AT91M40800-33AI Atmel, AT91M40800-33AI Datasheet - Page 6

• 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: -

Conditions
Timing Results
Temperature Derating
Factor
6
AT91M40800 Electrical Characteristics
The delays are given as typical values in the following conditions:
•
•
•
•
•
The minimum and maximum values given in the AC characteristics tables of this
datasheet take into account the process variation and the design.
In order to obtain the timing for other conditions, the following equation should be used:
Where:
•
•
•
•
•
The input delays are given as typical values.
The input delays are given as typical value.
Note:
Figure 1. Derating Curve for Different Operating Temperatures
V
Ambient Temperature = 25 C
Load Capacitance = 0 pF
The output level change detection is 0.5 x V
The input level is 0.3 x V
detection.
t
capacitance of 0 pF.
C
output pins given in Min and Max values in this datasheet.
t
DATASHEET
T
VDD
CSIGNAL
DD
SIGNAL
=
is the derating factor in temperature given in Figure 1.
1. The user must take into account the package capacitance load contribution (C
= 3.3V
is the derating factor for the Power Supply given in Figure 2.
T
-60
described in Table 1 on page 2.
is the capacitance load on the considered output pin.
is the load derating factor depending on the capacitance load on the related
is the minimum or maximum timing value given in this datasheet for a load
VDD
-40
-20
t
DATASHEET
1.3
1.2
1.1
0.9
0.8
1
DD
0
Operating Temperature (˚C)
for a low-level detection and is 0.7 x V
20
+
C
40
SIGNAL
60
DD
80
CSIGNAL
Derating Factor for
Typ Case is 1
100
(1)
120
1393C–ATARM–19-Nov-04
DD
140
for a high level
160
IN
)