ATSAM3S4CA-AU Atmel, ATSAM3S4CA-AU Datasheet - Page 750
![IC MCU 32BIT 256KB FLASH 100LQFP](/photos/6/76/67646/313-100-lqfp_sml.jpg)
ATSAM3S4CA-AU
Manufacturer Part Number
ATSAM3S4CA-AU
Description
IC MCU 32BIT 256KB FLASH 100LQFP
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S4CA-AU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
64MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
79
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 1.95 V
Data Converters
A/D 16x10/12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Controller Family/series
ATSAM3S
No. Of I/o's
79
Ram Memory Size
48KB
Cpu Speed
64MHz
No. Of Timers
6
Rohs Compliant
Yes
Processor Series
ATSAM3x
Core
ARM Cortex M3
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3S-EK
Cpu Family
AT91
Device Core
ARM Cortex-M3
Device Core Size
32b
Frequency (max)
64MHz
Total Internal Ram Size
48KB
# I/os (max)
79
Number Of Timers - General Purpose
6
Operating Supply Voltage (typ)
1.8/3.3V
Operating Supply Voltage (max)
1.95/3.6V
Operating Supply Voltage (min)
1.62V
On-chip Adc
16-chx12-bit
On-chip Dac
2-chx12-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATSAM3S4CA-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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34.6.4
34.6.5
34.6.6
750
SAM3S Preliminary
Clock Control
TC Operating Modes
Trigger
The clock of each counter can be controlled in two different ways: it can be enabled/disabled
and started/stopped. See
•
•
Figure 34-4. Clock Control
Each channel can independently operate in two different modes:
•
•
The TC Operating Mode is programmed with the WAVE bit in the TC Channel Mode Register.
In Capture Mode, TIOA and TIOB are configured as inputs.
In Waveform Mode, TIOA is always configured to be an output and TIOB is an output if it is not
selected to be the external trigger.
A trigger resets the counter and starts the counter clock. Three types of triggers are common to
both modes, and a fourth external trigger is available to each mode.
The clock can be enabled or disabled by the user with the CLKEN and the CLKDIS
commands in the Control Register. In Capture Mode it can be disabled by an RB load event
if LDBDIS is set to 1 in TC_CMR. In Waveform Mode, it can be disabled by an RC Compare
event if CPCDIS is set to 1 in TC_CMR. When disabled, the start or the stop actions have no
effect: only a CLKEN command in the Control Register can re-enable the clock. When the
clock is enabled, the CLKSTA bit is set in the Status Register.
The clock can also be started or stopped: a trigger (software, synchro, external or compare)
always starts the clock. The clock can be stopped by an RB load event in Capture Mode
(LDBSTOP = 1 in TC_CMR) or a RC compare event in Waveform Mode (CPCSTOP = 1 in
TC_CMR). The start and the stop commands have effect only if the clock is enabled.
Capture Mode provides measurement on signals.
Waveform Mode provides wave generation.
Selected
Counter
Clock
Clock
Figure
Q
34-4.
R
S
Trigger
CLKSTA
Q
CLKEN
S
R
Event
Stop
CLKDIS
Disable
Event
6500C–ATARM–8-Feb-11
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