ATTINY25V-10SSH Atmel, ATTINY25V-10SSH Datasheet - Page 106
ATTINY25V-10SSH
Manufacturer Part Number
ATTINY25V-10SSH
Description
IC MCU AVR 2KB FLASH 10MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY25-20MU.pdf
(236 pages)
Specifications of ATTINY25V-10SSH
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
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)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (3.9mm Width)
Processor Series
ATtiny
Core
AVR
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
SPI, USI
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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13.3.5
13.3.6
13.3.7
106
ATtiny25/45/85
OCR1C – Timer/Counter1 Output Compare Register C
TIMSK – Timer/Counter Interrupt Mask Register
TIFR – Timer/Counter Interrupt Flag Register
The Output Compare Register B - OCR1B from ATtiny15 is replaced with the output compare
register C - OCR1C that is an 8-bit read/write register. This register has the same function as the
Output Compare Register B in ATtiny15.
The Timer/Counter Output Compare Register C contains data to be continuously compared with
Timer/Counter1. A compare match does only occur if Timer/Counter1 counts to the OCR1C
value. A software write that sets TCNT1 and OCR1C to the same value does not generate a
compare match. If the CTC1 bit in TCCR1 is set, a compare match will clear TCNT1.
• Bit 7 – Res: Reserved Bit
This bit is a reserved bit in the ATtiny25/45/85 and always reads as zero.
• Bit 6 – OCIE1A: Timer/Counter1 Output Compare Interrupt Enable
When the OCIE1A bit is set (one) and the I-bit in the Status Register is set (one), the
Timer/Counter1 Compare MatchA, interrupt is enabled. The corresponding interrupt at vector
$003 is executed if a compare matchA occurs. The Compare Flag in Timer/Counter1 is set (one)
in the Timer/Counter Interrupt Flag Register.
• Bit 2 – TOIE1: Timer/Counter1 Overflow Interrupt Enable
When the TOIE1 bit is set (one) and the I-bit in the Status Register is set (one), the
Timer/Counter1 Overflow interrupt is enabled. The corresponding interrupt (at vector $004) is
executed if an overflow in Timer/Counter1 occurs. The Overflow Flag (Timer1) is set (one) in the
Timer/Counter Interrupt Flag Register - TIFR.
• Bit 0 – Res: Reserved Bit
This bit is a reserved bit in the ATtiny25/45/85 and always reads as zero.
• Bit 7 – Res: Reserved Bit
This bit is a reserved bit in the ATtiny25/45/85 and always reads as zero.
Bit
0x2D
Read/Write
Initial value
Bit
0x39
Read/Write
Initial value
Bit
0x38
Read/Write
Initial value
MSB
R/W
R
R
7
–
0
7
–
0
7
1
OCIE1A
OCF1A
R/W
R/W
R/W
6
1
6
0
6
0
OCIE1B
R/W
OCF1B
5
1
R/W
R/W
5
0
5
0
R/W
OCIE0A
4
1
R/W
OCF0A
4
0
R/W
4
0
R/W
3
1
OCIE0B
OCF0B
R/W
R/W
3
0
3
0
R/W
2
1
TOIE1
TOV1
R/W
R/W
2
0
2
0
R/W
1
1
TOIE0
TOV0
R/W
R/W
1
0
1
0
LSB
R/W
0
1
2586M–AVR–07/10
R
0
–
0
R
0
–
0
OCR1C
TIMSK
TIFR
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