AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 770
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AT91SAM7S256D-AU
Manufacturer Part Number
AT91SAM7S256D-AU
Description
ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
Manufacturer
Atmel
Series
SAM7S256r
Datasheet
1.AT91SAM7S256D-AU.pdf
(775 pages)
Specifications of AT91SAM7S256D-AU
Rohs
yes
Core
ARM
Processor Series
AT91SAM
Data Bus Width
16 bit/32 bit
Maximum Clock Frequency
55 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
3 V to 3.6 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
LQFP-64
Mounting Style
SMD/SMT
Interface Type
2-Wire, I2S, SPI, USART
Length
7 mm
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S256D-AU
Manufacturer:
ATMEL
Quantity:
101
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20 Fast Flash Programming Interface (FFPI) .......................................... 123
21 SAM7 Boot Program ............................................................................ 143
22 Peripheral DMA Controller (PDC) ....................................................... 151
23 Advanced Interrupt Controller (AIC) ................................................... 161
24 Clock Generator ................................................................................... 187
25 Power Management Controller (PMC) ................................................ 191
19.2Functional Description .........................................................................................105
19.3Embedded Flash Controller (EFC) User Interface ...............................................114
20.1Overview ..............................................................................................................123
20.2Parallel Fast Flash Programming ........................................................................124
20.3Serial Fast Flash Programming ...........................................................................136
21.1Description ...........................................................................................................143
21.2Flow Diagram ......................................................................................................143
21.3Device Initialization with USB ..............................................................................144
21.4Device Initialization without USB .........................................................................144
21.5SAM-BA Boot ......................................................................................................145
21.6Hardware and Software Constraints ....................................................................150
22.1Overview ..............................................................................................................151
22.2Block Diagram .....................................................................................................151
22.3Functional Description .........................................................................................152
22.4Peripheral DMA Controller (PDC) User Interface ...............................................153
23.1Overview ..............................................................................................................161
23.2Block Diagram .....................................................................................................161
23.3Application Block Diagram ...................................................................................162
23.4AIC Detailed Block Diagram ................................................................................162
23.5I/O Line Description .............................................................................................162
23.6Product Dependencies ........................................................................................163
23.7Functional Description .........................................................................................164
23.8Advanced Interrupt Controller (AIC) User Interface .............................................175
24.1Overview ..............................................................................................................187
24.2Slow Clock RC Oscillator .....................................................................................187
24.3Main Oscillator .....................................................................................................187
24.4Divider and PLL Block .........................................................................................189
25.1Description ...........................................................................................................191
25.2Master Clock Controller .......................................................................................191
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
770
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