AT91R40807-33AI Atmel, AT91R40807-33AI Datasheet - Page 17

• Manufacturer Part Number: AT91R40807-33AI
• Description: IC ARM7 MCU 176 TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91R40807-33AI

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 136K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Advanced Interrupt
Controller Signals
Parallel I/O Signals
1367C–01/02
Inputs must meet the minimum pulse width and mimimum input period shown in Table 19 and
Table 20 and represented in Figure 9.
Table 19. AIC Input Minimum Pulse Width
Table 20. AIC Input Minimum Period
Figure 9. AIC Signals
The inputs must meet the minimum pulse width shown in Table 21 and as represented in Fig-
ure 10.
Table 21. PIO Input Minimum Pulse Width
Figure 10. PIO Signal
Symbol
AIC
Symbol
AIC
Symbol
PIO
FIQ/IRQ0/IRQ1/IRQ2/IRQ3
1
2
1
Inputs
PIO
Parameter
AIC Minimum Input Period
Parameter
PIO Input Minimum Pulse Width
Parameter
FIQ/IRQ0/IRQ1/IRQ2/IRQ3 Minimum
Pulse Width
MCKI
Input
PIO
1
AIC
1
Min Input Period
Min Pulse Width
Min Pulse Width
AIC
3(t
5(t
3(t
2
CP
CP
CP
/2)
/2)
/2)
AT91R40807
Units
Unit
Unit
ns
ns
ns
17