M55800A Atmel Corporation, M55800A Datasheet - Page 25

• Manufacturer Part Number: M55800A
• Manufacturer: Atmel Corporation

Specifications of M55800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 176
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 58
• Ext Interrupts: 58
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 3
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 72
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3/5.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

10. Soldering Profile
10.1
10.2
1745FS–ATARM–18-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 recommended 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
AT91M55800A Summary
Green Package
3 C/sec. max.
180 sec. max.
60 sec. to 150 sec.
20 sec. to 40 sec.
260 +0 C
6 C/sec. max.
8 min. max.
Convection or IR/Convection
3 C/sec. max.
180 sec. max
60 sec. to 150 sec.
20 sec. to 40 sec.
260 + 0 C
6 C/sec.
8 min. max
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