AT91SAM7SE256-AU Atmel, AT91SAM7SE256-AU Datasheet - Page 29

• 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

6222F–ATARM–14-Jan-11
Figure 9-1.
RCOSC
dbgu_irq
BOD
POR
OSC
periph_irq[2..18]
pmc_irq
PLL
wdt_irq
rstc_irq
en
power_on_reset
pit_irq
rtt_irq
periph_nreset
periph_nreset
periph_nreset
proc_nreset
cal
gpnvm[0]
irq0-irq1
dbgu_rxd
debug
debug
SLCK
SLCK
SLCK
MAINCK
MCK
MCK
PLLCK
SLCK
int
fiq
idle
power_on_reset
flash_wrdis
jtag_nreset
flash_poe
System Controller Block Diagram
gpnvm[1]
System Controller
bod_rst_en
Management
Real-Time
Advanced
Watchdog
Controller
Controller
Controller
Interrupt
Periodic
Interval
Debug
Power
Reset
Timer
Timer
Timer
Unit
wdt_fault
WDRPROC
SAM7SE512/256/32 Preliminary
int
dbgu_irq
force_ntrst
dbgu_txd
pit_irq
rtt_irq
wdt_irq
periph_nreset
proc_nreset
rstc_irq
periph_clk[2..18]
pck[0-3]
PCK
UDPCK
MCK
pmc_irq
idle
Regulator
Controller
Voltage
Mode
power_on_reset
force_ntrst
periph_clk[11]
periph_nreset
periph_irq[11]
usb_suspend
proc_nreset
proc_nreset
gpnvm[0..2]
jtag_nreset
flash_wrdis
i h
flash_poe
cal
standby
UDPCK
debug
MCK
nirq
nfiq
PCK
cal
security_bit
lk[4 18]
Boundary Scan
TAP Controller
USB Device
ARM7TDMI
Embedded
Controller
Regulator
Memory
Voltage
Flash
Port
29