ATMEGA168PA-MU Atmel, ATMEGA168PA-MU Datasheet - Page 31

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ATMEGA168PA-MU

Manufacturer Part Number
ATMEGA168PA-MU
Description
Microcontrollers (MCU) 16KB FLASH 512B EE 1KB SRAM - 20 MHZ
Manufacturer
Atmel
Datasheet

Specifications of ATMEGA168PA-MU

Processor Series
ATMEGA16x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Program Memory Type
Flash
Program Memory Size
16 KB
Package / Case
VQFN EP
Controller Family/series
AVR MEGA
Core Size
8 Bit
No. Of I/o's
23
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
Cpu Speed
20MHz
No. Of Timers
3
Rohs Compliant
Yes
Height
0.88 mm
Length
5 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Width
5 mm
Oscillator Type
External, Internal
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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8.8
8.8.1
8.8.2
8.8.3
8.8.4
8271CS–AVR–08/10
Errata ATmega328P
Rev D
Rev C
Rev B
Rev A
The revision letter in this section refers to the revision of the ATmega328P device.
1.
Not sampled.
1. Unstable 32 kHz Oscillator
2. Unstable 32 kHz Oscillator
1. Unstable 32 kHz Oscillator
Analog MUX can be turned off when setting ACME bit
Analog MUX can be turned off when setting ACME bit
Unstable 32 kHz Oscillator
Unstable 32 kHz Oscillator
ATmega48A/48PA/88A/88PA/168A/168PA/328/328P
Analog MUX can be turned off when setting ACME bit
If the ACME (Analog Comparator Multiplexer Enabled) bit in ADCSRB is set while MUX3 in
ADMUX is '1' (ADMUX[3:0]=1xxx), all MUX'es are turned off until the ACME bit is cleared.
Problem Fix/Workaround
Clear the MUX3 bit before setting the ACME bit.
If the ACME (Analog Comparator Multiplexer Enabled) bit in ADCSRB is set while MUX3 in
ADMUX is '1' (ADMUX[3:0]=1xxx), all MUX'es are turned off until the ACME bit is cleared.
Problem Fix/Workaround
Clear the MUX3 bit before setting the ACME bit.
The 32 kHz oscillator does not work as system clock. The 32 kHz oscillator used as asyn-
chronous timer is inaccurate.
Problem Fix/ Workaround
None.
The 32 kHz oscillator does not work as system clock. The 32 kHz oscillator used as asyn-
chronous timer is inaccurate.
Problem Fix/ Workaround
None.
31

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