ATTINY88-MUR Atmel, ATTINY88-MUR Datasheet - Page 190
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ATTINY88-MUR
Manufacturer Part Number
ATTINY88-MUR
Description
MCU AVR 8KB FLASH 12MHZ 32QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY48-MU.pdf
(302 pages)
Specifications of ATTINY88-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
28
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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY88-MUR
Manufacturer:
AT
Quantity:
20 000
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20.2.1
20.3
20.4
190
Signature Bytes
Calibration Byte
ATtiny48/88
Latching of Fuses
Table 20-5.
Note:
The status of the Fuse bits is not affected by Chip Erase. Note that the Fuse bits are locked if
Lock bit1 (LB1) is programmed. Program the Fuse bits before programming the Lock bits.
The fuse values are latched when the device enters programming mode and changes of the
fuse values will have no effect until the part leaves Programming mode. This does not apply to
the EESAVE Fuse which will take effect once it is programmed. The fuses are also latched on
Power-up in Normal mode.
All Atmel microcontrollers have a three-byte signature code which identifies the device. This
code can be read in both serial and parallel mode, also when the device is locked. The three
bytes reside in a separate address space. For the ATtiny48/88 the signature bytes are given in
Table
Table 20-6.
The ATtiny48/88 has a byte calibration value for the internal oscillator. This byte resides in the
high byte of address 0x000 in the signature address space. During reset, this byte is automati-
cally written into the OSCCAL Register to ensure correct frequency of the calibrated oscillator.
Fuse Low Byte
CKDIV8
CKOUT
SUT1
SUT0
-
-
CKSEL1
CKSEL0
Part
ATtiny48
ATtiny88
20-6.
1. The default value of SUT[1:0] results in maximum start-up time for the default clock source.
2. The default setting of CKSEL[1:0] results in internal oscillator @ 8 MHz. See
3. The CKOUT Fuse allows the system clock to be output on PORTB0. See
4. See
(3)
(4)
See
page 29
on page 32
Fuse Low Byte
Device ID
Table 6-3 on page 31
“System Clock Prescaler” on page 31
for details.
for details.
Bit No
7
6
5
4
3
2
1
0
for details.
Signature Bytes Address
0x000
0x1E
0x1E
Description
Divide clock by 8
Clock output
Select start-up time
Select start-up time
-
-
Select Clock source
Select Clock source
for details.
0x001
0x92
0x93
Default Value
0 (programmed)
1 (unprogrammed)
1 (unprogrammed)
0 (programmed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
0 (programmed)
“Clock Output Buffer”
0x002
0x09
0x11
Table 6-1 on
8008G–AVR–04/11
(1)
(2)
(1)
(2)
(2)
(2)
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