ATTINY25-20PU Atmel, ATTINY25-20PU Datasheet - Page 110
![IC AVR MCU 2K 20MHZ 8-DIP](/photos/6/50/65033/313-8-dip_sml.jpg)
ATTINY25-20PU
Manufacturer Part Number
ATTINY25-20PU
Description
IC AVR MCU 2K 20MHZ 8-DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY25-20PU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-DIP (0.300", 7.62mm)
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
USI
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
Data Rom Size
128 B
A/d Bit Size
10 bit
A/d Channels Available
4
Height
3.3 mm
Length
9.27 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Width
6.35 mm
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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14.1.2
14.1.3
110
ATtiny25/45/85
DT1A – Timer/Counter1 Dead Time A
DT1B – Timer/Counter1 Dead Time B
The dead time value register A is an 8-bit read/write register.
The dead time delay of is adjusted by the dead time value register, DT1A. The register consists
of two fields, DT1AH[3:0] and DT1AL[3:0], one for each complementary output. Therefore a dif-
ferent dead time delay can be adjusted for the rising edge of OC1A and the rising edge of OC1A.
• Bits 7:4 – DT1AH[3:0]: Dead Time Value for OC1A Output
The dead time value for the OC1A output. The dead time delay is set as a number of the pres-
caled timer/counter clocks. The minimum dead time is zero and the maximum dead time is the
prescaled time/counter clock period multiplied by 15.
• Bits 3:0 – DT1AL[3:0]: Dead Time Value for OC1A Output
The dead time value for the OC1A output. The dead time delay is set as a number of the pres-
caled timer/counter clocks. The minimum dead time is zero and the maximum dead time is the
prescaled time/counter clock period multiplied by 15.
The dead time value register Bis an 8-bit read/write register.
The dead time delay of is adjusted by the dead time value register, DT1B. The register consists
of two fields, DT1BH[3:0] and DT1BL[3:0], one for each complementary output. Therefore a dif-
ferent dead time delay can be adjusted for the rising edge of OC1A and the rising edge of OC1A.
• Bits 7:4 – DT1BH[3:0]: Dead Time Value for OC1B Output
The dead time value for the OC1B output. The dead time delay is set as a number of the pres-
caled timer/counter clocks. The minimum dead time is zero and the maximum dead time is the
prescaled time/counter clock period multiplied by 15.
• Bits 3:0 – DT1BL[3:0]: Dead Time Value for OC1B Output
The dead time value for the OC1B output. The dead time delay is set as a number of the pres-
caled timer/counter clocks. The minimum dead time is zero and the maximum dead time is the
prescaled time/counter clock period multiplied by 15.
Bit
0x25
Read/Write
Initial value
Bit
0x24
Read/Write
Initial value
DT1AH3
DT1BH3
R/W
R/W
7
0
7
0
DT1AH2
DT1BH2
R/W
R/W
6
0
6
0
DT1AH1
DT1BH1
R/W
R/W
5
0
5
0
DT1AH0
DT1BH0
R/W
R/W
4
0
4
0
DT1AL3
DT1BL3
R/W
R/W
3
0
3
0
DT1AL2
DT1BL2
R/W
R/W
2
0
2
0
DT1AL1
DT1BL1
R/W
R/W
1
0
1
0
DT1AL0
DT1BL0
R/W
R/W
0
0
0
0
2586M–AVR–07/10
DT1A
DT1B
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