SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 150

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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
11.6.6.10
150
150
SAM4S
SAM4S
SMUL and SMULW
Signed Multiply (halfwords) and Signed Multiply (word by halfword)
Syntax
op{XY}{cond} Rd,Rn, Rm
op{Y}{cond} Rd. Rn, Rm
For
op
cond
Rd
Rn, Rm
Operation
The
signed 16-bit integers. These instructions:
The
Rm
Restrictions
In these instructions:
Examples
SMULBT
SMULBB
• Multiplies the specified signed halfword, Top or Bottom, values from
• Writes the 32-bit result of the multiplication in
• Multiplies the first operand and the top, T suffix, or the bottom, B suffix, halfword of the
• Writes the signed most significant 32 bits of the 48-bit result in the destination register.
• Do not use SP and do not use PC.
as two halfword 16-bit signed integers. These instructions:
second operand.
RdHi
SMULXY
SMULBB
SMULWT
and
only:
,
RdLo
and
SMULTB
R0, R4, R5
R0, R4, R5
is one of:
SMUL{
X
second multiply operand.
If
If
halfword, bits [15:0], of
If
SMULW{Y}
Y specifies which halfword of the source register
operand.
If
If
is an optional condition code, see
is the destination register.
are registers holding the first and second operands.
must be different registers.
SMULWB
and
X
X
Y
Y
Y
is
is
is
is
is
,
XY
SMULBT
B
T
T
B
T
Y
, then the top halfword, bits [31:16] of
, then the top halfword, bits [31:16], of
, then the top halfword (bits [31:16]) of
, then the bottom halfword, bits [15:0] of
, then the bottom halfword (bits [15:0]) of
specify which halfword of the source registers
}
instructions interprets the values from
Signed Multiply (halfwords)
and
Signed Multiply (word by halfword)
; Multiplies the bottom halfword of R4 with the
; Multiplies the bottom halfword of R4 with the
; top halfword of R5, multiplies results and
; writes to R0
; bottom halfword of R5, multiplies results and
SMULTT
Rm
is used.
instructions interprets the values from
“Conditional Execution”
Rd.
Rn
Rm
Rm
Rn
is used.If
Rm
is used.
Rm
is used.
is used.
is used.
is used as the second multiply
Rn
Rn
as a 32-bit signed integer and
and
Y
.
is
Rm
B
Rn
, then the bottom
is used as the first and
and
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11
Rn
Rm
and
.
Rm
as four

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