ATtiny88 Atmel Corporation, ATtiny88 Datasheet - Page 207
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ATtiny88
Manufacturer Part Number
ATtiny88
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny88
Flash (kbytes)
8 Kbytes
Pin Count
32
Max. Operating Frequency
12 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
28
Ext Interrupts
28
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
64
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
2
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
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Quantity:
20 000
Part Number:
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Manufacturer:
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T
Notes:
8008H–AVR–04/11
A
Symbol
I
I
R
I
LIL
LIH
CC
PU
= -40°C to +85°C, V
1. Typical values at 25
2. “Max” means the highest value where the pin is guaranteed to be read as low.
3. These parameters are not tested in production.
4. “Min” means the lowest value where the pin is guaranteed to be read as high.
5. Although each I/O port can sink more than the test conditions (10 mA at V
6. The RESET pin must tolerate high voltages when entering and operating in programming modes and, as a consequence,
7. High Sink I/O pins are PD0, PD1, PD2 and PD3.
8. Although each I/O port can source more than the test conditions (10 mA at V
9. These are test limits, which account for leakage currents of the test environment. Actual device leakage currents are lower.
10. Values are with external clock using methods described in
11. Measured with Brown-Out Detection (BOD) disabled.
under steady state conditions (non-transient), the following must be observed:
• The sum of all I
• The sum of all I
If I
than the listed test condition.
has a weak drive strength as compared to regular I/O pins. See
ure 23-38
under steady state conditions (non-transient), the following must be observed:
• The sum of all I
• The sum of all I
If II
greater than the listed test condition.
enabled (PRR = 0xFF) and there is no I/O drive.
Parameter
Input Leakage
Current I/O Pin
Input Leakage
Current I/O Pin
Pull-up Resistor, I/O Pin
Pull-up Resistor, Reset Pin
Supply Current,
Active Mode
Supply Current,
Idle Mode
Supply Current,
Power-down Mode
OL
OH
exceeds the test condition, V
exceeds the test condition, V
and
CC
(10)
Figure 23-39
= 1.8V to 5.5V (unless otherwise noted) (Continued)
OL
OL
OH
OH
, for ports A0, A3, B0 – B7, C7, D5 – D7 should not exceed 100 mA.
, for ports A1 – A2, C0 – C6, D0 – D4 should not exceed 100 mA.
, for ports A2 – A3, B0 – B7, C6, D0 – D7 should not exceed 100 mA.
, for ports A0 – A1, C0 – C5, C7 should not exceed 100 mA.
°
(11)
C.
(starting on
Condition
V
(absolute value)
V
(absolute value)
V
V
f = 1MHz, V
f = 4MHz, V
f = 8MHz, V
f = 1MHz, V
f = 4MHz, V
f = 8MHz, V
WDT enabled, V
WDT disabled, V
CC
CC
CC
CC
OL
OH
= 5.5V, pin low
= 5.5V, pin high
= 5.5V, input low
= 5.5V, input low
may exceed the related specification. Pins are not guaranteed to sink current greater
may exceed the related specification. Pins are not guaranteed to source current
page
CC
CC
CC
CC
CC
CC
= 2V
= 3V
= 5V
= 2V
= 3V
= 5V
236).
CC
CC
= 3V
= 3V
“Minimizing Power Consumption” on page
Figure
Min
20
30
23-34,
CC
CC
= 5V, 5 mA at V
Figure
Typ
< 0.05
< 0.05
= 5V, 5mA at V
< 0.2
0.03
0.25
0.2
1.4
4.5
1
4
(1)
23-35,
Figure
CC
CC
= 3V, 2 mA at V
Max
1
1
0.4
2.5
0.1
0.6
= 3V, 2 mA at V
50
60
10
8
2
2
ATtiny48/88
23-36,
(9)
(9)
38. Power reduction is
Figure
CC
Units
23-37,
CC
mA
mA
mA
mA
mA
mA
kΩ
kΩ
µA
µA
µA
µA
= 1.8V)
= 1.8V)
207
Fig-