AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 162
![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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- Download datasheet (11Mb)
22.3
Table 22-1.
22.4
Table 22-2.
162
Name
NCS[7:0]
NRD
NWR0/NWE
NWR1/NUB
A0/NLB
A[22:1]
D[15:0]
NWAIT
A0
NWR0
NWR1
Multiplexed Signals
I/O Lines Description
Multiplexed Signals
SAM7SE512/256/32 Preliminary
I/O Lines Description
Static Memory Controller Multiplexed Signals
NLB
NWE
NUB
Description
Static Memory Controller Chip Select Lines
Read Signal
Write 0/Write Enable Signal
Write 1/Upper Byte Select Signal
Address Bit 0/Lower Byte Select Signal
Address Bus
Data Bus
External Wait Signal
Related Function
8-bit or 16-bit data bus, see
Byte-write or byte-select access, see
Byte-write or byte-select access, see
22.6.1.3 “Data Bus Width” on page
22.6.2.1 “Write Access Type” on page
22.6.2.1 “Write Access Type” on page
164.
Output
Output
Output
Output
Output
Output
Type
Input
I/O
165.
165.
6222F–ATARM–14-Jan-11
Active Level
Low
Low
Low
Low
Low
Low
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