AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 460
AT91SAM7S256D-AU
Manufacturer Part Number
AT91SAM7S256D-AU
Description
ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
Manufacturer
Atmel
Series
SAM7S256r
Datasheet
1.AT91SAM7S256D-AU.pdf
(775 pages)
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
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S256D-AU
Manufacturer:
ATMEL
Quantity:
101
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33.5.11.4
Figure 33-13. WAVSEL = 11 Without Trigger
Figure 33-14. WAVSEL = 11 With Trigger
Waveform Examples
When WAVSEL = 11, the value of TC_CV is incremented from 0 to RC. Once RC is reached, the value of TC_CV
is decremented to 0, then re-incremented to RC and so on. See
A trigger such as an external event or a software trigger can modify TC_CV at any time. If a trigger occurs while
TC_CV is incrementing, TC_CV then decrements. If a trigger is received while TC_CV is decrementing, TC_CV
then increments. See
RC Compare can stop the counter clock (CPCSTOP = 1) and/or disable the counter clock (CPCDIS = 1).
0xFFFF
Waveform Examples
Counter Value
R
R
R
TIOB
TIOA
0xFFFF
C
B
A
WAVSEL = 11
Counter Value
TIOB
TIOA
R
R
R
C
B
A
Figure
Counter decremented by compare match with RC
33-14.
Counter decremented by compare match with RC
Figure
Counter decremented
33-13.
SAM7S Series [DATASHEET]
Counter incremented
by trigger
by trigger
6175M–ATARM–26-Oct-12
Time
Time
460
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