Datasheet

Introduction
Intel
®
Atom™ Processor E6xx Series Datasheet
30
1.3.14 Watchdog Timer (WDT)
The Intel
®
Atom™ Processor E6xx Series supports a user configurable watchdog timer.
It contains selectable prescaler approximately 1 µs to 10 min. When the WDT triggers,
GPIO[4] is asserted.
1.3.15 Real Time Clock (RTC)
The Intel
®
Atom™ Processor E6xx Series supports a RTC that provides a battery
backed-up date and time keeping device. The time keeping comes from a 32.768 kHz
oscillating source.
1.3.16 Package
The Intel
®
Atom™ Processor E6xx Series comes in an Flip-Chip Ball Grid Array (FCBGA)
package and consists of a silicon die mounted face down on an organic substrate
populated with 676 solder balls with 0.8 mm ball pitch on the bottom side. The package
dimensions are 22 mm x 22 mm, Z-height is 2.097 mm - 2.35 mm.
1.3.17 Intel
®
Atom™ Processor E6xx Series SKU
§ §
Table 2. Intel
®
Atom™ Processor E6xx Series SKU for Different Segments
SKU E620 E640 E660 E680 E620T E640T E660T E680T
Core Frequency
(GHz)
0.6 1.0 1.3 1.6 0.6 1.0 1.3 1.6
L2 Cache (KB) 512 512 512 512 512 512 512 512
Memory
Frequency (MHz)
800 800 800 800 800 800 800 800
Maximum Memory
Size (GB)
222222 2 2
Gfx. Frequency
(MHz)
320 320 400 400 320 320 400 400
Video Decode
Frequency (MHz)
267 267 267 267 267 267 267 267
Video Encode
Frequency (MHz)
Disabled 267 267 267 Disabled 267 267 267
PCIe* ports 444444 4 4
Intel
®
Hyper-
Threading
Technology
α
Yes Yes Yes Yes Yes Yes Yes Yes
Intel
®
VT-x
δ
×
(requires software
support)
Yes Yes Yes Yes Yes Yes Yes Yes
Commercial
Temperature
(0 to 70 °C)
Yes Yes Yes Yes No No No No
Extended
Temperature
(-40 to 85 °C)
No No No No Yes Yes Yes Yes
TDP (W) 3.3 3.6 3.6 4.5 3.3 3.6 3.6 4.5