AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 466
![IC MCU 256KB FLASH 100LQFP](/photos/6/76/67646/313-100-lqfp_sml.jpg)
AT91SAM7X256B-AU
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7X256B-AU
Manufacturer:
Atmel
Quantity:
1 800
Part Number:
AT91SAM7X256B-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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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)
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