SAM7X256_14 Datasheet, PDF (446/662 Pages) ATMEL Corporation – ARM-based Flash MCU

34.6 USB Device Port (UDP) User Interface
WARNING: The UDP peripheral clock in the Power Management Controller (PMC) must be enabled before any read/write opera-
tions to the UDP registers including the UDP_TXCV register.
Table 34-4. Register Mapping
Offset
Register
0x000
Frame Number Register
0x004
Global State Register
0x008
Function Address Register
0x00C
Reserved
0x010
Interrupt Enable Register
0x014
Interrupt Disable Register
0x018
Interrupt Mask Register
0x01C
Interrupt Status Register
0x020
Interrupt Clear Register
0x024
Reserved
0x028
Reset Endpoint Register
0x02C
Reserved
0x030 + 0x4 * ( ept_num - 1 ) Endpoint Control and Status Register
0x050 + 0x4 * ( ept_num - 1 ) Endpoint FIFO Data Register
0x070
Reserved
0x074
Transceiver Control Register
0x078 - 0xFC
Reserved
Notes: 1. Reset values are not defined for UDP_ISR.
2. See Warning above the ”Register Mapping” on this page.
Name
UDP_FRM_NUM
UDP_GLB_STAT
UDP_FADDR
–
UDP_IER
UDP_IDR
UDP_IMR
UDP_ISR
UDP_ICR
–
UDP_RST_EP
–
UDP_CSR
UDP_FDR
–
UDP_TXVC⁽²⁾
–
Access
Read-only
Read-write
Read-write
–
Write-only
Write-only
Read-only
Read-only
Write-only
–
Read-write
–
Read-write
Read-write
–
Read-write
–
Reset
0x0000_0000
0x0000_0000
0x0000_0100
–
0x0000_1200
–⁽¹⁾
–
0x0000_0000
–
0x0000_0000
0x0000_0000
–
0x0000_0000
–
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
446