SAM3S2A Atmel Corporation, SAM3S2A Datasheet - Page 396
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SAM3S2A
Manufacturer Part Number
SAM3S2A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3S2A
Flash (kbytes)
128 Kbytes
Pin Count
48
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
17
Hardware Qtouch Acquisition
No
Max I/o Pins
47
Ext Interrupts
47
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
2
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
YES
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
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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23.15 Static Memory Controller (SMC) User Interface
The SMC is programmed using the registers listed in
gram the parameters of the external device connected on it. In
16 bytes (0x10) are required per chip select.
The user must complete writing the configuration by writing any one of the SMC_MODE registers.
Table 23-7.
396
0x10 x CS_number + 0x00
0x10 x CS_number + 0x04
0x10 x CS_number + 0x08
0x10 x CS_number + 0x0C
0x80
0x84
0x88
0xE4
0xE8
0xEC-0xFC
SAM3S
Offset
Register Mapping
Register
SMC Setup Register
SMC Pulse Register
SMC Cycle Register
SMC Mode Register
SMC OCMS MODE Register
SMC OCMS KEY1 Register
SMC OCMS KEY2 Register
SMC Write Protect Mode
Register
SMC Write Protect Status
Register
Reserved
Table
23-7. For each chip select, a set of 4 registers is used to pro-
Table
SMC_SETUP
SMC_CYCLE
SMC_PULSE
SMC_WPMR
SMC_MODE
SMC_OCMS
SMC_WPSR
SMC_KEY1
SMC_KEY2
Name
23-7, “CS_number” denotes the chip select number.
-
Read-write
Read-write
Read-write
Read-write
Read-write
Write once
Write once
Read-write
Read-only
Access
-
6500C–ATARM–8-Feb-11
0x01010101
0x01010101
0x00030003
0x10000003
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
Reset
-
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