AT91SAM7S321-MU Atmel, AT91SAM7S321-MU Datasheet - Page 27

• Manufacturer Part Number: AT91SAM7S321-MU
• Description: MCU ARM 32K HI SPD FLASH 64-QFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S321-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: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 8 KB
• Interface Type: I2C, I2S, SPI, SSC, TWI, UART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 10 bit
• Operating Supply Voltage: 1.8 V to 3.3 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, AT91SAM7S-EK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• 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

Figure 9-1.
6175IS–ATARM–30-Aug-10
System Controller Block Diagram (AT91SAM7S512/256/128/64/321/161)
PA0-PA31
PLLRC
NRST
XOUT
XIN
RCOSC
dbgu_irq
BOD
POR
OSC
pmc_irq
PLL
rstc_irq
wdt_irq
en
periph_nreset
usb_suspend
periph_nreset
periph_nreset
periph_nreset
periph_nreset
periph_clk[2]
proc_nreset
cal
gpnvm[0]
dbgu_rxd
dbgu_rxd
debug
debug
SLCK
SLCK
MAINCK
SLCK
MCK
MCK
PLLCK
SLCK
int
idle
jtag_nreset
flash_poe
flash_wrdis
power_on_reset
gpnvm[1]
bod_rst_en
Management
Real-Time
Watchdog
Controller
Controller
Controller
AT91SAM7S Series Summary
Periodic
Interval
Debug
Power
Reset
Timer
Timer
Timer
PIO
Unit
wdt_fault
WDRPROC
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]
usb_suspend
periph_nreset
gpnvm[0..1]
proc_nreset
in
out
enable
flash_wrdis
cal
flash_poe
standby
UDPCK
MCK
security_bit
cal
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