ATTINY261A-SU Atmel, ATTINY261A-SU Datasheet - Page 114
ATTINY261A-SU
Manufacturer Part Number
ATTINY261A-SU
Description
IC, MCU, 8BIT, 2K FLASH, 20SOIC
Manufacturer
Atmel
Datasheet
1.ATTINY461A-MU.pdf
(292 pages)
Specifications of ATTINY261A-SU
Controller Family/series
ATtiny
No. Of I/o's
16
Eeprom Memory Size
128Byte
Ram Memory Size
128Byte
Cpu Speed
20MHz
No.
RoHS Compliant
Core Size
8bit
Program Memory Size
2KB
Oscillator Type
External, Internal
Rohs Compliant
Yes
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ATtiny261A/461A/861A
The dedicated Dead Time prescaler in front of the Dead Time Generator can divide the
Timer/Counter1 clock (PCK or CK) by 1, 2, 4 or 8 providing a large range of dead times that can
be generated. The Dead Time prescaler is controlled by two bits DTPS11 and DTPS10 from the
Dead Time Prescaler register. These bits define the division factor of the Dead Time prescaler.
The division factors are given in
Table 12-16. Division factors of the Dead Time prescaler
• Bits 3 : 0 - CS13, CS12, CS11, CS10: Clock Select Bits 3, 2, 1, and 0
The Clock Select bits 3, 2, 1, and 0 define the prescaling source of Timer/Counter1.
Table 12-17. Timer/Counter1 Prescaler Select
The Stop condition provides a Timer Enable/Disable function.
CS13
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
DTPS11
0
0
1
1
CS12
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
CS11
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
DTPS10
0
1
0
1
CS10
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Table
Asynchronous Clocking Mode
T/C1 stopped
PCK
PCK/2
PCK/4
PCK/8
PCK/16
PCK/32
PCK/64
PCK/128
PCK/256
PCK/512
PCK/1024
PCK/2048
PCK/4096
PCK/8192
PCK/16384
Prescaler divides the T/C1 clock by
1x (no division)
2x
4x
8x
12-16.
Synchronous Clocking Mode
T/C1 stopped
CK
CK/2
CK/4
CK/8
CK/16
CK/32
CK/64
CK/128
CK/256
CK/512
CK/1024
CK/2048
CK/4096
CK/8192
CK/16384
8197B–AVR–01/10
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