ATTINY88-MMU Atmel, ATTINY88-MMU Datasheet - Page 198
ATTINY88-MMU
Manufacturer Part Number
ATTINY88-MMU
Description
MCU AVR 8K FLASH 12MHZ 28-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY88-MMU
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
24
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Processor Series
ATTINY8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
2-Wire, I2S, SPI
Maximum Clock Frequency
12 MHz
Number Of Programmable I/os
24
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATQT600, ATAVRTS2080B
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 6 Channel
For Use With
ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
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Quantity:
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21.2.7
21.2.8
21.2.9
21.2.10
198
ATtiny48/88
Reading the EEPROM
Programming Low Fuse Bits
Programming High Fuse Bits
Programming Extended Fuse Bits
The algorithm for reading the EEPROM memory is as follows (see
page 194
The algorithm for programming the low fuse bits is as follows (see
page 194
The algorithm for programming the high fuse bits is as follows (see
page 194
The algorithm for programming the extended fuse bits is as follows (see
Flash” on page 194
EEPROM programming waveforms are illustrated in
and letters refer to the programming steps described above.
• Set BS1 to “1”. The Flash word high byte can now be read at DATA
• Set OE to “1”
• A: Load command “0000 0011”
• G: Load address high byte (0x00 – 0xFF)
• B: Load address low byte (0x00 – 0xFF)
• 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
• 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 “0” and BS2 to “1”. This selects extended data byte
• Give WR a negative pulse and wait for RDY/BSY to go high
• Set BS2 to “0”. This selects low data byte
for details on command and address loading):
for details on command and data loading):
for details on command and data loading):
for details on command and data loading):
Figure
21-5, where XX means “don’t care”
“Programming the Flash” on
“Programming the Flash” on
“Programming the Flash” on
“Programming the
8008G–AVR–04/11
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