SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 138

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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
11.6.6.2
138
138
SAM4S
SAM4S
UMULL, UMAAL, UMLAL
Unsigned Long Multiply, with optional Accumulate, using 32-bit operands and producing a 64-bit
result.
Syntax
op{cond} RdLo, RdHi, Rn, Rm
where:
op
cond
RdHi, RdLo
Rn, Rm
Operation
These instructions interpret the values from
The
The
The
Restrictions
In these instructions:
Condition Flags
These instructions do not affect the condition code flags.
Examples
UMULL R0, R4, R5, R6 ; Multiplies R5 and R6, writes the top 32 bits to R4
UMAAL R3, R6, R2, R7 ; Multiplies R2 and R7, adds R6, adds R3, writes the
UMLAL R2, R1, R3, R5
• Multiplies the two unsigned integers in the first and second operands.
• Writes the least significant 32 bits of the result in
• Writes the most significant 32 bits of the result in
• Multiplies the two unsigned 32-bit integers in the first and second operands.
• Adds the unsigned 32-bit integer in
• Adds the unsigned 32-bit integer in
• Writes the top 32-bits of the result to
• Writes the lower 32-bits of the result to
• multiplies the two unsigned integers in the first and second operands.
• Adds the 64-bit result to the 64-bit unsigned integer contained in
• Writes the result back to
• do not use SP and do not use PC.
RdHi
UMULL
UMAAL
UMLAL
and
instruction:
instruction:
instruction:
RdLo
is one of:
UMULL
UMAAL
UMLAL
is an optional condition code, see
are the destination registers. For
accumulating value.
are registers holding the first and second operands.
must be different registers.
Unsigned Long Multiply, with Accumulate.
Unsigned Long Multiply.
Unsigned Long Multiply with Accumulate Accumulate.
; and the bottom 32 bits to R0
; top 32 bits to R6, and the bottom 32 bits to R3
; Multiplies R5 and R3, adds R1:R2, writes to R1:R2.
RdHi
and
RdLo
RdHi
RdLo
RdHi.
.
RdLo
to the 64-bit result of the multiplication.
to the 64-bit result of the addition.
Rn
UMAAL
“Conditional Execution”
.
and
,
Rm
UMLAL
RdLo.
RdHi
as unsigned 32-bit integers.
.
and
UMLAL
.
they also hold the
RdHi
and
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11
RdLo
.

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