AT91M42800A-33AI Atmel, AT91M42800A-33AI Datasheet - Page 7

• Manufacturer Part Number: AT91M42800A-33AI
• Description: IC ARM7 MCU 144 TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91M42800A-33AI

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: WDT
• Number Of I /o: 54
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• For Use With: AT91EB42 - KIT EVAL FOR ARM AT91M42800A
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Table 3-1.
1779ES–ATARM–14-Apr-06
Module
CLOCK
Test and
Reset
JTAG/ICE
Emulation
Power
Name
XIN
XOUT
PLLRCA
PLLRCB
MCKO
NRST
MODE0 - MODE1
TMS
TDI
TDO
TCK
NTRST
NTRI
VDDIO
VDDCORE
VDDPLL
GND
AT91M42800A Pin Description (Continued)
Function
Mode Selection
Tri-state Mode Enable
I/O Power
Core Power
PLL Power
Oscillator Input or External Clock
Oscillator Output
RC Filter for PLL A
RC Filter for PLL B
Clock Output
Hardware Reset Input
Test Mode Select
Test Data In
Test Data Out
Test Clock
Test Reset Input
Ground
Ground
Output
Output
Output
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Active
Level
Low
Low
Low
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Comments
Schmitt trigger
Schmitt trigger, internal pull-up
Schmitt trigger, internal pull-up
Schmitt trigger, internal pull-up
Schmitt trigger, internal pull-up
Sampled during reset
3V or 5V nominal supply
3V nominal supply
3V nominal supply
AT91M42800A
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