AT90PWM81-16SN Atmel, AT90PWM81-16SN Datasheet - Page 259
AT90PWM81-16SN
Manufacturer Part Number
AT90PWM81-16SN
Description
IC MCU AVR 8K FLASH ISP 20SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM81-16MN.pdf
(325 pages)
Specifications of AT90PWM81-16SN
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, PWM, WDT
Number Of I /o
16
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
20-SOIC (7.5mm Width)
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI
Maximum Clock Frequency
16 MHz
Number Of Timers
1
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
On-chip Dac
10 bit, 1 Channel
Height
2.35 mm
Length
13 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Width
7.6 mm
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90PWM81-16SN
Manufacturer:
Atmel
Quantity:
1 500
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21.7.8
21.7.9
21.7.10
7734P–AVR–08/10
Programming the Fuse Low Bits
Programming the Fuse High Bits
Programming the Extended Fuse Bits
The algorithm for programming the Fuse Low bits is as follows (refer to
page 256
The algorithm for programming the Fuse High bits is as follows (refer to
page 256
The algorithm for programming the Extended Fuse bits is as follows (refer to
page 256
Figure 21-5.
4.
5.
1.
2.
3.
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
RESET +12V
Set OE to “0”, and BS1 to “0”. The EEPROM Data byte can now be read at DATA.
Set OE to “1”.
A: Load Command “0100 0000”.
C: Load Data Low Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
Give WR a negative pulse and wait for RDY/BSY to go high.
A: Load Command “0100 0000”.
C: Load Data Low Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
Set BS1 to “1” and BS2 to “0”. This selects high data byte.
Give WR a negative pulse and wait for RDY/BSY to go high.
Set BS1 to “0”. This selects low data byte.
1. A: Load Command “0100 0000”.
2. C: Load Data Low Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
3. Set BS1 to “0” and BS2 to “1”. This selects extended data byte.
4. Give WR a negative pulse and wait for RDY/BSY to go high.
5. Set BS2 to “0”. This selects low data byte.
PAGEL/BS1
RDY/BSY
XA1/BS2
for details on Command and Data loading):
for details on Command and Data loading):
for details on Command and Data loading):
XTAL1
DATA
XA0
WR
OE
Programming the FUSES Waveforms
0x40
A
DATA
C
Write Fuse Low byte
XX
0x40
A
DATA
C
Write Fuse high byte
XX
0x40
A
“Programming the Flash” on
“Programming the Flash” on
“Programming the Flash” on
AT90PWM81
DATA
C
Write Extended Fuse byte
XX
259
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