AT90PWM3B-16MU Atmel, AT90PWM3B-16MU Datasheet - Page 142
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AT90PWM3B-16MU
Manufacturer Part Number
AT90PWM3B-16MU
Description
IC MCU AVR RISC 8K FLASH 32-QFN
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM3B-16SU.pdf
(361 pages)
Specifications of AT90PWM3B-16MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
27
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-QFN
Package
32QFN EP
Device Core
AVR
Family Name
90P
Maximum Speed
16 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
27
Interface Type
SPI/USART
On-chip Adc
11-chx10-bit
Number Of Timers
2
Processor Series
AT90PWMx
Core
AVR8
Data Ram Size
512 B
Maximum Clock Frequency
16 MHz
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRFBKIT, ATAVRISP2
Minimum Operating Temperature
- 40 C
On-chip Dac
10 bit, 1 Channel
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRMC200 - KIT EVAL FOR AT90PWM3 ASYNCATAVRFBKIT - KIT DEMO BALLAST FOR AT90PWM2ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK520 - ADAPTER KIT FOR 90PWM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM3B-16MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT90PWM3B-16MUR
Manufacturer:
TI
Quantity:
1 829
- Current page: 142 of 361
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16.7.2
16.7.2.1
16.7.2.2
142
PSCOUTn1
PSCOUTn0
Period
AT90PWM2/3/2B/3B
Modes of Operation
DT0
Normal Mode
Enhanced Mode
OT0
The simplest mode of operation is the normal mode. See
The active time of PSCOUTn0 is given by the OT0 value. The active time of PSCOUTn1 is given
by the OT1 value. Both of them are 12 bit values. Thanks to DT0 & DT1 to ajust the dead time
between PSCOUTn0 and PSCOUTn1 active signals.
The waveform frequency is defined by the following equation:
The Enhanced Mode uses the previously described method to generate a high resolution
frequency.
Figure 16-13. Enhanced Mode, Timing Diagram
The supplementary step in counting to generate f
in the frame according to the fractional divider.
lated frame,” on page
The waveform frequency is defined by the following equations:
d is the fractionel divider factor.
T1
DT1
f
PSCn
=
141.
f2
OT1
----------------------------- -
PSCnCycle
f1
PSCn
PSCn
f
AVERAGE
1
=
=
----- -
T
1
DT0
2
----- -
T
1
1
=
=
=
=
------------------------------------------------------------------------------- -
(
----------------------------------------------------------------------
(
----- -
16
OT0
d
OT0
----------------------------------------------------------------------
(
OT0
×
f1
+
+
PSCn
+
OT1
OT1
f
SeeTable 16-5, “Distribution of fb2 in the modu-
OT0
CLK_PSCn
OT1
f
f
b2
CLK_PSCn
CLK_PSCn
+
+
is added on the PSCn0 signal while needed
+
16 d
-------------- -
+
DT0
16
DT0
–
DT0
T2
Figure
×
+
+
f2
+
DT1
DT1
DT1
PSCn
DT1
16-6.
)
+
)
1
=
)
OT1+1
=
1
4317J–AVR–08/10
DT0
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