SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 152

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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
11.6.6.11
152
152
SAM4S
SAM4S
UMULL, UMLAL, SMULL, and SMLAL
Signed and Unsigned Long Multiply, with optional Accumulate, using 32-bit operands and pro-
ducing a 64-bit result.
Syntax
op{cond} RdLo, RdHi, Rn, Rm
where:
op
cond
RdHi, RdLo
Rn, Rm
Operation
The
these integers and places the least significant 32 bits of the result in
cant 32 bits of the result in
The
these integers, adds the 64-bit result to the 64-bit unsigned integer contained in
and writes the result back to
The
It multiplies these integers and places the least significant 32 bits of the result in
most significant 32 bits of the result in
The
It multiplies these integers, adds the 64-bit result to the 64-bit signed integer contained in
and
Restrictions
In these instructions:
Condition Flags
These instructions do not affect the condition code flags.
Examples
• do not use SP and do not use PC
UMULL
SMLAL
RdHi
RdLo
SMULL
SMLAL
UMULL
UMLAL
and
, and writes the result back to
instruction interprets the values from
instruction interprets the values from
instruction interprets the values from
instruction interprets the values from
RdLo
R4, R5, R3, R8
R0, R4, R5, R6 ; Unsigned (R4,R0) = R5 x R6
is one of:
UMULL
UMLAL
SMULL
SMLAL
is an optional condition code, see
are the destination registers. For
value.
are registers holding the operands.
must be different registers.
Unsigned Long Multiply, with Accumulate.
Signed Long Multiply.
Signed Long Multiply, with Accumulate.
Unsigned Long Multiply.
RdHi
RdHi
.
; Signed (R5,R4) = (R5,R4) + R3 x R8
and
RdLo
RdHi
RdHi
.
.
and
UMLAL
“Conditional Execution”
RdLo
Rn
Rn
Rn
Rn
and
and
.
and
and
and
Rm
Rm
SMLAL
Rm
Rm
as two’s complement signed integers.
as two’s complement signed integers.
they also hold the accumulating
as unsigned integers. It multiplies
as unsigned integers. It multiplies
.
RdLo
, and the most signifi-
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11
RdHi
RdLo
and
, and the
RdLo
RdHi
,

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