AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 27

• Manufacturer Part Number: AT91SAM7S256C-MU
• Description: IC ARM7 MCU 32BIT 256K 64-QFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256C-MU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 32
• 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: 64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
• Processor Series: AT91
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: SPI, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 5
• 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
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT91SAM7S256-MU; AT91SAM7S256-MU

Figure 9-1.
6175K–ATARM–30-Aug-10
PA0-PA31
PLLRC
XOUT
NRST
XIN
System Controller Block Diagram (AT91SAM7S512/256/128/64/321/161)
RCOSC
dbgu_irq
BOD
POR
OSC
pmc_irq
PLL
rstc_irq
wdt_irq
en
periph_irq[2..14]
pit_irq
rtt_irq
periph_nreset
usb_suspend
periph_nreset
power_on_reset
power_on_reset
periph_clk[2]
periph_nreset
proc_nreset
cal
gpnvm[0]
dbgu_rxd
dbgu_rxd
irq0-irq1
SLCK
debug
debug
MAINCK
SLCK
SLCK
PLLCK
MCK
MCK
SLCK
int
idle
fiq
jtag_nreset
flash_poe
flash_wrdis
power_on_reset
gpnvm[1]
System Controller
bod_rst_en
Management
Real-Time
Watchdog
Advanced
Controller
Controller
Controller
Controller
Interrupt
Periodic
Interval
Debug
Reset
Power
Timer
Timer
Timer
PIO
Unit
wdt_fault
WDRPROC
AT91SAM7S Series Preliminary
int
dbgu_irq
force_ntrst
dbgu_txd
pit_irq
rtt_irq
wdt_irq
periph_nreset
proc_nreset
rstc_irq
periph_clk[2..14]
pck[0-2]
PCK
UDPCK
MCK
pmc_irq
idle
periph_irq{2]
irq0-irq1
fiq
dbgu_txd
Regulator
Controller
Voltage
Mode
power_on_reset
force_ntrst
periph_clk[4..14]
periph_irq[4..14]
periph_clk[11]
periph_nreset
periph_irq[11]
periph_nreset
usb_suspend
proc_nreset
in
out
enable
jtag_nreset
gpnvm[0..1]
proc_nreset
flash_wrdis
cal
flash_poe
debug
standby
UDPCK
PCK
MCK
security_bit
cal
nirq
nfiq
Boundary Scan
TAP Controller
USB Device
ARM7TDMI
Peripherals
Embedded
Embedded
Controller
Regulator
Memory
Voltage
Flash
Port
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