AT91SAM7X512-AU Atmel, AT91SAM7X512-AU Datasheet - Page 653
![MCU ARM 512K HS FLASH 100-LQFP](/photos/6/76/67646/313-100-lqfp_sml.jpg)
AT91SAM7X512-AU
Manufacturer Part Number
AT91SAM7X512-AU
Description
MCU ARM 512K HS FLASH 100-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7X512-AU-999.pdf
(687 pages)
Specifications of AT91SAM7X512-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
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
128K 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
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
128 KB
Interface Type
CAN, SPI, SSC, TWI, USART, USB
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
13
Number Of Timers
3
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7X-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7X-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
No. Of I/o's
62
Ram Memory Size
128KB
Cpu Speed
55MHz
No. Of Timers
3
No. Of Pwm Channels
4
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7X-EK - KIT EVAL FOR AT91SAM7X256/128
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7X512-AU
Manufacturer:
Atmel
Quantity:
10 000
Company:
Part Number:
AT91SAM7X512-AU
Manufacturer:
ATMEL
Quantity:
717
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41.3.5
41.3.5.1
41.3.5.2
41.3.5.3
41.3.6
41.3.6.1
41.3.6.2
6120H–ATARM–17-Feb-09
Peripheral Input/Output (PIO)
Pulse Width Modulation Controller (PWM)
PIO: Leakage on PB27 - PB30
PIO: Electrical Characteristics on NRST, PA0-PA30 and PB0-PB26
PIO: Drive Low NRST, PA0-PA30 and PB0-PB26
PWM: Update when PWM_CCNTx = 0 or 1
PWM: Update when PWM_CPRDx = 0
When PB27, PB28, PB29 or PB30 (the I/O lines multiplexed with the analog inputs) are set as
digital inputs with pull-up disabled, the leakage can be 25 µA in worst case and 90 nA in typical
case per I/O when the I/O is set externally at low level.
Set the I/O to VDDIO by internal or external pull-up.
When NRST or PA0 - PA30 or PB0 - PB26 are set as digital inputs with pull-up enabled, the volt-
age of the I/O stabilizes at VPull-up.
Vpull-up
This condition causes a leakage through VDDIO. This leakage is 45 µA per pad in worst case at
3.3 V.
I Leakage
It is recommended to use an external pull-up if needed.
When NRST or PA0 - PA30 or PB0 - PB26 are set as digital inputs with pull-up enabled, driving
the I/O with an output impedance higher than 500 ohms may not drive the I/O to a logical zero.
Output impedance must be lower than 500 ohms.
If the Channel Counter Register value is 0 or 1, the Channel Period Register or Channel Duty
Cycle Register is directly modified when writing the Channel Update Register.
Check the Channel Counter Register before writing the update register.
When Channel Period Register equals 0, the period update is not operational.
Do not write 0 in the period register.
VPull-up Min
VDDIO - 0.65 V
Parameter
I Leakage at 3,3V
Problem Fix/Workaround
Problem Fix/Workaround
Problem Fix/Workaround
Problem Fix/Workaround
Problem Fix/Workaround
VPull-up Max
VDDIO - 0.45 V
Typ
2.5
AT91SAM7X512/256/128 Preliminary
µA
Max
45
µA
653
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