M55800A Atmel Corporation, M55800A Datasheet - Page 11

• 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

Clock Waveforms
Table 10. Master Clock Waveform Parameters
Table 11. Clock Propagation Times
Note:
Figure 4. Clock Waveform
1727E–ATARM–01/04
Symbol
1/(t
t
t
t
Symbol
t
t
CPMCK
CHMCK
CLMCK
CDLH
CDHL
CPMCK
(1)
(1)
MCKO
MCK
1. Applicable only when MCKO outputs Master Clock.
)
Parameter
Master Clock Frequency
Master Clock Period
Master Clock High Half-period
Master Clock Low Half-period
Parameter
MCK Rising to MCKO Rising Edge
MCK Falling to MCKO Falling Edge
t
CDLH
t
0.5 V
CHMCK
DDIO
t
CDHL
Conditions
C
C
C
C
Conditions
t
CLMCK
MCKO
MCKO
MCKO
MCKO
0.5 V
= 0 pF
derating
= 0 pF
derating
DDIO
t
CPMCK
0.45 x t
0.45 x t
23.9
Min
0.053
0.059
Min
7.5
7.7
CPMCK
CPMCK
AT91M55800A
0.55 x t
0.55 x t
0.083
0.092
Max
41.8
Max
11.7
12.1
CPMCK
CPMCK
Units
Units
ns/pF
ns/pF
MHz
ns
ns
ns
ns
ns
11