ATtiny87 Atmel Corporation, ATtiny87 Datasheet - Page 85
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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
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8265B–AVR–09/10
Table 9-8.
DIEOE
DIEOV
Signal
PUOE
PUOV
DDOE
DDOV
Name
PVOE
PVOV
PTOE
AIO
DI
OC1B_ENABLE
PB3/PCINT11/
PCMSK11
PCINT11
PCIE1 &
OC1BV
OC1BV
OC1B
Overriding Signals for Alternate Functions in PB[3:0]
&
0
0
0
0
0
1
0
USI_PTOE & USIPOS
(USISIE & USIPOS) |
(USISIE & USIPOS) |
PCINT10 -/- USCK -/-
(PCIE1 & PCMSK10)
(PCIE1 & PCMSK10)
OC1AV/USCK/SCL
(OC1A_ENABLE &
(USI_SCL_HOLD |
{ (USI_2_WIRE &
(USI_2_WIRE &
(USI_2_WIRE &
PB2/PCINT10/
(0) : (OC1A) }
USIPOS &
USIPOS &
DDRB2) ?
PORTB2)
& DDRB2
DDRB2) |
USIPOS)
OC1AV)
SCL
0
0
0
(OC1B_ENABLE &
(USI_SHIFTOUT) :
PCIE1 & PCMSK9
{ (USI_2_WIRE &
(USI_2_WIRE &
USI_3_WIRE &
USI_3_WIRE &
PB1/PCINT9/
OC1BU/DO
USIPOS) ?
USIPOS) |
(OC1B) }
OC1BU)
PCINT9
0
0
0
0
0
1
0
(USISIE & USIPOS) |
(USISIE & USIPOS) |
PCINT8 -/- DI -/- SDA
PORTB0) & DDRB0)
(PCIE1 & PCMSK8)
(PCIE1 & PCMSK8)
(OC1A_ENABLE &
(USI_SHIFTOUT |
{ (USI_2_WIRE &
(USI_2_WIRE &
(USI_2_WIRE &
OC1AU/DI/SDA
PB0/IPCINT8/
(0) : (OC1A) }
USIPOS &
USIPOS &
DDRB0) ?
DDRB0) |
USIPOS)
OC1AU)
0
0
0
0
85
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