SAM3S16C Atmel Corporation, SAM3S16C Datasheet - Page 23
SAM3S16C
Manufacturer Part Number
SAM3S16C
Description
Manufacturer
Atmel Corporation
Datasheet
1.SAM3S16C.pdf
(1130 pages)
Specifications of SAM3S16C
Flash (kbytes)
1024 Kbytes
Pin Count
100
Max. Operating Frequency
100 MHz
Cpu
Cortex-M3
# Of Touch Channels
39
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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7.5
7.6
11117B–ATARM–18-Oct-11
Master to Slave Access
Peripheral DMA Controller
All the Masters can normally access all the Slaves. However, some paths do not make sense,
for example allowing access from the Cortex-M3 S Bus to the Internal ROM. Thus, these paths
are forbidden or simply not wired and shown as “-” in the following table.
Table 7-3.
The Peripheral DMA Controller handles transfer requests from the channel according to the fol-
lowing priorities (Low to High priorities):
Table 7-4.
• Handles data transfer between peripherals and memories
• Low bus arbitration overhead
• Next Pointer management for reducing interrupt latency requirement
Instance Name
Slaves
0
1
2
3
4
USART1
USART0
UART1
UART0
UART1
HSMCI
– One Master Clock cycle needed for a transfer from memory to peripheral
– Two Master Clock cycles needed for a transfer from peripheral to memory
PWM
TWI1
TWI0
PIOA
TWI1
TWI0
DAC
SSC
SPI
SAM3S16 Master to Slave Access
Peripheral DMA Controller
External Bus Interface
Channel T/R
Peripheral Bridge
Internal SRAM
Internal Flash
Internal ROM
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Receive
Receive
Receive
Masters
100 Pins
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Cortex-M3 I/D
Bus
X
X
0
-
-
-
Cortex-M3 S
Bus
X
X
X
1
-
-
SAM3S16
PDC
X
X
X
X
2
-
CRCCU
X
X
X
X
3
-
23
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