AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 391
![IC ARM7 MCU FLASH 256K 128-LQFP](/photos/39/71/397101/lqfp-128_sml.jpg)
AT91SAM7SE256B-AUR
Manufacturer Part Number
AT91SAM7SE256B-AUR
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256B-AUR
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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33.3
Figure 33-2. Application Block Diagram
33.4
Table 33-1.
6222F–ATARM–14-Jan-11
Name
SCK
TXD
RXD
RI
DSR
DCD
DTR
CTS
RTS
Application Block Diagram
I/O Lines Description
I/O Line Description
Description
Serial Clock
Transmit Serial Data
Receive Serial Data
Ring Indicator
Data Set Ready
Data Carrier Detect
Data Terminal Ready
Clear to Send
Request to Send
Modem
Modem
Drivers
RS232
Driver
PSTN
PPP
RS232
Drivers
Serial
Driver
Serial
Port
Differential
Field Bus
USART
RS485
Drivers
Driver
Bus
SAM7SE512/256/32 Preliminary
Smart
Driver
EMV
Card
Slot
Transceivers
Driver
IrLAP
IrDA
IrDA
Output
Output
Type
Input
Input
Input
Input
Input
I/O
I/O
Active Level
Low
Low
Low
Low
Low
Low
391
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