SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 444
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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24.13.2
Figure 24-29. Clock Rate Transition Occurs while the SMC is Performing a Write Operation
444
444
internal signal from PMC
SAM4S
SAM4S
Switching from (to) Slow Clock Mode to (from) Normal Mode
Slow Clock Mode
This write cycle finishes with the slow clock mode set
A [23:0]
NWE
MCK
NCS
of parameters after the clock rate transition
When switching from slow clock mode to the normal mode, the current slow clock mode transfer
is completed at high clock rate, with the set of slow clock mode parameters.See
page
Figure 24-30
other.
444. The external device may not be fast enough to support such timings.
SLOW CLOCK MODE WRITE
1
illustrates the recommended procedure to properly switch from one mode to the
NWE_CYCLE = 3
1
1
SLOW CLOCK MODE WRITE
1
Reload Configuration Wait State
transition is detected:
1
Slow clock mode
1
2
NORMAL MODE WRITE
NWE_CYCLE = 7
3
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11
2
Figure 24-29 on
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