Pinout
Multi-use port
| Pin | Signal |
|---|---|
| 1 | Another voltage input? |
| 2 | Another voltage input? |
| 3 | GND |
| 4 | Audio output |
| 5 | Audio output |
| 6 | UART RX (CPU/Syscon) |
| 7 | UART TX (CPU/Syscon) |
| 8 | UART CTS (CPU/Syscon) |
| 9 | UART RTS (CPU/Syscon) |
| 10 | ? |
| 11 | headset control GND |
| 12 | headset control data / mic |
| 13 | Unknown, connected to Wolfson Micro WM1803E DAC |
| 14 | GND |
| 15 | Unknown, connected to MB44C026A IC |
| 16 | GND |
| 17 | +5V charge input |
| 18 | +5V charge input |
| 19 | GND |
| 20 | USB D- |
| 21 | USB D+ |
Accessory Port / EHCI
Accessory Port - mstrp1
Accessory Port - mstrp2
Accessory Port - mstrp3
Accessory Port - mstrp4
The accessory port found only on the original Vita models is a custom port USB interface.
It is commonly believed that code to enable the port was removed in 1.69 however This is actually not true.
Even on the latest firmware the accessory port can be enabled using
sceUsbServAccessoryActivate
and disabled with
sceUsbServAccessoryDeactivate
The port is mostly compatible with drivers for the full sized USB Port on the PlayStation TV. Only difference being 3.3v power and logic levels, instead of 5v.
Pinout
| Pin | Name | Description |
|---|---|---|
| 1 | GND | Ground - On the side with the mounting hole that has threads |
| 2 | ID (1.8v) | USB OTG |
| 3 | D- | USB Data |
| 4 | D+ | USB Data |
| 5 | VBUS (3.3v) | Power |
Offical usage
There are only a few documented uses for the accessory port on the PSVita.
FCC
In the FCC filing for the PDEL-1001 development unit. It seems that some dongle attached to the device is used as part of their hardware testing framework.
Accessory to USB adapter
An Accessory port to USB adapter board was sold on auction sites awhile ago. It comes from a PSVita factory in China that was being repurchased for other things. since production of the PSVita has stopped.
Unoffical usage
There have been some usage of the accessory port outside Sony
VitaShell
VitaShell can mount a USB Mass Storage device plugged into the accessory port. as seen in this video on youtube
Simular Connectors
The sheilding on the port is simular to what is used on the Panasonic K1HA14AD0001 camera.
However. The pin layout on this is incorrect and will short the accessory port if plugged into a psvita.