M55800A Atmel Corporation, M55800A Datasheet - Page 39

• Manufacturer Part Number: M55800A
• Manufacturer: Atmel Corporation

Specifications of M55800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 176
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 58
• Ext Interrupts: 58
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 3
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 72
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• 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

Figure 27. 1 Wait, 16-bit Bus Width, Word Transfer
1354D–ATARM–08/02
·
·
·
READ ACCESS
WRITE ACCESS
Byte Write/
Byte Select Option
Standard Protocol
Early Protocol
Internal Bus
D0 - D15
A1 - A23
D0 - D15
D0 - D15
MCK
NCS
NWE
NUB
NLB
NRD
NRD
1 Wait State
ADDR
B
2
B
1
B
2
B
1
B
2
B
1
X X B
2
B
1
1 Wair State
ADDR+1
AT91X40 Series
B
4
B
B
3
4
B
3
B
4
B
B
3
4
B
3
B
2
B
1
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