AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 670
AT91SAM7SE256B-CUR
Manufacturer Part Number
AT91SAM7SE256B-CUR
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256B-CUR
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
EBI/EMI, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
88
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K 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
*
Processor Series
SAM7SE256
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
SPI, USB
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
88
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Operating Temperature Range
- 40 C to + 85 C
Processor To Be Evaluated
AT91SAM7SE256B
Supply Current (max)
60 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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30 Debug Unit (DBGU) .............................................................................. 299
31 Serial Peripheral Interface (SPI) .......................................................... 323
32 Two Wire Interface (TWI) ..................................................................... 349
33 Universal Synchronous Asynchronous Receiver Transceiver
34 Parallel Input Output Controller (PIO) ................................................ 437
vi
(USART) ................................................................................................ 389
30.1 Overview ............................................................................................................299
30.2 Block Diagram ...................................................................................................300
30.3 Product Dependencies ......................................................................................301
30.4 UART Operations ..............................................................................................301
30.5 Debug Unit User Interface ................................................................................308
31.1 Overview ............................................................................................................323
31.2 Block Diagram ...................................................................................................324
31.3 Application Block Diagram .................................................................................324
31.4 Signal Description .............................................................................................325
31.5 Product Dependencies ......................................................................................325
31.6 Functional Description .......................................................................................326
31.7 Serial Peripheral Interface (SPI) User Interface ................................................335
32.1 Overview ............................................................................................................349
32.2 List of Abbreviations ..........................................................................................349
32.3 Block Diagram ...................................................................................................350
32.4 Application Block Diagram .................................................................................350
32.5 Product Dependencies ......................................................................................351
32.6 Functional Description .......................................................................................352
32.7 Master Mode ......................................................................................................353
32.8 Multi-master Mode .............................................................................................364
32.9 Slave Mode ........................................................................................................367
32.10 Two-wire Interface (TWI) User Interface .........................................................375
33.1 Overview ............................................................................................................389
33.2 Block Diagram ...................................................................................................390
33.3 Application Block Diagram .................................................................................391
33.4 I/O Lines Description ........................................................................................391
33.5 Product Dependencies ......................................................................................392
33.6 Functional Description .......................................................................................393
33.7 USART User Interface ......................................................................................418
SAM7SE512/256/32 Preliminary
6222F–ATARM–14-Jan-11
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