AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 617

• 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

Table 38-3.
Table 38-4.
Table 38-5.
6120H–ATARM–17-Feb-09
Symbol
V
V
I
T
I
I
Symbol
V
V
V
V
I
T
Symbol
T
I
I
VDDIN
O
O
DD
SB
CC
VDDIN
VDDOUT
START
BOT18-
HYST18
BOT33-
HYST33
START
PU
Parameter
Power-up delay
Standby current
Active current
Parameter
Supply Voltage
Output Voltage
Current consumption
Startup Time
Maximum DC Output Current
Maximum DC Output Current
Parameter
VDDCORE Threshold Level
VDDCORE Hysteresis
VDDFLASH Threshold Level
VDDFLASH Hysteresis
Current Consumption
Startup Time
1.8V Voltage Regulator Characteristics
Brownout Detector Characteristics
DC Flash Characteristics AT91SAM7X512/256/128
Conditions
@25°C
onto VDDCORE = 1.8V
onto VDDFLASH = 3.3V
@85°C
onto VDDCORE = 1.8V
onto VDDFLASH = 3.3V
Random Read @ 30MHz
onto VDDCORE = 1.8V
onto VDDFLASH = 3.3V
Write (one bank for AT91SAMX512)
onto VDDCORE = 1.8V
onto VDDFLASH = 3.3V
Conditions
I
After startup, no load
After startup, Idle mode, no load
C
V
V
Conditions
V
V
BOD on (GPNVM0 bit active)
BOD off (GPNVM0 bit inactive)
O
DDIN
DDIN
load
HYST18
HYST33
= 20 mA
= 2.2 µF, after V
= 3.3V
= 3.3V, in Idle Mode
= V
= V
AT91SAM7X512/256/128 Preliminary
BOT18+
BOT33+
- V
- V
DDIN
BOT18-
BOT33-
> 2.7V
1.81
Min
1.65
2.70
Min
3.0
Min
1.68
2.80
1.85
Typ
100
Typ
3.3
50
70
24
90
10
Max
120
400
3.0
0.8
5.5
45
10
30
10
Max
1.71
2.90
120
200
Max
1.89
65
30
150
100
3.6
1
25
1
Units
Units
Units
mA
mA
µS
µA
µA
µA
mV
mV
mA
mA
µA
µA
µA
µA
µS
µs
V
V
V
V
617