VMU serial communication - Revision history

Unknown user at 08:35, 25 March 2023

2023-03-25T08:35:10Z

← Older revision		Revision as of 08:35, 25 March 2023
Line 1:		Line 1:
	The VMU incorporates a 2-channel synchronous serial interface with data word length of 8-bits. When plugged into the controller, this peripheral is responsible for driving the [[VMU_peripheral\|Maple Communication]], enabling the VMU to act as a slave device to the Dreamcast. When plugged into each other, these peripherals allow two standalone VMUs to communicate with one-another. The 2 channels of the peripheral are referred to as SIO0 and SIO1 in the [[File:VMU.pdf\|Official Documentation]].		The VMU incorporates a 2-channel synchronous serial interface with data word length of 8-bits. When plugged into the controller, this peripheral is responsible for driving the [[VMU_peripheral\|Maple Communication]], enabling the VMU to act as a slave device to the Dreamcast. When plugged into each other, these peripherals allow two standalone VMUs to communicate with one-another. The 2 channels of the peripheral are referred to as SIO0 and SIO1 in the official documentation: [[File:VMU.pdf\|Official Documentation]].

	Features:		Features:

Unknown user at 08:33, 25 March 2023

2023-03-25T08:33:58Z

← Older revision		Revision as of 08:33, 25 March 2023
Line 1:		Line 1:
	The VMU incorporates a 2-channel synchronous serial interface with data word length of 8-bits. When plugged into the controller, this peripheral is responsible for driving the Maple Communication, enabling the VMU to act as a slave device to the Dreamcast. When plugged into each other, these peripherals allow two standalone VMUs to communicate with one-another. The 2 channels of the peripheral are referred to as SIO0 and SIO1 in the Official Documentation.		The VMU incorporates a 2-channel synchronous serial interface with data word length of 8-bits. When plugged into the controller, this peripheral is responsible for driving the [[VMU_peripheral\|Maple Communication]], enabling the VMU to act as a slave device to the Dreamcast. When plugged into each other, these peripherals allow two standalone VMUs to communicate with one-another. The 2 channels of the peripheral are referred to as SIO0 and SIO1 in the [[File:VMU.pdf\|Official Documentation]].

	Features:		Features:

Unknown user at 08:28, 25 March 2023

2023-03-25T08:28:25Z

← Older revision		Revision as of 08:28, 25 March 2023
Line 1:		Line 1:
			The VMU incorporates a 2-channel synchronous serial interface with data word length of 8-bits. When plugged into the controller, this peripheral is responsible for driving the Maple Communication, enabling the VMU to act as a slave device to the Dreamcast. When plugged into each other, these peripherals allow two standalone VMUs to communicate with one-another. The 2 channels of the peripheral are referred to as SIO0 and SIO1 in the Official Documentation.

	[[File:VMU Connector Pin-Out.jpg\|600x600px~~\|left~~\|VMU Connector Pin-Out]]		Features:
			* 2-channel synchronous serial interface
			* selectible transfer clock
			* SIO0 hasa transfer clock with switchable polarity
			* LSB/MSB switchable start sequence
			* switchable operation modes
			* overrun detection
			* transfer bit length control

			== VMU-to-Dreamcast Communications ==
			Coming Soon...

			== VMU-to-VMU Communications ==
			[[File:Dreamcast-VMUs-Hooked.jpg\|thumb\|VMU-to-VMU Connectivity]]
			The VMU also supports connecting to other VMU devices. This allows the the user to transfer files within the file manager of the system BIOS and exchange data within certain VMU games such as Chao Adventure.

			[[File:VMU-to-VMU Serial.png\|thumb\|VMU-to-VMU Serial Configuration]]

			[[File:VMU Connector Pin-Out.jpg\|600x600px\|VMU Connector Pin-Out]]

	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
	! Pin !! Function		! Pin !! Function !! Name
	\|-		\|-
	\| 2 \|\| CLKi		\| 2 \|\| CLKi \|\| SCK1
	\|-		\|-
	\| 3 \|\| RX		\| 3 \|\| RX \|\| SI1
	\|-		\|-
	\| 4 \|\| TX		\| 4 \|\| TX \|\| SO1
	\|-		\|-
	\| ... \|\| ...		\| ... \|\| ... \|\| ...
	\|-		\|-
	\| 10 \|\| TX		\| 10 \|\| TX \|\| SO0
	\|-		\|-
	\| 11 \|\| RX		\| 11 \|\| RX \|\| SI0
	\|-		\|-
	\| 13 \|\| CLKo		\| 13 \|\| CLKo \|\| SCK0
	\|}		\|}

			NOTE: During VMU-to-VMU file transfers, driven by the BIOS, RX is 1 byte delayed "echo" of TX.

Unknown user: Created page with " VMU Connector Pin-Out {| class="wikitable" |- ! Pin !! Function |- | 2 || CLKi |- | 3 || RX |- | 4 || TX |- | ... || ... |-..."

2023-03-25T07:59:10Z

Created page with " 600x600px|left|VMU Connector Pin-Out {| class="wikitable" |- ! Pin !! Function |- | 2 || CLKi |- | 3 || RX |- | 4 || TX |- | ... || ... |-..."

New page

[[File:VMU Connector Pin-Out.jpg|600x600px|left|VMU Connector Pin-Out]]

{| class="wikitable"
|-
! Pin !! Function
|-
| 2 || CLKi
|-
| 3 || RX
|-
| 4 || TX
|-
| ... || ...
|-
| 10 || TX
|-
| 11 || RX
|-
| 13 || CLKo
|}