Updated usb regs (markdown)

diff --git a/usb-regs.md b/usb-regs.md
index f2b1b23c68e3b349451b95c05a92b77d65cbfe21..1df079e4dea1ccf6213e1007cc14ea4d047cd3aa 100644 (file)
--- a/usb-regs.md
+++ b/usb-regs.md
@@ -1,6 +1,7 @@
 Assumptions made on source code:
 * looks like USB block is [FUSB200](http://www.faraday-tech.com/techDocument/FUSB200_ProductBrief_v1_2.pdf).
-* According to docs FUSB200 has 15 endpoints, but according to the source 10.
+* We have 15 Enddpoints and 15 FIFO buffers.
+* FIFO0 - FIFO13, 512 Byte each? FIFO14 - FIFO15 - 64 Byte each?
 
 # 0x00 ZM_MAIN_CTRL_OFFSET
 * BIT7
@@ -288,7 +289,7 @@ Current layout:
 * BIT2 - BIT3; number of FIFO blocks or better to say extra blocks? 0 - no more blocks; 1 - one block; 2 - two blocks.
 * BIT0 - BIT1; EP type: 0x1 - Iso; 0x2 - Bulk, 0x3 - Intr;
 
-* 0x90 0x86                                                                     
+* 0x90 0x86 <- FIFO0: Bulk | + one block (0x91) | size 512
 * 0x91 0x06                                                                     
 * 0x92 0x86                                                                     
 * 0x93 0x06