M42800A Atmel Corporation, M42800A Datasheet - Page 67

• Manufacturer Part Number: M42800A
• Manufacturer: Atmel Corporation

Specifications of M42800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 54
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3/5.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

AT91M42800A
• CSS: Clock Source Selection
0 = The clock source is the Slow Clock.
1 = The clock source is the output of the PLL.
• MUL: Phase Lock Loop Factor
0 = The PLL is disabled, reducing at the minimum its power consumption.
1 up to 2047 = The PLL output is at frequency (MUL+1) x Slow Clock frequency when the LOCK bit is set.
• PLLCOUNT: PLL Lock Counter
Specifies the number of 32,768 Hz clock cycles for the PLL lock timer to count before the PLL is locked, after the PLL is
started.
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1779D–ATARM–14-Apr-06