SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 274
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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13.4.6
Figure 13-7.
274
274
if (URSTEN = 0) and
SAM4S
SAM4S
Peripheral Access
Reset Controller Status Register
(URSTIEN = 1)
Reset Controller Status and Interrupt
URSTS
NRSTL
rstc_irq
NRST
MCK
The Reset Controller status register (RSTC_SR) provides several status fields:
resynchronization
• RSTTYP field: This field gives the type of the last reset, as explained in previous sections.
• SRCMP bit: This field indicates that a Software Reset Command is in progress and that no
• NRSTL bit: The NRSTL bit of the Status Register gives the level of the NRST pin sampled on
• URSTS bit: A high-to-low transition of the NRST pin sets the URSTS bit of the RSTC_SR
further software reset should be performed until the end of the current one. This bit is
automatically cleared at the end of the current software reset.
each MCK rising edge.
register. This transition is also detected on the Master Clock (MCK) rising edge (see
13-7). If the User Reset is disabled (URSTEN = 0) and if the interruption is enabled by the
URSTIEN bit in the RSTC_MR register, the URSTS bit triggers an interrupt. Reading the
RSTC_SR status register resets the URSTS bit and clears the interrupt.
2 cycle
resynchronization
2 cycle
RSTC_SR
read
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11
Figure
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