AT90PWM81-16SF Atmel, AT90PWM81-16SF Datasheet - Page 257
AT90PWM81-16SF
Manufacturer Part Number
AT90PWM81-16SF
Description
IC MCU AVR 8K FLASH ISP 20SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM81-16MN.pdf
(325 pages)
Specifications of AT90PWM81-16SF
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)
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:
AT90PWM81-16SF
Manufacturer:
Atmel
Quantity:
2 428
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21.7.5
7734P–AVR–08/10
Programming the EEPROM
J. End Page Programming
Figure 21-2.
Note:
Figure 21-3.
Note:
The EEPROM is organized in pages, see
program data is latched into a page buffer. This allows one page of data to be programmed simultane-
ously. The programming algorithm for the EEPROM data memory is as follows (refer to
the Flash” on page 256
1.
2.
3.
RESET +12V
1. Set XA1, XA0 to “10”. This enables command loading.
Set DATA to “0000 0000”. This is the command for No Operation.
Give XTAL1 a positive pulse. This loads the command, and the internal write signals are reset.
PAGEL/BS1
RDY/BSY
XA1/BS2
1. PCPAGE and PCWORD are listed in
XTAL1
1. “XX” is don’t care. The letters refer to the programming description above.
DATA
XA0
WR
OE
PROGRAM MEMORY
Addressing the Flash Which is Organized in Pages
Programming the Flash Waveforms
PROGRAM
COUNTER
PAGE
0x10
A
PAGE ADDRESS
WITHIN THE FLASH
ADDR. LOW
for details on Command, Address and Data loading):
B
PCMSB
DATA LOW
C
PCPAGE
DATA HIGH
D
Table 21-12 on page
XX
E
Table 21-11 on page
PAGEMSB
ADDR. LOW
PCWORD
B
(1)
WORD ADDRESS
WITHIN A PAGE
DATA LOW
C
F
DATA HIGH
INSTRUCTION WORD
254. When programming the EEPROM, the
D
254.
PAGE
(1)
XX
E
ADDR. HIGH
G
AT90PWM81
H
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
XX
“Programming
257
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