\| Pulled-up with 47kOhm		\| Pulled-up with 47kOhm
	\|-		\|-
	\| GPIO2-IO27		\| -/GPIO2-IO27
	\| nINT		\| nINT
	\| GPIO expander interrupt line		\| GPIO expander interrupt line

2025-01-18T21:57:48Z

User Interface (LEDs)

← Older revision		Revision as of 21:57, 18 January 2025
Line 1,031:		Line 1,031:
	{\| class="wikitable" style="vertical-align:bottom;"		{\| class="wikitable" style="vertical-align:bottom;"
	\|- style="font-weight:bold; text-align:center;"		\|- style="font-weight:bold; text-align:center;"
	! Switch		! Switch/Function
	! GPIO expander pin name		! GPIO expander pin name
	! Description		! Description
	\|-		\|-
	\| 7		\| 7/-
	\| GPIO7		\| GPIO7
	\| -		\| -
	\|-		\|-
	\| 6		\| 6/-
	\| GPIO6		\| GPIO6
	\| -		\| -
	\|-		\|-
	\| 1		\| 1/-
	\| GPIO1		\| GPIO1
	\| -		\| -
	\|-		\|-
	\| 0		\| 0/-
	\| GPIO0		\| GPIO0
	\| -		\| -
	\|-		\|-
	\| GPIO2-IO27		\| -/GPIO2-IO27
	\| nINT		\| nINT
	\| GPIO expander interrupt line		\| GPIO expander interrupt line