AT91M40800-33AI Atmel, AT91M40800-33AI Datasheet - Page 10

• 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: -

AC Characteristics
EBI Signals Relative to MCKI
The following tables show timings relative to operating condition limits defined in the section “Timing Results” on page 6.
See Figure 5 on page 14.
Table 10. General-purpose EBI Signals
10
Symbol
EBI
EBI
EBI
EBI
EBI
EBI
1
2
3
4
5
6
AT91M40800 Electrical Characteristics
Parameter
MCKI Falling to NUB Valid
MCKI Falling to NLB/A0 Valid
MCKI Falling to A1 - A23 Valid
MCKI Falling to Chip Select
Change
NWAIT Setup before MCKI Rising
NWAIT Hold after MCKI Rising
Conditions
C
C
C
C
C
C
C
C
NUB
NUB
NLB
NLB
ADD
ADD
NCS
NCS
= 0 pF
derating
derating
= 0 pF
derating
= 0 pF
= derating
= 0 pF
0.034
0.038
0.038
0.038
Min
5.4
4.3
4.2
4.6
0.6
3.2
0.066
0.062
0.066
0.057
Max
11.7
10.0
10.4
8.7
1393C–ATARM–19-Nov-04
Units
ns/pF
ns/pF
ns/pF
ns/pF
ns
ns
ns
ns
ns
ns