AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 13

• Manufacturer Part Number: AT91SAM7A1-AU
• Description: IC ARM7 MCU 32BIT ROMLESS144LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7A1-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 40MHz
• Connectivity: CAN, EBI/EMI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 49
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• For Use With: AT91SAM7A1-EK - BOARD EVAL FOR AT91SAM7A1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

5.4.1
6048B–ATARM–29-Jun-06
Propagation Delay
The propagation delay time shown in
seconds from the 50% point of the input to the 50% point of the output.
Figure 5-1.
low to high transition
low to high transition
low to high transition
high to low transition
high to low transition
high to low transition
Propagation Delay
Input Slope
Input Slope
Line Slope
Line Slope
Pad Slope
Pad Slope
Input Slope
1 ns
Output Buffer
50%
Table 5-3, “Pad Types,” on page
50%
TPDHL
TPDLH
Pad
50%
Capacitance
DTPDLHxC
DTPDHLxC
Line
(c)
GND
AT91SAM7A1
12, is the time in nano-
50%
50%
13