AT91SAM7SE256B-CU Atmel, AT91SAM7SE256B-CU Datasheet - Page 617

• Manufacturer Part Number: AT91SAM7SE256B-CU
• Description: IC ARM7 MCU FLASH 256K 144-LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-CU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K 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: *
• Core: ARM7TDMI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Table 40-2.
Table 40-3.
Table 40-4.
6222F–ATARM–14-Jan-11
Symbol
I
I
I
Symbol
V
V
I
T
I
I
Symbol
V
V
V
V
SC
SC
O
VDDIN
O
O
VDDIN
VDDOUT
START
BOT18-
HYST18
BOT33-
HYST33
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
DC Characteristics (Continued)
1.8V Voltage Regulator Characteristics
Brownout Detector Characteristics
Parameter
Static Current
(SAM7SE512/256)
Static Current
(SAM7SE32)
Output Current
Conditions
On V
MCK = 500Hz
All inputs driven at 1
(including TMS, TDI, TCK,
NRST)
Flash in standby mode
All peripherals off
On V
MCK = 500Hz
All inputs driven at 1
(including TMS, TDI, TCK,
NRST)
Flash in standby mode
All peripherals off
PA0-PA3, V
PA0-PA3, V
PA4-PA31, PB0-PB31, PC0-PC23 and
NRST, V
PA4-PA31, PB0-PB31, PC0-PC23 and
NRST, V
Conditions
I
After startup, no load
After startup, Idle mode, no load
C
V
V
Conditions
V
V
O
DDIN
DDIN
load
HYST18
HYST33
= 20 mA
VDDCORE
VDDCORE
= 2.2 µF, after V
= 3.3V
= 3.3V, in Idle Mode
VDDIO
VDDIO
= V
= V
VDDIO
VDDIO
BOT18+
BOT33+
= 1.85V,
= 1.85V,
from 3.0V to 3.6V
from 1.65V to 1.95V
from 3.0V to 3.6V
from 1.65V to 1.95V
- V
- V
DDIN
BOT18-
BOT33-
SAM7SE512/256/32 Preliminary
> 2.7V
T
T
T
T
A
A
A
A
= 25°C
= 85°C
= 25°C
= 85°C
1.81
Min
Min
1.65
2.70
Min
3.0
1.68
2.80
1.85
Typ
Typ
3.3
50
70
90
10
Typ
12
40
10
20
Max
1.71
2.90
120
Max
Max
1.89
300
150
65
150
100
3.6
60
40
16
25
8
8
4
1
Units
Units
Units
mA
mA
mA
mA
mV
mV
mA
mA
µA
µA
µA
µA
µS
V
V
V
V
617