AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 616

• Manufacturer Part Number: AT91SAM7X256B-AU
• Description: IC MCU 256KB FLASH 100LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X256B-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: 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-LQFP
• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 62
• Ram Memory Size: 64KB
• Cpu Speed: 55MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Cpu Family: 91S
• Device Core Size: 32b
• Frequency (max): 55MHz
• Total Internal Ram Size: 64KB
• # I/os (max): 62
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (max): 1.95/3.6V
• Operating Supply Voltage (min): 1.65/3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

38.2
The following characteristics are applicable to the operating temperature range: T
specified.
Table 38-2.
Note that even during startup, V
616
Symbol
V
V
V
V
V
V
V
V
I
I
I
C
I
I
T
LEAK
PULLUP
PULLDOWN
SC
O
SLOPE
VDDCORE
VDDPLL
VDDIO
VDDFLASH
IL
IH
OL
OH
IN
DC Characteristics
AT91SAM7X512/256/128 Preliminary
Parameter
DC Supply Core
DC Supply PLL
DC Supply I/Os
DC Supply Flash
Input Low-level Voltage
Input High-level Voltage
Output Low-level Voltage
Output High-level Voltage
Input Leakage Current
Input Pull-up Current
Input Pull-down Current,
(TST, ERASE, JTAGSEL)
Input Capacitance
Static Current
(AT91SAM7X512/256/128)
Output Current
Supply Core Slope
DC Characteristics
VDDFLASH
Conditions
V
V
I
I
I
I
I
I
I
I
PA0-PA3, Pull-up resistors disabled
(Typ: T
Other PIOs and NRST, Pull-up resistors disabled
(Typ: T
PB27-PB30, V
PAx connected to ground
Other PIOs and NRST, V
PAx connected to ground
V
Pins connected to V
100 LQFP Package
On V
MCK = 500Hz
All inputs driven at 1
(including TMS, TDI, TCK, NRST)
Flash in standby mode
All peripherals off
PA0-PA3, V
PB27-PB30 and NRST, V
Other PIOs, V
O
O
O
O
O
O
O
O
VDDIO
VDDIO
VDDIO
= 8 mA, V
= 0.3 mA, (CMOS) V
= 1.5 mA, V
= 0.3 mA, (CMOS) V
= 8 mA, V
= 0.3 mA, (CMOS) V
= 1.5 mA, V
= 0.3 mA, V
must always be superior or equal to V
VDDCORE
A
A
from 3.0V to 3.6V
from 3.0V to 3.6V
from 3.0V to 3.6V,
= 25°C, Max: T
= 25°C, Max: T
VDDIO
VDDIO
VDDIO
= 1.85V,
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
from 3.0V to 3.6V
from 3.0V to 3.6V
from 3.0V to 3.6V
from 3.0V to 3.6V
from 1.65V to 1.95V
from 1.65V to 1.95V
(CMOS) from 1.65V to 1.95V
from 3.0V to 3.6V,
VDDIO
VDDIO
VDDIO
VDDIO
A
A
= 85°C)
= 85°C)
VDDIO
VDDIO
from 3.0V to 3.6V
from 1.65V to 1.95V
from 3.0V to 3.6V
from 3.0V to 3.6V,
from 3.0V to 3.6V
T
T
A
A
= 25°C
= 85°C
VDDCORE
A
V
V
V
V
= -40°C to 85°C, unless otherwise
.
DDIO
DDIO
DDIO
DDIO
1.65
1.65
Min
-0.3
143
135
3.0
3.0
2.0
10
6
- 0.1
- 0.1
- 0.4
- 0.2
20.6
Typ
321
295
100
40
20
12
6120H–ATARM–17-Feb-09
Max
1.95
1.95
13.9
400
200
600
550
400
0.4
0.1
0.2
3.6
3.6
0.8
5.5
0.1
60
60
16
2
8
Units
V/ms
mA
mA
mA
nA
nA
µA
µA
µA
pF
µA
V
V
V
V
V
V
V
V
V
V
V
V
V
V