AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 567

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

37.4
37.4.1
Table 37-9.
Symbol
1/(t
t
I
ST
OSC
CPRC
Crystal Oscillators Characteristics
)
RC Oscillator Characteristics
RC Oscillator Characteristics
Parameter
RC Oscillator Frequency
Duty Cycle
Startup Time
Current Consumption
Conditions
V
V
After Startup Time
DDPLL
DDPLL
= 1.65V
= 1.65V
SAM7S Series [DATASHEET]
Min
22
45
Typ
32
50
6175M–ATARM–26-Oct-12
Max
1.9
42
55
75
Unit
kHz
µA
µs
%
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