SAM3S16C Atmel Corporation, SAM3S16C Datasheet - Page 946
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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39.5
Figure 39-2. Board Schematic to Interface Device Peripheral
39.5.1
39.5.2
39.6
39.6.1
904
904
Typical Connection
Functional Description
SAM3S16
SAM3S16
USB Device Transceiver
VBUS Monitoring
USB V2.0 Full-speed Introduction
PIO
DDM
DDP
5V Bus Monitoring
The USB device transceiver is embedded in the product. A few discrete components are
required as follows:
VBUS monitoring is required to detect host connection. VBUS monitoring is done using a stan-
dard PIO with internal pullup disabled. When the host is switched off, it should be considered as
a disconnect, the pullup must be disabled in order to prevent powering the host through the pull-
up resistor.
When the host is disconnected and the transceiver is enabled, then DDP and DDM are floating.
This may lead to over consumption. A solution is to enable the integrated pulldown by disabling
the transceiver (TXVDIS = 1) and then remove the pullup (PUON = 0).
A termination serial resistor must be connected to DDP and DDM. The resistor value is defined
in the electrical specification of the product (R
The USB V2.0 full-speed provides communication services between host and attached USB
devices. Each device is offered with a collection of communication flows (pipes) associated with
each endpoint. Software on the host communicates with a USB device through a set of commu-
nication flows.
• the application detects all device states as defined in chapter 9 of the USB specification;
• to reduce power consumption the host is disconnected
• for line termination.
– VBUS monitoring
47 K
27 K
R
R
EXT
EXT
EXT
).
2
3
Connector
Type B
1
4
11117B–ATARM–18-Oct-11
11117B–ATARM–18-Oct-11
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