AT91M42800A-33AU Atmel, AT91M42800A-33AU Datasheet - Page 23

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

Specifications of AT91M42800A-33AU

• 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: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Processor Series: AT91Mx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 8 KB
• Interface Type: EBI, SPI, USART
• Maximum Clock Frequency: 33 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 10 bit
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91EB42
• Minimum Operating Temperature: - 40 C
• For Use With: AT91EB42 - KIT EVAL FOR ARM AT91M42800A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

10. Soldering Profile
10.1
10.2
1779ES–ATARM–14-Apr-06
LQFP Soldering Profile (Green)
BGA Soldering Profile (RoHS-compliant)
Table 10-1
Table 10-1.
Note:
A maximum of three reflow passes is allowed per component.
Table 10-2
Table 10-2.
Note:
A maximum of three reflow passes is allowed per component.
Profile Feature
Average Ramp-up Rate (217°C to Peak)
Preheat Temperature 175°C ±25°C
Temperature Maintained Above 217°C
Time within 5 C of Actual Peak Temperature
Peak Temperature Range
Ramp-down Rate
Time 25 C to Peak Temperature
Profile Feature
Average Ramp-up Rate (183 C to Peak)
Preheat Temperature 125 C ±25 C
Temperature Maintained Above 183 C
Time within 5 C of Actual Peak Temperature
Peak Temperature Range
Ramp-down Rate
Time 25 C to Peak Temperature
The package is certified to be backward compatible with Pb/Sn soldering profile.
It is recomended to apply a soldering temperature higher than 250°C.
gives the recommended soldering profile from J-STD-020C.
gives the recommended soldering profile from J-STD-20C.
Soldering Profile Green Compliant Package
Soldering Profile RoHS Compliant Package
Green Package
3 C/sec. max.
180 sec. max.
60 sec. to 150 sec.
20 sec. to 40 sec.
260 C
6 C/sec. max.
8 min. max.
3 C/sec. max.
180 sec. max
60 sec. to 150 sec.
20 sec. to 40 sec.
260 C
6 C/sec.
8 min. max
Convection or IR/Convection
AT91M42800A
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