AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 136
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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21.2
Figure 21-1. Organization of the External Bus Interface
136
Block Diagram
SAM7SE512/256/32 Preliminary
Controller
Memory
Address Decoder
ASB
Chip Select
Assignor
APB
Controller
Controller
Memory
SDRAM
Static
External Bus Interface
User Interface
CompactFlash
NAND Flash
Controller
Logic
Logic
ECC
Logic
MUX
PIO
SDA10
SDCK
D[31:0]
A0/NBS0
A1/NBS2
A[15:2], A[20:18]
A16/BA0
A17/BA1
NCS0/CFRNW
NCS1/SDCS
NCS2/CFCS1
NCS3/NANDCS
NRD/CFOE
NWR0/NWE/CFWE
NWR1/NBS1/CFIOR
NBS3/CFIOW
SDCKE
RAS
CAS
SDWE
A22/REG/NANDCLE
A21/NANDALE
NCS4/CFCS0
NCS5/CFCE1
NCS6/CFCE2
NCS7
NANDOE
NANDWE
NWAIT
6222F–ATARM–14-Jan-11
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