ATTINY13-20SSQ Atmel, ATTINY13-20SSQ Datasheet - Page 78
![MCU AVR 1KB FLASH 20MHZ 8SOIC GW](/photos/6/50/65032/453-8-soic_sml.jpg)
ATTINY13-20SSQ
Manufacturer Part Number
ATTINY13-20SSQ
Description
MCU AVR 1KB FLASH 20MHZ 8SOIC GW
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY13-20SSQ
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
1KB (512 x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
64 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-SOIC (3.9mm Width)
Processor Series
ATTINY1x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
64 B
Interface Type
SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
6
Number Of Timers
1
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAKSTK511
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
For Use With
ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Connectivity
-
Lead Free Status / Rohs Status
Details
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13. Analog Comparator
13.1
78
Analog Comparator Multiplexed Input
ATtiny13
The Analog Comparator compares the input values on the positive pin AIN0 and negative pin
AIN1. When the voltage on the positive pin AIN0 is higher than the voltage on the negative pin
AIN1, the Analog Comparator output, ACO, is set. The comparator can trigger a separate inter-
rupt, exclusive to the Analog Comparator. The user can select Interrupt triggering on comparator
output rise, fall or toggle. A block diagram of the comparator and its surrounding logic is shown
in
Figure 13-1. Analog Comparator Block Diagram
See
ator pin placement.
It is possible to select any of the ADC3..0 pins to replace the negative input to the Analog Com-
parator. The ADC multiplexer is used to select this input, and consequently, the ADC must be
switched off to utilize this feature. If the Analog Comparator Multiplexer Enable bit (ACME in
ADCSRB) is set and the ADC is switched off (ADEN in ADCSRA is zero), MUX1:0 in ADMUX
select the input pin to replace the negative input to the Analog Comparator, as shown in
13-1. If ACME is cleared or ADEN is set, AIN1 is applied to the negative input to the Analog
Comparator.
Table 13-1.
Figure 13-1 on page
ADC MULTIPLEXER
ACME
Figure 1-1 on page
REFERENCE
0
1
1
1
1
1
ACME
ADEN
OUTPUT
BANDGAP
(1)
Analog Comparator Multiplexed Input
ACBG
ADEN
1
0
0
0
0
x
78.
2,
Table 10-5 on page
MUX1..0
00
01
10
xx
xx
11
Analog Comparator Negative Input
AIN1
AIN1
ADC0
ADC1
ADC2
ADC3
56, and
Table 13-2 on page 80
for Analog Compar-
2535J–AVR–08/10
Table
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