ATtiny87 Atmel Corporation, ATtiny87 Datasheet - Page 196
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ATtiny87
Manufacturer Part Number
ATtiny87
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny87
Flash (kbytes)
8 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
16
Ext Interrupts
16
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Lin
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
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)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
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
3
Input Capture Channels
1
Pwm Channels
9
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATtiny87-A15MZ
Manufacturer:
Atmel
Quantity:
12 127
Company:
Part Number:
ATtiny87-A15SZ
Manufacturer:
Atmel
Quantity:
3 722
Company:
Part Number:
ATtiny87-A15XZ
Manufacturer:
Atmel
Quantity:
8 895
Part Number:
ATtiny87-SU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
ATtiny87-SUR
Manufacturer:
Atmel
Quantity:
323
Company:
Part Number:
ATtiny87-XUR
Manufacturer:
ATMEL
Quantity:
8 272
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ATtiny87/ATtiny167
ycle Number
DC Clock
DEN
DSC
DIF
DCH
DCL
ycle Number
DC Clock
DSC
DIF
DCH
DCL
ycle Number
DC Clock
ource
DATE
DIF
DCH
DCL
Figure 17-4. ADC Timing Diagram, First Conversion (Single Conversion Mode)
Figure 17-5. ADC Timing Diagram, Single Conversion
Figure 17-6. ADC Timing Diagram, Auto Triggered Conversion
igger
Prescaler
Reset
1
1
MUX and REFS
Update
2
1
MUX and REFS
Update
2
MUX and REFS
Update
3
2
Sample & Hold
4
3
12
Sample &
Hold
5
4
13
6
5
14
7
6
One Conversion
15
8
7
One Conversion
Sample & Hold
16
9
8
First Conversion
17
10
Conversion
9
Complete
18
11
10
Conversion
Complete
12
11
19
13
12
20
13
Sign and MSB of Result
21
LSB of Result
Next Conversion
1
Sign and MSB of Result
22
Conversion
Complete
LSB of Result
2
MUX and REFS
Update
Next Conversion
23
3
1
Prescaler
Reset
24
2
25
Sign and MSB of Result
8265B–AVR–09/10
Next
Conversion
1
LSB of Result
2
and REFS
Update
MUX
3
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