AT91M40800-33AI Atmel, AT91M40800-33AI Datasheet - Page 17

• 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: -

Reset Signals
1393C–ATARM–19-Nov-04
A minimum pulse width is necessary, as shown in Table 18 and as represented in Fig-
ure 8.
Table 18. Reset Minimum Pulse Width
Figure 8. Reset Signal
O n ly the N RST risin g e dg e is syn ch ron ize d w ith MC KI. The fa lling e dg e is
asynchronous.
NRST
Symbol
RST
1
AT91M40800 Electrical Characteristics
Parameter
NRST Minimum Pulse Width
RST
1
Min Pulse-width
10(t
CP
)
Units
ns
17