ATtiny861 Automotive Atmel Corporation, ATtiny861 Automotive Datasheet - Page 38
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: 38 of 226
- Download datasheet (5Mb)
8.8
8.8.1
8.8.2
38
Register Description
ATtiny261/ATtiny461/ATtiny861
MCUCR – MCU Control Register
PRR – Power Reduction Register
For analog input pins, the digital input buffer should be disabled at all times. An analog signal
level close to V
input buffers can be disabled by writing to the Digital Input Disable Registers (DIDR0, DIDR1).
Refer to
able Register 1” on page 163
The MCU Control Register contains control bits for power management.
• Bit 5 – SE: Sleep Enable
The SE bit must be written to logic one to make the MCU enter the sleep mode when the SLEEP
instruction is executed. To avoid the MCU entering the sleep mode unless it is the programmer’s
purpose, it is recommended to write the Sleep Enable (SE) bit to one just before the execution of
the SLEEP instruction and to clear it immediately after waking up.
• Bits 4, 3 – SM1:0: Sleep Mode Select Bits 2..0
These bits select between the three available sleep modes as shown in
Table 8-2.
• Bit 2 – Res: Reserved Bit
This bit is a reserved ed bit in the ATtiny261/461/861 and will always read as zero.
• Bits 7, 6, 5, 4- Res: Reserved Bits
These bits are reserved bits in the ATtiny261/461/861 and will always read as zero.
Bit
0x35 (0x55)
Read/Write
Initial Value
Bit
0x36 (0x56)
Read/Write
Initial Value
SM1
0
0
1
1
“DIDR0 – Digital Input Disable Register 0” on page 163
7
–
R
0
Sleep Mode Select
7
–
0
R
CC
/2 on an input pin can cause significant current even in active mode. Digital
6
PUD
R/W
0
6
-
R
0
SM0
0
1
0
1
for details.
R/W
5
-
0
5
SE
0
R
Sleep Mode
Idle
ADC Noise Reduction
Power-down
Standby
4
SM1
R/W
0
4
-
R
0
3
PRTIM1
R/W
0
3
SM0
R/W
0
2
—
R
0
2
PRTIM0
R/W
0
or
“DIDR1 – Digital Input Dis-
1
ISC01
R/W
0
1
PRUSI
R/W
0
Table
0
ISC00
R/W
0
8-2.
0
PRADC
R/W
0
7753F–AVR–01/11
MCUCR
PRR
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