ATTINY45V-10SU Atmel, ATTINY45V-10SU Datasheet - Page 94
ATTINY45V-10SU
Manufacturer Part Number
ATTINY45V-10SU
Description
IC AVR MCU 4K 10MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY45V-10SU
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
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 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 (5.3mm Width), 8-SOP, 8-SOEIAJ
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
USI
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRDRAGON - 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
AD
Quantity:
2 400
Part Number:
ATTINY45V-10SU
Manufacturer:
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12.3.3
94
ATtiny25/45/85
TCNT1 – Timer/Counter1
In Normal mode, the COM1B1 and COM1B0 control bits determine the output pin actions that
affect pin PB4 (OC1B) as described in
mode.
Table 12-6.
In PWM mode, these bits have different functions. Refer to
description.
• Bit 3 – FOC1B: Force Output Compare Match 1B
Writing a logical one to this bit forces a change in the compare match output pin PB3 (OC1B)
according to the values already set in COM1B1 and COM1B0. If COM1B1 and COM1B0 written
in the same cycle as FOC1B, the new settings will be used. The Force Output Compare bit can
be used to change the output pin value regardless of the timer value. The automatic action pro-
grammed in COM1B1 and COM1B0 takes place as if a compare match had occurred, but no
interrupt is generated. The FOC1B bit always reads as zero. FOC1B is not in use if PWM1B bit
is set.
• Bit 2 – FOC1A: Force Output Compare Match 1A
Writing a logical one to this bit forces a change in the compare match output pin PB1 (OC1A)
according to the values already set in COM1A1 and COM1A0. If COM1A1 and COM1A0 written
in the same cycle as FOC1A, the new settings will be used. The Force Output Compare bit can
be used to change the output pin value regardless of the timer value. The automatic action pro-
grammed in COM1A1 and COM1A0 takes place as if a compare match had occurred, but no
interrupt is generated. The FOC1A bit always reads as zero. FOC1A is not in use if PWM1A bit
is set.
• Bit 1 – PSR1 : Prescaler Reset Timer/Counter1
When this bit is set (one), the Timer/Counter prescaler (TCNT1 is unaffected) will be reset. The
bit will be cleared by hardware after the operation is performed. Writing a zero to this bit will have
no effect. This bit will always read as zero.
This 8-bit register contains the value of Timer/Counter1.
Timer/Counter1 is realized as an up counter with read and write access. Due to synchronization
of the CPU, Timer/Counter1 data written into Timer/Counter1 is delayed by one and half CPU
clock cycles in synchronous mode and at most one CPU clock cycles for asynchronous mode.
Bit
0x2F
Read/Write
Initial value
COM1B1
0
0
1
1
Comparator B Mode Select
COM1B0
MSB
R/W
7
0
0
1
0
1
R/W
6
0
Description
Timer/Counter Comparator B disconnected from output pin OC1B.
Toggle the OC1B output line.
Clear the OC1B output line.
Set the OC1B output line
R/W
5
0
Table
R/W
4
0
12-6. Note that OC1B is not connected in normal
R/W
3
0
Table 12-1 on page 89
R/W
2
0
R/W
1
0
LSB
R/W
0
0
2586M–AVR–07/10
for a detailed
TCNT1
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