SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 596
SAM4S16C
Manufacturer Part Number
SAM4S16C
Description
Manufacturer
Atmel Corporation
Specifications of SAM4S16C
Flash (kbytes)
1024 Kbytes
Pin Count
100
# Of Touch Channels
32
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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Figure 29-8. Transmitter Block Diagram
29.7.3
596
596
SSC_TCMR.STTDLY != 0
SAM4S
SAM4S
Receiver Operations
SSC_RCMR.START
SSC_TFMR.DATLEN
SSC_TFMR.FSDEN
RXEN
TX Start
RF
RC0R
Selector
Start
A received frame is triggered by a start event and can be followed by synchronization data
before data transmission.
The start event is configured setting the Receive Clock Mode Register (SSC_RCMR).
“Start” on page 597.
The frame synchronization is configured setting the Receive Frame Mode Register
(SSC_RFMR).
The receiver uses a shift register clocked by the receiver clock signal and the start mode
selected in the SSC_RCMR. The data is transferred from the shift register depending on the
data format selected.
When the receiver shift register is full, the SSC transfers this data in the holding register, the sta-
tus flag RXRDY is set in SSC_SR and the data can be read in the receiver holding register. If
another transfer occurs before read of the RHR register, the status flag OVERUN is set in
SSC_SR and the receiver shift register is transferred in the RHR register.
TXEN
RX Start
RF
SSC_TCMR.START
SSC_THR
Selector
Transmit Shift Register
Start
See “Frame Sync” on page 599.
0
TX Start
SSC_TCMR.STTDLY
SSC_TFMR.FSDEN
SSC_TFMR.DATNB
SSC_TFMR.DATDEF
SSC_TFMR.MSBF
1
SSC_TSHR
TX Controller counter reached STTDLY
SSC_TFMR.FSLEN
SSC_CRTXEN
SSC_CRTXDIS
TX Controller
SSC_SRTXEN
Transmitter Clock
TXEN
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11
TD
See
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