AT91SAM7S321-AU-999 Atmel, AT91SAM7S321-AU-999 Datasheet - Page 570

• Manufacturer Part Number: AT91SAM7S321-AU-999
• Description: IC MCU ARM7 32KB FLASH 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S321-AU-999

• 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, JTAG, SPI, USART
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Operating Supply Voltage: 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
• 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

37.9
Table 37-18. Channel Conversion Time and ADC Clock
Notes:
Table 37-19. External Voltage Reference Input
Table 37-20. Analog Inputs
Table 37-21. Transfer Characteristics
570
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 Input Voltage Range
ADVREF Average Current
Current Consumption on VDDIN
Parameter
Input Voltage Range
Input Leakage Current
Input Capacitance
Parameter
Resolution
Integral Non-linearity
Differential Non-linearity
ADC 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
AT91SAM7S Series Preliminary
conversion.
conversion.
The user can drive ADC input with impedance up to:
with SHTIM (Sample and Hold Time register) expressed in ns and Z
• Z
• Z
OUT
OUT
≤ (SHTIM -470) x 10 in 8-bit resolution mode
≤ (SHTIM -589) x 7.69 in 10-bit resolution mode
Conditions
8-bit resolution mode
On 13 samples with ADC Clock = 5 MHz
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
No missing code
Min
Min
600
Min
Min
2.6
2.5
0
OUT
Typ
Typ
Typ
0.55
Typ
200
12
10
1
expressed in ohms.
6175K–ATARM–30-Aug-10
V
384
533
ADVREF
Max
1.25
V
V
Max
Max
Max
20
250
14
±2
±1
DDIN
DDIN
5
8
2
1
(1)
(2)
Units
kSPS
kSPS
Units
Units
Units
MHz
MHz
LSB
LSB
mA
µs
µs
ns
µs
µA
pF
µA
Bit
V
V