AT91M40800-33AI Atmel, AT91M40800-33AI Datasheet - Page 8

• Manufacturer Part Number: AT91M40800-33AI
• Description: IC ARM7 MCU 100 TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91M40800-33AI

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Clock Waveforms
Table 7. Master Clock Waveform Parameters
Table 8. Clock Propagation Times
Figure 3. Clock Waveform
8
Symbol
1/(t
t
t
t
Symbol
t
t
CP
CH
CL
CDLH
CDHL
CP
MCKO
MCKI
)
AT91M40800 Electrical Characteristics
Parameter
Rising Edge Propagation Time
Falling Edge Propagation Time
Parameter
Oscillator Frequency
Oscillator Period
High Half-period
Low Half-period
t
CDLH
0.7 V
DD
t
CH
0.5 V
DD
t
CDHL
Conditions
C
C
C
C
Conditions
0.3 V
MCKO
MCKO
MCKO
MCKO
DD
t
0.5 V
CL
derating
= 0 pF
derating
= 0 pF
DD
t
CP
21.0
Min
9.1
9.4
0.034
0.042
Min
4.2
4.5
Max
47.7
0.053
0.066
Max
6.6
7.1
1393C–ATARM–19-Nov-04
Units
Units
ns/pF
ns/pF
MHz
ns
ns
ns
ns
ns