TINY88-15MZ Atmel, TINY88-15MZ Datasheet - Page 210

• Manufacturer Part Number: TINY88-15MZ
• Description: MCU AVR 8KB FLASH 12MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

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

21.3
21.4
21.4.1
Table 21-1.
21.4.2
Table 21-2.
210
Calibration
Method
Factory Calibration
Symbol
Fwdt
Speed Grades
Clock Characterizations
ATtiny88 Automotive
Calibrated Internal Oscillator Accuracy
Watchdog Oscillator Accuracy
Calibration Accuracy of Internal Oscillator
Accuracy of Watchdog Oscillator
Parameter
Watchdog oscillator frequency
Maximum frequency is dependent on V
Figure 21-1. , Maximum Frequency vs. V
It is possible to manually calibrate the internal oscillator to be more accurate than default factory
calibration. Please note that the oscillator frequency depends on temperature and voltage.
Notes:
Target Frequency
16MHz
8.0 MHz
8MHz
1. Accuracy of oscillator frequency at calibration point (fixed temperature and fixed voltage).
2.7V
2.7V
V
3V
Vcc = 2.7 - 5.5v
–
CC
Condition
5.5V
Safe Operating
Safe Operating
CC.
as shown below
Area
Area
CC
4.5V
-40 C
Temperature
25 C
Min
–
76
125 C
5.5V
Typ.
128
Voltage & Temperature
Accuracy at given
Max
180
±14%
±2%
9157B–AVR–01/10
Units
kHz
(1)