AT91SAM7SE256-CU Atmel, AT91SAM7SE256-CU Datasheet - Page 139

IC ARM7 MCU FLASH 256K 144-LFBGA

AT91SAM7SE256-CU

Manufacturer Part Number
AT91SAM7SE256-CU
Description
IC ARM7 MCU FLASH 256K 144-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT91SAM7SE256-CU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
AT91SAM7SE256-CU
Manufacturer:
ATMEL
Quantity:
18
Part Number:
AT91SAM7SE256-CU-999
Manufacturer:
Atmel
Quantity:
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Table 21-3.
Notes:
6222F–ATARM–14-Jan-11
Pin
Controller
A18 - A20
A21/NANDALE
A22/REG/NANDCLE
NCS0
NCS1/SDCS
NCS2/CFCS1
NCS3/NANDCS
NCS4/CFCS0
NCS5/CFCE1
NCS6/CFCE2
NCS7
NANDOE
NANDWE
NRD/CFOE
NWR0/NWE/CFWE
NWR1/NBS1/CFIOR
NBS3/CFIOW
SDCK
SDCKE
RAS
CAS
SDWE
NWAIT
Pxx
Pxx
Pxx
(6)
(6)
(6)
1. For SDRAM connection examples, refer to
2. For NAND Flash connection examples, refer to “NAND Flash Support on AT91SAM7SE Microcontrollers”, application note.
3. I/O8 - I/O15 bits used only for 16-bit NAND Flash.
4. Not directly connected to the CompactFlash slot. Permits the control of the bidirectional buffer between the EBI data bus and
5. NWR1 enables upper byte writes. NWR0 enables lower byte writes.
6. Any free PIO line.
7. CE connection depends on the Nand Flash.
the CompactFlash slot.
For standard Nand Flash devices, it must be connected to any free PIO line.
For “CE don’t care” 8-bit Nand Flash devices, it can be either connected to NCS3/NANDCS or to any free PIO line.
For “CE don’t care” 16-bit Nand Flash devices, it must be connected to any free PIO line.
EBI Pins and External Static Device Connections (Continued)
8-bit Static
A18 - A20
Device
A21
A22
WE
WE
OE
CS
CS
CS
CS
CS
CS
CS
CS
A17 - A19
2 x 8-bit
Devices
Static
SMC
WE
WE
A20
A21
CS
CS
CS
CS
CS
CS
CS
CS
OE
(5)
(5)
“Using SDRAM on AT91SAM7SE Microcontrollers”,
A17 - A19
Device
16-bit
Static
NUB
A20
A21
WE
OE
CS
CS
CS
CS
CS
CS
CS
CS
Pins of the Interfaced Device
SAM7SE512/256/32 Preliminary
SDRAM
SDRAMC
DQM1
DQM3
CKE
RAS
CAS
CLK
WE
CS
(1)
CompactFlash
CD1 or CD2
CFRNW
CFCS1
CFCS0
WAIT
REG
IOW
CE1
CE2
IOR
WE
OE
(4)
(4)
(4)
True IDE Mode
CompactFlash
CD1 or CD2
CFRNW
CFCS1
CFCS0
SMC
WAIT
CS0
CS1
IOW
application note.
IOR
(4)
(4)
(4)
Flash
NAND
CE
CE
RDY
ALE
CLE
WE
RE
(8)
(7)
(7)
(2)
139

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