Updated usb regs (markdown)

diff --git a/usb-regs.md b/usb-regs.md
index 48a0e042d2e8bf15294e92bcb63da292a14034b0..e02c182b52d0646afaef8576dd6ad27050880989 100644 (file)
--- a/usb-regs.md
+++ b/usb-regs.md
@@ -146,7 +146,7 @@ these endpoints are handled by DMA
 * BIT1
 * BIT0  
 These offset + 2 Byte step for each endpoint.  
-For example EP0 = +0x00; EP1 = +0x02; or offset+(EPn << 1).
+For example EP0 = +0x00; EP1 = +0x02; or offset+(EPn << 1). In these address space will fit 15 endpoints.
 
 # 0x5E ZM_EP_OUT_MAX_SIZE_LOW_OFFSET
 
@@ -160,7 +160,7 @@ For example EP0 = +0x00; EP1 = +0x02; or offset+(EPn << 1).
 * BIT1
 * BIT0  
 These offset + 2 Byte step for each endpoint.  
-For example EP0 = +0x00; EP1 = +0x02; or offset+(EPn << 1).
+For example EP0 = +0x00; EP1 = +0x02; or offset+(EPn << 1). In these address space will fit 15 endpoints.
 
 # 0xAE ZM_EP3_BYTE_COUNT_HIGH_OFFSET
     BIT3 - 1 xfer done?
@@ -168,15 +168,23 @@ For example EP0 = +0x00; EP1 = +0x02; or offset+(EPn << 1).
 
 # 0xAF ZM_EP4_BYTE_COUNT_HIGH_OFFSET
     BIT4 - 1 - reset fifo; 0 - disable reset?
-    comments: probably compatible with ZM_EP3_BYTE_COUNT_HIGH_OFFSET
+    comments: probably compatible with ZM_EP3_BYTE_COUNT_HIGH_OFFSET.  
+**These name reg do not fit to pattern!!!** Compare with 0x3e, 0x3f and 0x5e, 0x5f.
 
 # 0xBE ZM_EP3_BYTE_COUNT_LOW_OFFSET
+    size of data in fifo buffer? never used?
 
 # 0xBF ZM_EP4_BYTE_COUNT_LOW_OFFSET
     size of data in fifo buffer
 
 # 0xF8 ZM_EP3_DATA_OFFSET
+32bit data.  
+
 # 0xFC ZM_EP4_DATA_OFFSET
+32bit data.  
+
+# 0x100 what is here?
+** we miss 8 bytes here **
 
 # 0x108 ZM_SOC_USB_MODE_CTRL_OFFSET
     BIT10 - 1 - enable MP (EP6) downstream stream mode