SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 178

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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
11.6.10.2
178
178
SAM4S
SAM4S
CBZ and CBNZ
Compare and Branch on Zero, Compare and Branch on Non-Zero.
Syntax
CBZ Rn, label
CBNZ Rn, label
where:
Rn
label
Operation
Use the
number of instructions.
CBZ Rn, label
CBNZ Rn, label
Restrictions
The restrictions are:
Condition Flags
These instructions do not change the flags.
Examples
• the branch destination must be within 4 to 130 bytes after the instruction
• these instructions must not be used inside an IT block.
CMP
BEQ
CMP
BNE
CBZ
CBNZ R0, target ; Forward branch if R0 is not zero
Rn
must be in the range of
CBZ
R5, target ; Forward branch if R5 is zero
label
label
does not change condition flags but is otherwise equivalent to:
Rn, #0
Rn, #0
does not change condition flags but is otherwise equivalent to:
or
is the register holding the operand.
is the branch destination.
CBNZ
instructions to avoid changing the condition code flags and to reduce the
R0
to
R7
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11

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