SAM3S4B Atmel Corporation, SAM3S4B Datasheet - Page 443

• Manufacturer Part Number: SAM3S4B
• Manufacturer: Atmel Corporation

Specifications of SAM3S4B

• Flash (kbytes): 256 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 64 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 23
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 79
• Ext Interrupts: 79
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• 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: 10
• 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): 48
• 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

26.16 Power Management Controller (PMC) User Interface
Table 26-3.
Note:
6500C–ATARM–8-Feb-11
0x004C - 0x005C
0x007C- 0x00E0
0x00EC-0x00FC
0x000C
0x001C
0x002C
0x003C
0x006C
0x00E4
0x00E8
0x010C
0x0000
0x0004
0x0008
0x0010
0x0014
0x0018
0x0020
0x0024
0x0028
0x0030
0x0034
0x0038
0x0040
0x0044
0x0048
0x0060
0x0064
0x0068
0x0070
0x0074
0x0078
0x0100
0x0104
0x0108
0x0110
Offset
if an offset is not listed in the table it must be considered as “reserved”
Register Mapping
Register
System Clock Enable Register
System Clock Status Register
Reserved
Peripheral Clock Enable Register 0
Peripheral Clock Disable Register 0
Peripheral Clock Status Register 0
Reserved
Main Oscillator Register
Main Clock Frequency Register
PLLA Register
PLLB Register
Master Clock Register
Reserved
USB Clock Register
Reserved
Programmable Clock 0 Register
Programmable Clock 1 Register
Programmable Clock 2 Register
Reserved
Interrupt Enable Register
Interrupt Disable Register
Status Register
Interrupt Mask Register
Fast Startup Mode Register
Fast Startup Polarity Register
Fault Output Clear Register
Reserved
Write Protect Mode Register
Write Protect Status Register
Reserved
Peripheral Clock Enable Register 1
Peripheral Clock Disable Register 1
Peripheral Clock Status Register 1
Reserved
Oscillator Calibration Register
System Clock Disable Register
Name
PMC_SCER
PMC_SCDR
PMC _SCSR
PMC_PCER0
PMC_PCDR0
PMC_PCSR0
CKGR_MOR
CKGR_MCFR
CKGR_PLLAR
CKGR_PLLBR
PMC_MCKR
PMC_USB
PMC_PCK0
PMC_PCK1
PMC_PCK2
PMC_IER
PMC_IDR
PMC_SR
PMC_IMR
PMC_FSMR
PMC_FSPR
PMC_FOCR
PMC_WPMR
PMC_WPSR
PMC_PCER1
PMC_PCDR1
PMC_PCSR1
PMC_OCR
–
–
–
–
–
–
–
–
Read/Write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Write-only
Write-only
Read-only
Write-only
Write-only
Read-only
Read-only
Write-only
Write-only
Read-only
Read-only
Write-only
Read-only
Write-only
Write-only
Read-only
Access
–
–
–
–
–
–
–
–
0x0000_0001
0x0000_0000
0x0000_0001
0x0000_0000
0x0000_3F00
0x0000_3F00
0x0000_0001
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0x0001_0008
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0x0040_4040
SAM3S
Reset
0x0
0x0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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