AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 561

• Manufacturer Part Number: AT91SAM7S321-AU
• Description: IC ARM7 MCU FLASH 32K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S321-AU

• 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-LQFP
• 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
• Controller Family/series: AT91SAM7xxxx
• No. Of I/o's: 32
• Ram Memory Size: 8KB
• Cpu Speed: 55MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• 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: Lead free / RoHS Compliant

6175K–ATARM–30-Aug-10
Table 37-7.
Note:
Mode
Active, Running out of SRAM, 1.1MHz
(AT91SAM7S64/321/32/161/16)
Active, Running out of SRAM, 1MHz
(AT91SAM7S512/256/128)
Ultra low power
1. “Flash is in standby mode” means the Flash is not accessed at all.
Low power consumption figures found in the above table cannot be guaranteed when access-
ing the Flash in Ultra Low Power Mode. In order to meet given low power consumption figures,
it is recommended to either stop the processor or jump to SRAM.
Power Consumption for Different Modes
AT91SAM7S Series Preliminary
Conditions
Voltage regulator is on.
Brown Out Detector is activated.
Flash is in standby mode.
PLL is de-activated.
Main oscillator is activated.
ARM Core clock is 1.1 MHz.
Running out of SRAM
Analog-to-Digital Converter activated.
All peripheral clocks activated.
USB transceiver enabled.
onto AMP1
onto AMP2
Voltage regulator is on.
Brown Out Detector is activated.
Flash is in standby mode.
PLL is de-activated.
Main oscillator is activated.
ARM Core clock is 1 MHz.
Running out of SRAM
Analog-to-Digital Converter activated.
All peripheral clocks activated.
USB transceiver enabled.
onto AMP1
onto AMP2
Voltage regulator is in Low-power
mode.
Brown Out Detector is de-activated.
Flash is in standby mode.
PLL is de-activated.
Main oscillator is activated.
ARM Core in idle mode.
MCK @ 500Hz.
Analog-to-Digital Converter de-
activated.
All peripheral clocks de-activated.
USB transceiver disabled.
DDM and DDP pins connected to
ground.
onto AMP1
onto AMP2
(1)
Consumption
1.12
1.06
1.06
0.99
34.3
4.0
Unit
mA
mA
µA
561