M55800A Atmel Corporation, M55800A Datasheet - Page 20

• 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

Table 28. EBI Read and Write Control Signals. Capacitance Limitation
Notes:
20
Symbol
T
T
CPLNRD
CPLNWR
1. If this condition is not met, the action depends on the read protocol intended for use.
2. Applicable only for chip select programmed with 0 wait state. If this condition is not met, at least one wait state must be
(1)
(2)
AT91M55800A
• Early Read Protocol: Programing an additional t
• Standard Read Protocol: Programming an additional t
programmed.
Parameter
Master Clock Low Due to NRD Capacitance
Master CLock Low Due to NWR Capacitance
DF
(Data Float Output Time) cycle.
Conditions
C
C
C
C
DF
NRD
NRD
NWR
NWR
Cycle and an additional wait state.
= 0 pF
derating
= 0 pF
derating
0.083
0.083
11.2
10.3
Min
Max
1727E–ATARM–01/04
Units
ns/pF
ns/pF
ns
ns