ATTINY45-15SZ Atmel, ATTINY45-15SZ Datasheet - Page 91
ATTINY45-15SZ
Manufacturer Part Number
ATTINY45-15SZ
Description
MCU AVR 4K FLASH 15MHZ 8-SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY25-15MZ.pdf
(196 pages)
Specifications of ATTINY45-15SZ
Package / Case
8-SOIC (3.9mm Width)
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
6
Eeprom Size
256 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
256 x 8
Program Memory Size
4KB (4K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY45-15SZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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7598H–AVR–07/09
Figure 14-5. Effects of Unsynchronized OCR Latching
During the time between the write and the latch operation, a read from OCR1A or OCR1B will
read the contents of the temporary location. This means that the most recently written value
always will read out of OCR1A or OCR1B.
When OCR1A or OCR1B contain $00 or the top value, as specified in OCR1C register, the out-
p u t P B 1 ( O C 1 A ) o r P B 3 ( O C 1 B ) i s h e l d l o w o r h i g h a c c o r d i n g t o t h e s e t t i n g s o f
COM1A1/COM1A0. This is shown in
Table 14-5.
In PWM mode, the Timer Overflow Flag - TOV1 is set when the TCNT1 counts to the OCR1C
value and the TCNT1 is reset to $00. The Timer Overflow Interrupt1 is executed when TOV1 is
set provided that Timer Overflow Interrupt and global interrupts are enabled. This also applies to
the Timer Output Compare flags and interrupts.
The frequency of the PWM will be Timer Clock 1 Frequency divided by (OCR1C value + 1). See
the following equation:
COM1x1
0
0
1
1
1
1
Unsynchronized OC1x Latch
Synchronized OC1x Latch
PWM Outputs OCR1x = $00 or OCR1C, x = A or B
COM1x0
1
1
0
0
1
1
f
OCR1C
OCR1C
OCR1C
OCR1x
Table
PWM
$00
$00
$00
=
14-5.
----------------------------------- -
OCR1C + 1
Glitch
f
Compare Value changes
Compare Value changes
TCK1
Output OC1x
H
H
H
L
L
L
ATtiny25/45/85
Counter Value
Compare Value
PWM Output OC1x
Counter Value
Compare Value
PWM Output OC1x
Not connected.
Not connected.
Not connected.
Not connected.
Output OC1x
H
L
91
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