SAM3S16C Atmel Corporation, SAM3S16C Datasheet - Page 634
SAM3S16C
Manufacturer Part Number
SAM3S16C
Description
Manufacturer
Atmel Corporation
Datasheet
1.SAM3S16C.pdf
(1130 pages)
Specifications of SAM3S16C
Flash (kbytes)
1024 Kbytes
Pin Count
100
Max. Operating Frequency
100 MHz
Cpu
Cortex-M3
# Of Touch Channels
39
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
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Figure 33-11. Master Write with One, Two or Three Bytes Internal Address and One Data Byte
Figure 33-12. Master Read with One, Two or Three Bytes Internal Address and One Data Byte
33.8.6.2
592
592
TWD
TWD
TWD
TWD
TWD
TWD
Three bytes internal address
Two bytes internal address
One byte internal address
Three bytes internal address
Two bytes internal address
One byte internal address
S
S
S
SAM3S16
SAM3S16
S
S
S
10-bit Slave Addressing
DADR
DADR
DADR
DADR
DADR
DADR
W
W
W
For a slave address higher than 7 bits, the user must configure the address size (IADRSZ) and
set the other slave address bits in the internal address register (TWI_IADR). The two remaining
Internal address bytes, IADR[15:8] and IADR[23:16] can be used the same as in 7-bit Slave
Addressing.
Example: Address a 10-bit device (10-bit device address is b1 b2 b3 b4 b5 b6 b7 b8 b9 b10)
Figure 33-13
the use of internal addresses to access the device.
Figure 33-13. Internal Address Usage
1. Program IADRSZ = 1,
2. Program DADR with 1 1 1 1 0 b1 b2 (b1 is the MSB of the 10-bit address, b2, etc.)
3. Program TWI_IADR with b3 b4 b5 b6 b7 b8 b9 b10 (b10 is the LSB of the 10-bit
W
W
W
A
A
A
address)
IADR(23:16)
A
A
A
IADR(15:8)
IADR(7:0)
below shows a byte write to an Atmel AT24LC512 EEPROM. This demonstrates
IADR(23:16)
IADR(15:8)
IADR(7:0)
R
S
T
A
T
M
S
B
Address
Device
A
A
A
0
IADR(15:8)
Sr
IADR(7:0)
A
A
A
S
B
L
W
W
R
T
E
R
I
/
DADR
C
A
K
WORD ADDRESS
IADR(15:8)
IADR(7:0)
M
S
B
DATA
FIRST
R
A
A
Sr
IADR(7:0)
A
A
A
A
A
C
K
WORD ADDRESS
DADR
SECOND
IADR(7:0)
P
DATA
DATA
A
L
S
B
Sr
R
C
A
K
A
A
N
A
DADR
DATA
DATA
P
P
DATA
DATA
11117B–ATARM–18-Oct-11
11117B–ATARM–18-Oct-11
A
C
K
R
N
O
S
T
P
P
A
N
A
P
P
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