SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 190

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SAM4S16C

Manufacturer Part Number
SAM4S16C
Description
Manufacturer
Atmel Corporation
Datasheets

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
11.6.11.7
190
190
SAM4S
SAM4S
MSR
Move the contents of a general-purpose register into the specified special register.
Syntax
where:
cond
Rn
spec_reg
Operation
The register access operation in MSR depends on the privilege level. Unprivileged software can
only access the APSR. See
access all special registers.
In unprivileged software writes to unallocated or execution state bits in the PSR are ignored.
Note:
See
Restrictions
Rn must not be SP and must not be PC.
Condition Flags
This instruction updates the flags explicitly based on the value in Rn.
Examples
MSR{cond} spec_reg, Rn
MSR
“MRS”
When the user writes to BASEPRI_MAX, the instruction writes to BASEPRI only if either:
Rn is non-zero and the current BASEPRI value is 0
Rn is non-zero and less than the current BASEPRI value.
CONTROL, R1 ; Read R1 value and write it to the CONTROL register
.
is an optional condition code, see
is the source register.
can be any of: APSR, IPSR, EPSR, IEPSR, IAPSR, EAPSR, PSR, MSP, PSP,
PRIMASK, BASEPRI, BASEPRI_MAX, FAULTMASK, or CONTROL.
“Application Program Status Register”
“Conditional Execution”
.
. Privileged software can
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11

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