ATtiny861 Automotive Atmel Corporation, ATtiny861 Automotive Datasheet - Page 63
ATtiny861 Automotive
Manufacturer Part Number
ATtiny861 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATTINY261_AUTOMOTIVE.pdf
(11 pages)
3.ATTINY261_AUTOMOTIVE.pdf
(16 pages)
4.ATTINY261_AUTOMOTIVE.pdf
(226 pages)
Specifications of ATtiny861 Automotive
Flash (kbytes)
8 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
16
Ext Interrupts
16
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
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 150
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATTINY261_AUTOMOTIVE PDF datasheet #2
- ATTINY261_AUTOMOTIVE PDF datasheet #3
- ATTINY261_AUTOMOTIVE PDF datasheet #4
- Current page: 63 of 226
- Download datasheet (5Mb)
12.3.1
7753F–AVR–01/11
Alternate Functions of Port B
The Port B pins with alternate function are shown in
Table 12-3.
The alternate pin configuration is as follows:
• Port B, Bit 7 - RESET/ dW/ ADC10/ PCINT15
RESET, Reset pin: When the RSTDISBL Fuse is programmed, this pin functions as a normal I/O
pin, and the part will have to rely on Power-on Reset and Brown-out Reset as its reset sources.
When the RSTDISBL Fuse is unprogrammed, the reset circuitry is connected to the pin, and the
pin can not be used as an I/O pin.
If PB7 is used as a reset pin, DDB7, PORTB7 and PINB7 will all read 0.
dW: When the debugWIRE Enable (DWEN) Fuse is programmed and Lock bits are unpro-
grammed, the RESET port pin is configured as a wire-AND (open-drain) bi-directional I/O pin
with pull-up enabled and becomes the communication gateway between target and emulator.
ADC10: ADC input Channel 10. Note that ADC input channel 10 uses analog power.
PCINT15: Pin Change Interrupt source 15.
• Port B, Bit 6 - ADC9/ T0/ INT0/ PCINT14
ADC9: ADC input Channel 9. Note that ADC input channel 9 uses analog power.
T0: Timer/Counter0 counter source.
INT0: The PB6 pin can serve as an External Interrupt source 0.
PCINT14: Pin Change Interrupt source 14.
• Port B, Bit 5 - XTAL2/ CLKO/ ADC8/ PCINT13
XTAL2: Chip clock Oscillator pin 2. Used as clock pin for crystal Oscillator or Low-frequency
crystal Oscillator. When used as a clock pin, the pin can not be used as an I/O pin.
CLKO: The divided system clock can be output on the PB5 pin, if the CKOUT Fuse is pro-
grammed, regardless of the PORTB5 and DDB5 settings. It will also be output during reset.
OC1D Output Compare Match output: The PB5 pin can serve as an external output for the
Timer/Counter1 Compare Match D when configured as an output (DDA1 set). The OC1D pin is
also the output pin for the PWM mode timer function.
Port Pin
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Port B Pins Alternate Functions
Alternate Function
RESET / dW / ADC10 / PCINT15
ADC9 / T0 / INT0 / PCINT14
XTAL2 / CLKO / OC1D / ADC8 / PCINT13
XTAL1 / CLKI / OC1D / ADC7 / PCINT12
OC1B / PCINT11
SCK / USCK / SCL / OC1B /PCINT10
MISO / DO / OC1A / PCINT9
MOSI / DI / SDA / OC1A / PCINT8
ATtiny261/ATtiny461/ATtiny861
Table
12-3.
63
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