AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 466

• Manufacturer Part Number: AT91SAM7X256B-AU
• Description: IC MCU 256KB FLASH 100LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X256B-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 62
• Ram Memory Size: 64KB
• Cpu Speed: 55MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Cpu Family: 91S
• Device Core Size: 32b
• Frequency (max): 55MHz
• Total Internal Ram Size: 64KB
• # I/os (max): 62
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (max): 1.95/3.6V
• Operating Supply Voltage (min): 1.65/3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

34.6
WARNING: The UDP peripheral clock in the Power Management Controller (PMC) must be enabled before any read/write
operations to the UDP registers including the UDP_TXCV register.
Table 34-4.
Notes:
466
Offset
0x000
0x004
0x008
0x00C
0x010
0x014
0x018
0x01C
0x020
0x024
0x028
0x02C
0x030 + 0x4 * ( ept_num - 1 )
0x050 + 0x4 * ( ept_num - 1 )
0x070
0x074
0x078 - 0xFC
USB Device Port (UDP) User Interface
1. Reset values are not defined for UDP_ISR.
2. See Warning above the
AT91SAM7X512/256/128 Preliminary
Register Mapping
Register
Frame Number Register
Global State Register
Function Address Register
Reserved
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Interrupt Status Register
Interrupt Clear Register
Reserved
Reset Endpoint Register
Reserved
Endpoint Control and Status Register
Endpoint FIFO Data Register
Reserved
Transceiver Control Register
Reserved
”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
–
6120H–ATARM–17-Feb-09
Reset
0x0000_0000
0x0000_0000
0x0000_0100
–
0x0000_1200
–
–
0x0000_0000
–
0x0000_0000
0x0000_0000
–
0x0000_0000
–
(1)