AT91SAM7XC256B-CU Atmel, AT91SAM7XC256B-CU Datasheet - Page 26

• Manufacturer Part Number: AT91SAM7XC256B-CU
• Description: MCU ARM 256K HS FLASH 100-TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7XC256B-CU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K 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: 100-TFBGA
• Processor Series: 91S
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: CAN, Ethernet, SPI, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 62
• Number Of Timers: 3
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

26
AT91SAM7XC512/256/128 Preliminary
Figure 9-1.
PB0-PB30
PA0-PA30
PLLRC
NRST
XOUT
XIN
System Controller Block Diagram
RCOSC
dbgu_irq
BOD
POR
OSC
pmc_irq
periph_irq[2..19]
PLL
rstc_irq
wdt_irq
efc_irq
en
periph_clk[2-3]
pit_irq
rtt_irq
periph_nreset
periph_nreset
usb_suspend
power_on_reset
periph_nreset
periph_nreset
proc_nreset
dbgu_rxd
cal
gpnvm[0]
irq0-irq1
dbgu_rxd
SLCK
debug
debug
SLCK
SLCK
MAINCK
MCK
MCK
PLLCK
SLCK
idle
int
fiq
power_on_reset
flash_wrdis
jtag_nreset
flash_poe
gpnvm[1]
System Controller
bod_rst_en
Management
Real-Time
Advanced
Watchdog
Controller
Controller
Controller
Controller
Interrupt
Periodic
Interval
Debug
Reset
Power
Timer
Timer
Timer
PIO
Unit
wdt_fault
WDRPROC
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
periph_irq{2-3]
irq0-irq1
fiq
dbgu_txd
Regulator
Controller
Voltage
Mode
power_on_reset
force_ntrst
periph_clk[4..19]
periph_irq[4..19]
periph_clk[11]
periph_nreset
periph_irq[11]
periph_nreset
usb_suspend
in
out
enable
gpnvm[0..2]
proc_nreset
proc_nreset
flash_wrdis
cal
jtag_nreset
flash_poe
standby
UDPCK
efc_irq
debug
MCK
PCK
nirq
nfiq
security_bit
cal
6209DS–ATARM–17-Feb-09
Boundary Scan
TAP Controller
ARM7TDMI
USB Device
Embedded
Embedded
Peripherals
Controller
Regulator
Memory
Voltage
Flash
Port