AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 4
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
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Manufacturer
Quantity
Price
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2. Block Diagram
4
SAM7SE512/256/32 Preliminary
Figure 2-1.
PCK0-PCK2
VDDFLASH
IRQ0-IRQ1
VDDCORE
VDDCORE
JTAGSEL
ADVREF
ADTRG
NPCS0
NPCS1
NPCS2
NPCS3
PLLRC
TCLK0
TCLK1
TCLK2
TIOB0
TIOB1
TIOB2
DRXD
XOUT
TIOA0
TIOA1
TIOA2
DTXD
NRST
RXD0
RXD1
DCD1
DSR1
SPCK
TXD0
SCK0
RTS0
CTS0
TXD1
SCK1
RTS1
CTS1
DTR1
MISO
MOSI
TDO
TMS
TCK
TST
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
FIQ
XIN
TDI
RI1
SAM7SE512/256/32 Block Diagram Signal Description
RCOSC
OSC
POR
PIOA
PLL
BOD
System Controller
SCAN
PIOB
JTAG
WDT
RTT
PIT
DBGU
Controller
Reset
PMC
AIC
PIOC
PDC
PDC
Timer Counter
ICE
USART0
USART1
ADC
TC0
TC1
TC2
SPI
PDC
PDC
PDC
PDC
PDC
PDC
PDC
Embedded
Controller
Peripheral Bridge
Peripheral DMA
Status
Flash
11 Channels
Abort
Memory Protection
Memory Controller
Controller
APB
ARM7TDMI
Processor
Unit
Misalignment
Detection
Decoder
Address
PDC
PDC
FIFO
Static Memory
CompactFlash
NAND Flash
USB Device
Controller
Controller
Controller
SDRAM
PWMC
ECC
EBI
SSC
TWI
32 Kbytes (SE512/256)
512 Kbytes (SE512)
256 Kbytes (SE256)
32 Kbytes (SE32)
Programming
8 Kbytes (SE32)
Fast Flash
Interface
SAM-BA
SRAM
ROM
Flash
or
Regulator
Voltage
1.8V
6222F–ATARM–14-Jan-11
VDDIN
GND
VDDOUT
VDDCORE
VDDIO
VDDFLASH
ERASE
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMM0-PGMM3
PGMD0-PGMD15
PGMNCMD
PGMEN0-PGMEN1
DDM
DDP
PWM0
PWM1
PWM2
PWM3
TF
TK
TD
RD
RK
RF
TWD
TWCK
D[31:0]
A0/NBS0
A1/NBS2
A[15:2], A[20:18]
A21/NANDALE
A22/REG/NANDCLE
A16/BA0
A17/BA1
NCS0
NCS1/SDCS
NCS2/CFCS1
NCS3/NANDCS
NRD/CFOE
NWR0/NWE/CFWE
NWR1/NBS1/CFIOR
NBS3/CFIOW
SDCKE
RAS
CAS
SDWE
SDA10
CFRNW
NCS4/CFCS0
NCS5/CFCE1
NCS6/CFCE2
NCS7
NANDOE
NANDWE
NWAIT
SDCK
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