AT91SAM7SE256-AU Atmel, AT91SAM7SE256-AU Datasheet - Page 4

• Manufacturer Part Number: AT91SAM7SE256-AU
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256-AU

• 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: 128-LQFP
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, TWI, USART
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 88
• Number Of Timers: 2
• Operating Supply Voltage: 3 V to 3.6 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, 8 Channel
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 88
• Ram Memory Size: 32KB
• Cpu Speed: 48MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• 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: Lead free / RoHS Compliant

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