SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 433

• Manufacturer Part Number: SAM7X256
• Manufacturer: Atmel Corporation

Specifications of SAM7X256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 62
• Ext Interrupts: 62
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 3
• Can: 1
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

33.6
Table 33-2.
Note:
6120I–ATARM–06-Apr-11
Offset
0x00
0x04
0x08
0x0C
0x10
0x14
0x18
0x1C
0x4C - 0xFC
0x100 - 0x1FC
0x200 + ch_num * 0x20 + 0x00
0x200 + ch_num * 0x20 + 0x04
0x200 + ch_num * 0x20 + 0x08
0x200 + ch_num * 0x20 + 0x0C
0x200 + ch_num * 0x20 + 0x10
(1)
Pulse Width Modulation Controller (PWM) User Interface
1. Some registers are indexed with “ch_num” index ranging from 0 to X-1.
Register Mapping
Register
PWM Mode Register
PWM Enable Register
PWM Disable Register
PWM Status Register
PWM Interrupt Enable Register
PWM Interrupt Disable Register
PWM Interrupt Mask Register
PWM Interrupt Status Register
Reserved
Reserved
PWM Channel Mode Register
PWM Channel Duty Cycle Register
PWM Channel Period Register
PWM Channel Counter Register
PWM Channel Update Register
Name
PWM_MR
PWM_ENA
PWM_DIS
PWM_SR
PWM_IER
PWM_IDR
PWM_IMR
PWM_ISR
PWM_CMR
PWM_CDTY
PWM_CPRD
PWM_CCNT
PWM_CUPD
–
SAM7X512/256/128
Read-write
Read-write
Read-write
Read-write
Read-only
Read-only
Read-only
Read-only
Write-only
Write-only
Write-only
Write-only
Write-only
Access
–
Reset
0x0
0x0
0x0
0x0
0
0
0
0
–
-
-
-
-
-
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