AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 775
AT91SAM7S256C-MU
Manufacturer Part Number
AT91SAM7S256C-MU
Description
IC ARM7 MCU 32BIT 256K 64-QFN
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91SAM7S16-MU.pdf
(51 pages)
2.AT91SAM7S16-MU.pdf
(779 pages)
3.AT91SAM7S256C-MU.pdf
(2 pages)
Specifications of AT91SAM7S256C-MU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
32
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
64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
Processor Series
AT91
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
SPI, TWI, USART, USB
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
32
Number Of Timers
5
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
AT91SAM7S256-MU
AT91SAM7S256-MU
AT91SAM7S256-MU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT91SAM7S256C-MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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6175K–ATARM–30-Aug-10
25 Power Management Controller (PMC) ................................................ 191
26 Debug Unit (DBGU) .............................................................................. 215
27 Parallel Input/Output Controller (PIO) ................................................ 239
28 Serial Peripheral Interface (SPI) ......................................................... 265
29 Two-wire Interface (TWI) AT91SAM7S512/256/128/64/321/32 ........... 291
25.1
25.2
25.3
25.4
25.5
25.6
25.7
25.8
25.9
26.1
26.2
26.3
26.4
26.5
27.1
27.2
27.3
27.4
27.5
27.6
28.1
28.2
28.3
28.4
28.5
28.6
28.7
29.1
29.2
29.3
Description .....................................................................................................191
Master Clock Controller .................................................................................191
Processor Clock Controller ............................................................................192
USB Clock Controller .....................................................................................192
Peripheral Clock Controller ............................................................................192
Programmable Clock Output Controller .........................................................193
Programming Sequence ................................................................................193
Clock Switching Details .................................................................................197
Power Management Controller (PMC) User Interface ..................................200
Overview ........................................................................................................215
Block Diagram ...............................................................................................216
Product Dependencies ..................................................................................217
UART Operations ..........................................................................................217
Debug Unit (DBGU) User Interface ..............................................................224
Overview ........................................................................................................239
Block Diagram ...............................................................................................240
Product Dependencies ..................................................................................241
Functional Description ...................................................................................242
I/O Lines Programming Example ...................................................................246
Parallel Input/Output Controller (PIO) User Interface ....................................248
Overview ........................................................................................................265
Block Diagram ...............................................................................................266
Application Block Diagram .............................................................................266
Signal Description .........................................................................................267
Product Dependencies ..................................................................................267
Functional Description ...................................................................................268
Serial Peripheral Interface (SPI) User Interface User Interface .....................277
Overview ........................................................................................................291
List of Abbreviations ......................................................................................291
Block Diagram ...............................................................................................292
AT91SAM7S Series Preliminary
765
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