M42800A Atmel Corporation, M42800A Datasheet - Page 71

• 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

Chapter 3
Memory Interface
ARM DDI 0029G
This chapter describes the ARM7TDMI processor memory interface. It contains the
following sections:
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•
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About the memory interface on page 3-2
Bus interface signals on page 3-3
Bus cycle types on page 3-4
Addressing signals on page 3-11
Address timing on page 3-14
Data timed signals on page 3-17
Stretching access times on page 3-29
Action of ARM7TDMI core in debug state on page 3-31
Privileged mode access on page 3-32
Reset sequence after power up on page 3-33.
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