TINY88-15MZ Atmel, TINY88-15MZ Datasheet - Page 30
TINY88-15MZ
Manufacturer Part Number
TINY88-15MZ
Description
MCU AVR 8KB FLASH 12MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.TINY88-15MZ.pdf
(246 pages)
Specifications of TINY88-15MZ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
28
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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6.5
30
External Clock
ATtiny88 Automotive
To drive the device from an external clock source, CLKI should be driven as shown in
on page
“00” (see
Table 6-7.
Figure 6-2.
When this clock source is selected, start-up times are determined by the SUT Fuses as shown in
Table
Table 6-8.
When applying an external clock, it is required to avoid sudden changes in the applied clock fre-
quency to ensure stable operation of the MCU. A variation in frequency of more than 2% from
one clock cycle to the next can lead to unpredictable behavior. If changes of more than 2% is
required, ensure that the MCU is kept in Reset during the changes.
Note that the System Clock Prescaler can be used to implement run-time changes of the internal
clock frequency while still ensuring stable operation. Refer to
31
for details.
SUT1..0
CKSEL1..0
00
01
10
11
6-8.
30. To run the device on an external clock, the CKSEL Fuses must be programmed to
00
Table
Selecting External Clock
External Clock Drive Configuration
Start-up Times for the External Clock Selection
Power Conditions
BOD enabled
Fast rising power
Slowly rising power
6-7).
EXTERNAL
SIGNAL
CLOCK
from Power-down
Start-up Time
Reserved
6 CK
6 CK
6 CK
0
Frequency
CLKI
GND
–
16 MHz
“System Clock Prescaler” on page
from Reset (V
Additional Delay
14CK + 64 ms
14CK + 4 ms
14CK
9157B–AVR–01/10
CC
Figure 6-2
= 5.0V)
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