
101
32142D–06/2013
ATUC64/128/256L3/4U
8.7
User Interface
Note:
1. The reset values are device specific. Please refer to the Module Configuration section at the end of this chapter.
Table 8-5.
USBC Register Memory Map
Offset
Register
Name
Access
Reset Value
0x0000
Device General Control Register
UDCON
Read/Write
0x00000100
0x0004
Device Global Interrupt Register
UDINT
Read-Only
0x00000000
0x0008
Device Global Interrupt Clear Register
UDINTCLR
Write-Only
0x00000000
0x000C
Device Global Interrupt Set Register
UDINTSET
Write-Only
0x00000000
0x0010
Device Global Interrupt Enable Register
UDINTE
Read-Only
0x00000000
0x0014
Device Global Interrupt Enable Clear Register
UDINTECLR
Write-Only
0x00000000
0x0018
Device Global Interrupt Enable Set Register
UDINTESET
Write-Only
0x00000000
0x001C
Endpoint Enable/Reset Register
UERST
Read/Write
0x00000000
0x0020
Device Frame Number Register
UDFNUM
Read-Only
0x00000000
0x0100 + n*4
Endpoint n Configuration Register
UECFGn
Read/Write
0x00000000
0x0130 + n*4
Endpoint n Status Register
UESTAn
Read-Only
0x00000100
0x0160 + n*4
Endpoint n Status Clear Register
UESTAnCLR
Write-Only
0x00000000
0x0190 + n*4
Endpoint n Status Set Register
UESTAnSET
Write-Only
0x00000000
0x01C0 + n*4
Endpoint n Control Register
UECONn
Read-Only
0x00000000
0x01F0 + n*4
Endpoint n Control Set Register
UECONnSET
Write-Only
0x00000000
0x0220 + n*4
Endpoint n Control Clear Register
UECONnCLR
Write-Only
0x00000000
0x0800
General Control Register
USBCON
Read/Write
0x00004000
0x0804
General Status Register
USBSTA
Read-Only
0x00000000
0x0808
General Status Clear Register
USBSTACLR
Write-Only
0x00000000
0x080C
General Status Set Register
USBSTASET
Write-Only
0x00000000
0x0818
IP Version Register
UVERS
Read-Only
0x081C
IP Features Register
UFEATURES
Read-Only
0x0820
IP PB Address Size Register
UADDRSIZE
Read-Only
0x0824
IP Name Register 1
UNAME1
Read-Only
0x0828
IP Name Register 2
UNAME2
Read-Only
0x082C
USB Finite State Machine Status Register
USBFSM
Read-Only
0x00000009
0x0830
USB Descriptor address
UDESC
Read/Write
0x00000000