AT91SAM7SE256-CU Atmel, AT91SAM7SE256-CU Datasheet - Page 137
![IC ARM7 MCU FLASH 256K 144-LFBGA](/photos/12/13/121356/144-lfbga_sml.jpg)
AT91SAM7SE256-CU
Manufacturer Part Number
AT91SAM7SE256-CU
Description
IC ARM7 MCU FLASH 256K 144-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256-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
144-LFBGA
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
EBI, SPI, TWI, USART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7SE-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
For Use With
AT91SAM7SE-EK - EVAL BOARD FOR AT91SAM7SEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
AT91SAM7SE256-CJ
AT91SAM7SE256-CJ
AT91SAM7SE256-CJ
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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- Download datasheet (11Mb)
21.3
Table 21-1.
6222F–ATARM–14-Jan-11
Name
D[31:0]
A[22:0]
NWAIT
NCS[7:0]
NWR[1:0]
NRD
NWE
NUB
NLB
CFCE[2:1]
CFOE
CFWE
CFIOR
CFIOW
CFRNW
CFCS[1:0]
NANDCS
NANDOE
NANDWE
NANDCLE
NANDALE
SDCK
SDCKE
SDCS
BA[1:0]
SDWE
RAS - CAS
NBS[3:0]
SDA10
I/O Lines Description
I/O Lines Description
Data Bus
Address Bus
External Wait Signal
Chip Select Lines
Read Signal
NLB: Lower Byte Select
CompactFlash Chip Enable
CompactFlash Output Enable
CompactFlash Write Enable
CompactFlash I/O Read Signal
CompactFlash I/O Write Signal
CompactFlash Read Not Write Signal
CompactFlash Chip Select Lines
NAND Flash Chip Select Line
NAND Flash Output Enable
NAND Flash Write Enable
NAND Flash Command Line Enable
NAND Flash Address Line Enable
SDRAM Clock
SDRAM Clock Enable
SDRAM Controller Chip Select Line
Row and Column Signal
Function
Write Signals
Write Enable
NUB: Upper Byte Select
Bank Select
SDRAM Write Enable
Byte Mask Signals
SDRAM Address 10 Line
EBI for CompactFlash Support
EBI for NAND Flash Support
SDRAM Controller
SMC
EBI
SAM7SE512/256/32 Preliminary
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
I/O
Active Level
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
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