AT91SAM7A3-AU Atmel, AT91SAM7A3-AU Datasheet - Page 559

• Manufacturer Part Number: AT91SAM7A3-AU
• Description: IC ARM7 MCU FLASH 256K 100LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7A3-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 60MHz
• Connectivity: CAN, I²C, MMC, SPI, SSC, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K 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
• Controller Family/series: AT91SAM7xx
• No. Of I/o's: 62
• Ram Memory Size: 32KB
• Cpu Speed: 60MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 60 MHz
• Operating Supply Voltage: 3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 62
• Interface Type: CAN/SPI/I2S/TWI/USART/USB
• On-chip Adc: 2(8-chx10-bit)
• Number Of Timers: 3
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Ram Size: 32 KB
• Maximum Clock Frequency: 60 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM7A3-EK
• Minimum Operating Temperature: - 40 C
• Cpu Family: 91S
• Device Core Size: 32b
• Frequency (max): 60MHz
• Total Internal Ram Size: 32KB
• # I/os (max): 62
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7A3-EK - KIT EVAL FOR AT91SAM7A3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

37.7
Table 37-15. Channel Conversion Time and ADC CLock
Notes:
Table 37-16. External Voltage Reference Input
Table 37-17. Analog Inputs
The user can drive ADC input with impedance up to:
with SHTIM (Sample and Hold Time register) expressed in ns and Z
Table 37-18. Transfer Characteristics
6042E–ATARM–14-Dec-06
Parameter
ADC Clock Frequency
ADC Clock Frequency
Startup Time
Track and Hold Acquisition Time
Conversion Time
Conversion Time
Throughput Rate
Throughput Rate
Parameter
ADVREF Input Voltage Range
ADVREF Average Current
Current Consumption on VDD3V3
Parameter
Input Voltage Range
Input Leakage Current
Input Capacitance
Parameter
Resolution
Integral Non-linearity
Differential Non-linearity
Offset Error
Gain Error
• Z
• Z
OUT
OUT
Analog-to-Digital Converter Characteristics
1. Corresponds to 13 clock cycles at 5 MHz: 3 clock cycles for track and hold acquisition time and 10 clock cycles for
2. Corresponds to 15 clock cycles at 8 MHz: 5 clock cycles for track and hold acquisition time and 10 clock cycles for
≤ (SHTIM -470) x 10 in 8-bit resolution mode
≤ (SHTIM -589) x 7.69 in 10-bit resolution mode
conversion.
conversion.
Conditions
10-bit resolution mode
8-bit resolution mode
Return from Idle Mode
ADC Clock = 5 MHz
ADC Clock = 8 MHz
ADC Clock = 5 MHz
ADC Clock = 8 MHz
Conditions
On 13 samples with ADC Clock = 5 MHz
OUT
expressed in ohms.
AT91SAM7A3 Preliminary
Min
600
Min
Min
Min
2.6
0
Typ
0.55
±0.5
±0.5
Typ
200
Typ
Typ
12
10
±1
±1
1
384
533
Max
1.25
20
5
8
2
(1)
(2)
V
V
ADVREF
Max
VDD3V3
Max
Max
250
14
±3
±2
±2
±2
1
Units
kSPS
kSPS
MHz
MHz
µs
ns
µs
µs
Units
Units
Units
LSB
LSB
LSB
LSB
mA
µA
pF
µA
Bit
V
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