AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 5
AT91SAM7SE256B-CUR
Manufacturer Part Number
AT91SAM7SE256B-CUR
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256B-CUR
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
*
Processor Series
SAM7SE256
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
SPI, USB
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
88
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Operating Temperature Range
- 40 C to + 85 C
Processor To Be Evaluated
AT91SAM7SE256B
Supply Current (max)
60 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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- Download datasheet (11Mb)
3. Signal Description
Table 3-1.
6222F–ATARM–14-Jan-11
Signal Name
VDDIN
VDDOUT
VDDFLASH
VDDIO
VDDCORE
VDDPLL
GND
XIN
XOUT
PLLRC
PCK0 - PCK2
TCK
TDI
TDO
TMS
JTAGSEL
ERASE
NRST
TST
DRXD
DTXD
IRQ0 - IRQ1
FIQ
Signal Description List
Function
Voltage Regulator and ADC Power
Supply Input
Voltage Regulator Output
Flash and USB Power Supply
I/O Lines Power Supply
Core Power Supply
PLL
Ground
Main Oscillator Input
Main Oscillator Output
PLL Filter
Programmable Clock Output
Test Clock
Test Data In
Test Data Out
Test Mode Select
JTAG Selection
Flash and NVM Configuration Bits
Erase Command
Microcontroller Reset
Test Mode Select
Debug Receive Data
Debug Transmit Data
External Interrupt Inputs
Fast Interrupt Input
Clocks, Oscillators and PLLs
Flash Memory
ICE and JTAG
Debug Unit
Reset/Test
Power
AIC
SAM7SE512/256/32 Preliminary
Ground
Output
Output
Output
Output
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
Active
Level
High
High
Low
Comments
3V to 3.6V
1.85V
3V to 3.6V
3V to 3.6V or 1.65V to 1.95V
1.65V to 1.95V
1.65V to 1.95V
No pull-up resistor
No pull-up resistor
No pull-up resistor.
Pull-down resistor
Pull-down resistor
Open drain with pull-up resistor
Pull-down resistor
(1)
(1)
(1)
(1)
5
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