AT91SAM7X256B-CU Atmel, AT91SAM7X256B-CU Datasheet - Page 682
![IC MCU 256KB FLASH 100TFBGA](/photos/6/89/68968/313-100-cbga_sml.jpg)
AT91SAM7X256B-CU
Manufacturer Part Number
AT91SAM7X256B-CU
Description
IC MCU 256KB FLASH 100TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7X256B-CU
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-TFBGA
Processor Series
91S
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
CAN, Ethernet, SPI, I2S, TWI, USART, USB
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
62
Number Of Timers
3
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
Package
100TFBGA
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
On-chip Adc
8-chx10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Part Number
Manufacturer
Quantity
Price
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AT91SAM7X512/256/128 Preliminary
20 Fast Flash Programming Interface (FFPI) .......................................... 119
21 AT91SAM Boot Program ..................................................................... 135
22 Peripheral DMA Controller (PDC) ....................................................... 141
23 Advanced Interrupt Controller (AIC) .................................................. 151
24 Clock Generator ................................................................................... 177
25 Power Management Controller (PMC) ................................................ 181
19.3
20.1
20.2
20.3
21.1
21.2
21.3
21.4
21.5
22.1
22.2
22.3
22.4
23.1
23.2
23.3
23.4
23.5
23.6
23.7
23.8
24.1
24.2
24.3
24.4
25.1
25.2
25.3
Embedded Flash Controller (EFC ) User Interface ........................................113
Overview ........................................................................................................119
Parallel Fast Flash Programming ..................................................................119
Serial Fast Flash Programming .....................................................................128
Overview ........................................................................................................135
Flow Diagram ................................................................................................135
Device Initialization ........................................................................................135
SAM-BA Boot ................................................................................................136
Hardware and Software Constraints ..............................................................140
Overview ........................................................................................................141
Block Diagram ...............................................................................................141
Functional Description ...................................................................................142
Peripheral DMA Controller (PDC) User Interface ..........................................144
Overview ........................................................................................................151
Block Diagram ...............................................................................................151
Application Block Diagram .............................................................................152
AIC Detailed Block Diagram ..........................................................................152
I/O Line Description .......................................................................................152
Product Dependencies ..................................................................................153
Functional Description ...................................................................................154
Advanced Interrupt Controller (AIC) User Interface .......................................166
Overview ........................................................................................................177
Slow Clock RC Oscillator ...............................................................................177
Main Oscillator ...............................................................................................177
Divider and PLL Block ...................................................................................179
Description .....................................................................................................181
Master Clock Controller .................................................................................181
Processor Clock Controller ............................................................................182
6120H–ATARM–17-Feb-09
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