ATAVRDISPLAYX Atmel, ATAVRDISPLAYX Datasheet - Page 179
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
ATAVRDISPLAYX
Manufacturer Part Number
ATAVRDISPLAYX
Description
KIT EVAL XMEGA DISPLAY
Manufacturer
Atmel
Specifications of ATAVRDISPLAYX
Main Purpose
*
Embedded
*
Utilized Ic / Part
*
Primary Attributes
*
Secondary Attributes
*
Silicon Manufacturer
Atmel
Silicon Family Name
ATxmega
Kit Contents
Board
Features
Temperature Sensor, Mono Speaker Via Audio Amplifier
Svhc
No SVHC (15-Dec-2010)
Core Architecture
AVR
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATAVRDISPLAYX
Manufacturer:
Atmel
Quantity:
135
- Current page: 179 of 445
- Download datasheet (6Mb)
15.4
8077H–AVR–12/09
Dead Time Insertion
The Dead Time Insertion (DTI) unit enables generation of “off” time where both the non-inverted
Low Side (LS) and inverted High Side (HS) of the WG output is low. This “off” time is called
dead-time, and dead-time insertion ensure that the LS and HS does not switch simultaneously.
The DTI unit consists of four equal dead time generators, one for each of the capture or com-
pare channel in Timer/Counter 0.
time generator. The dead time registers that define the number of peripheral clock cycles the
dead time is going to last, are common for all four channels. The High Side and Low Side can
have independent dead time setting and the dead time registers are double buffered.
Figure 15-3. Dead Time Generator block diagram
As shown in
one for each peripheral clock cycle until it reaches zero. A non-zero counter value will force both
the Low Side and High Side outputs into their “off” state. When a change is detected on the WG
output, the Dead Time Counter is reloaded with the DTx register value according to the edge of
the input. Positive edge initiates a counter reload of the DTLS Register and a negative edge a
reload of DTHS Register.
WG output
Dead Time Generator
Figure 15-4 on page
D
Q
Edge Detect
V
Figure 15-3 on page 179
180, the 8-bit Dead Time Counter (dti_cnt) is decremented by
DTLSBUF
DTILS
LOAD
E
V
shows the block diagram of one dead
Counter ("dti_cnt")
DTHSBUF
= 0
DTIHS
XMEGA A
"dtls"
(To PORT)
"dths"
(To PORT)
179
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