SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 551

• Manufacturer Part Number: SAM7SE256
• Manufacturer: Atmel Corporation

Specifications of SAM7SE256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 48 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 88
• Ext Interrupts: 88
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Ssc: 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): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 3.0 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: No

37.6.9
Name:
Access:
• CPRE: Channel Pre-scaler
• CALG: Channel Alignment
0 = The period is left aligned.
1 = The period is center aligned.
• CPOL: Channel Polarity
0 = The output waveform starts at a low level.
1 = The output waveform starts at a high level.
• CPD: Channel Update Period
0 = Writing to the PWM_CUPDx will modify the duty cycle at the next period start event.
1 = Writing to the PWM_CUPDx will modify the period at the next period start event.
6222F–ATARM–14-Jan-11
0
0
0
0
0
0
0
0
1
1
1
1
1
31
23
15
–
–
–
7
–
PWM Channel Mode Register
0
0
0
0
1
1
1
1
0
0
0
0
1
30
22
14
–
–
–
6
–
PWM_CMRx
Read/Write
CPRE
Other
0
0
1
1
0
0
1
1
0
0
1
1
0
29
21
13
–
–
–
5
–
0
1
0
1
0
1
0
1
0
1
0
1
0
28
20
12
–
–
–
4
–
MCK
MCK/2
MCK/4
MCK/8
MCK/16
MCK/32
MCK/64
MCK/128
MCK/256
MCK/512
MCK/1024
CLKA
CLKB
Reserved
27
19
11
–
–
–
3
Channel Pre-scaler
CPD
26
18
10
–
–
2
SAM7SE512/256/32
CPRE
CPOL
25
17
–
–
9
1
CALG
24
16
–
–
8
0
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