ATTINY13A-MMUR Atmel, ATTINY13A-MMUR Datasheet - Page 88
![MCU AVR 1KB FLASH 20MHZ 10QFN](/photos/12/13/121304/313-10m1_sml.jpg)
ATTINY13A-MMUR
Manufacturer Part Number
ATTINY13A-MMUR
Description
MCU AVR 1KB FLASH 20MHZ 10QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY13A-SSH.pdf
(176 pages)
Specifications of ATTINY13A-MMUR
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)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Connectivity
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY13A-MMUR
Manufacturer:
TI
Quantity:
4 430
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14.6.2
14.7
14.8
88
ADC Noise Canceler
Analog Input Circuitry
ATtiny13A
ADC Voltage Reference
The reference voltage for the ADC (V
ended channels that exceed V
either V
voltage source may be inaccurate, and the user is advised to discard this result.
The ADC features a noise canceler that enables conversion during sleep mode to reduce noise
induced from the CPU core and other I/O peripherals. The noise canceler can be used with ADC
Noise Reduction and Idle mode. To make use of this feature, the following procedure should be
used:
Note that the ADC will not be automatically turned off when entering other sleep modes than Idle
mode and ADC Noise Reduction mode. The user is advised to write zero to ADEN before enter-
ing such sleep modes to avoid excessive power consumption.
The analog input circuitry for single ended channels is shown in
applied to ADCn is subjected to pin capacitance and input leakage of that pin, regardless if the
channel is chosen as input for the ADC, or not. When the channel is selected, the source drives
the S/H capacitor through the series resistance (combined resistance in input path).
Figure 14-8. Analog Input Circuitry
Note:
• Make sure that the ADC is enabled and is not busy converting. Single Conversion mode must
• Enter ADC Noise Reduction mode (or Idle mode). The ADC will start a conversion once the
• If no other interrupts occur before the ADC conversion completes, the ADC interrupt will
be selected and the ADC conversion complete interrupt must be enabled.
CPU has been halted.
wake up the CPU and execute the ADC Conversion Complete interrupt routine. If another
interrupt wakes up the CPU before the ADC conversion is complete, the interrupt will be
executed, and an ADC Conversion Complete interrupt request will be generated when the
ADC conversion completes. The CPU will remain in active mode until a new sleep command
is executed.
CC
The capacitor in the figure depicts the total capacitance, including the sample/hold capacitor and
any stray or parasitic capacitance inside the device. The value given is worst case.
n
, or internal 1.1V reference. The first ADC conversion result after switching reference
I
IH
I
IL
REF
will result in codes close to 0x3FF. V
REF
1..100 kohm
) indicates the conversion range for the ADC. Single
C
S/H
= 14 pF
Figure 14-8
REF
can be selected as
An analog source
8126E–AVR–07/10
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