ATJ209x USB
From S1MP3 Wiki
The ATJ209x chips have an updated USB sub-chip. The new chip has full USB 2.0 support, with high speed (480Mb).
The ATJ209x chips doesn't support USB host.
The register functionality is similar to the NET2270/2272 of similar vintage (datasheets here and here.)
s1giveio code
WiRe announcing on the mailinglist that he managed to modify s1giveio to work with the newer players: http://lists.s1mp3.org/pipermail/s1mp3-dev-s1mp3.org/2007-April/001039.html
usb registers
| port number | register name |
|---|---|
| 0x3E | USB_INTRESCTL_REG |
| 0x50 | USB_FIFOCTL_REG (USB FIFO Control Register) |
| 0x51 | USB_DMA6CTRL_REG (DMA6 Control Register) |
| 0x52 | USB_IRQSTAT0_REG (USB Interrupt Status Register 0) |
| 0x53 | USB_IRQSTAT1_REG (USB Interrupt Status Register 1) |
| 0x54 | USB_IRQEN0_REG (USB Interrupt Enable Register 0) |
| 0x55 | USB_IRQEN1_REG (USB Interrupt Enable Register 1) |
| 0x56 | USB_CTRL_REG (USB Control Register) |
| 0x57 | USB_STAT_REG (USB Status Register) Read Only |
| 0x58 | USB_EP_IDX_REG (Endpoint Index Register) |
| 0x59 | USB_EP_CFG_REG |
| 0x5A | USB_EP_CTL_REG |
| 0x5B | USB_EP_STAT_REG |
| 0x5C | USB_EP_IRQ_REG |
| 0x5D | USB_EP_IRQEN_REG |
| 0x5E | USB_EP_MAXPKT0_REG |
| 0x5F | USB_EP_MAXPKT1_REG |
| 0x60 | USB_EP_DAT_REG |
| 0x66 | USB_REGPGIDX_REG (USB Register Page Index) |
| 0x67 | USB_DEVADDR_REG (USB Device Address) |
| 0x68 | USB_TESTMODE_REG (USB Test Modes Register) |
| 0x8B | USB_DMA6CLK_REG |
| 0x8C | USB_GLOBAL_CTL_REG (USB Global Control Register) |
| 0xEC | USB_VBUSCTRL_REG
|
Related ports
- bit 3 of port 0xad is set when the player is connected to a usb 1.1 host.
