AT91SAM7XC256B-AU Atmel, AT91SAM7XC256B-AU Datasheet - Page 26
![MCU ARM 256K HS FLASH 100-LQFP](/photos/6/76/67646/313-100-lqfp_sml.jpg)
AT91SAM7XC256B-AU
Manufacturer Part Number
AT91SAM7XC256B-AU
Description
MCU ARM 256K HS FLASH 100-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7XC128B-CU.pdf
(47 pages)
Specifications of AT91SAM7XC256B-AU
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-LQFP
Package
100LQFP
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
Operating Supply Voltage
1.8 V
Data Bus Width
32 Bit
Number Of Programmable I/os
62
Interface Type
CAN/Ethernet/SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Number Of Timers
3
Processor Series
91S
Core
ARM7TDMI
Data Ram Size
64 KB
Maximum Clock Frequency
55 MHz
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7XC256B-AU
Manufacturer:
WESTCODE
Quantity:
103
Company:
Part Number:
AT91SAM7XC256B-AU
Manufacturer:
ATMEL
Quantity:
899
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