ATtiny1634 Datasheet PDF - ATMEL

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ATtiny1634
ATMEL

Part Number ATtiny1634
Description 8-bit Atmel tinyAVR Microcontroller
Page 30 Pages


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8-bit Atmel tinyAVR Microcontroller with
16K Bytes In-System Programmable Flash
ATtiny1634
Features
High Performance, Low Power AVR® 8-bit Microcontroller
Advanced RISC Architecture
– 125 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
High Endurance, Non-volatile Memory Segments
– 16K Bytes of In-System, Self-Programmable Flash Program Memory
• Endurance: 10,000 Write/Erase Cycles
– 256 Bytes of In-System Programmable EEPROM
• Endurance: 100,000 Write/Erase Cycles
– 1K Byte of Internal SRAM
– Data retention: 20 years at 85C / 100 years at 25C
– Programming Lock for Self-Programming Flash & EEPROM Data Security
Peripheral Features
– Dedicated Hardware and QTouch® Library Support for Capacitive Touch Sensing
– One 8-bit and One 16-bit Timer/Counter with Two PWM Channels, Each
– 12-channel, 10-bit ADC
– Programmable Ultra Low Power Watchdog Timer
– On-chip Analog Comparator
– Two Full Duplex USARTs with Start Frame Detection
– Universal Serial Interface
– Slave I2C Serial Interface
Special Microcontroller Features
– debugWIRE On-chip Debug System
– In-System Programmable via SPI Port
– Internal and External Interrupt Sources
• Pin Change Interrupt on 18 Pins
– Low Power Idle, ADC Noise Reduction, Standby and Power-down Modes
– Enhanced Power-on Reset Circuit
– Programmable Brown-out Detection Circuit with Supply Voltage Sampling
– Calibrated 8MHz Oscillator with Temperature Calibration Option
– Calibrated 32kHz Ultra Low Power Oscillator
– On-chip Temperature Sensor
I/O and Packages
– 18 Programmable I/O Lines
– 20-pad QFN/MLF, and 20-pin SOIC
Operating Voltage:
– 1.8 – 5.5V
Speed Grade:
– 0 – 2MHz @ 1.8 – 5.5V
– 0 – 8MHz @ 2.7 – 5.5V
– 0 – 12MHz @ 4.5 – 5.5V
Temperature Range: -40C to +105C
Low Power Consumption
– Active Mode: 0.2mA at 1.8V and 1MHz
– Idle Mode: 30µA at 1.8V and 1MHz
– Power-Down Mode (WDT Enabled): 1µA at 1.8V
– Power-Down Mode (WDT Disabled): 100nA at 1.8V
Atmel-8303H-AVR-ATtiny1634-Datasheet–02/2014



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1. Pin Configurations
Figure 1-1. Pinout of ATtiny1634
SOIC
(PCINT8/TXD0/ADC5) PB0
(PCINT7/RXD0/ADC4) PA7
(PCINT6/OC1B/ADC3) PA6
(PCINT5/OC0B/ADC2) PA5
(PCINT4/T0/ADC1) PA4
(PCINT3/T1/SNS/ADC0) PA3
(PCINT2/AIN1) PA2
(PCINT1/AIN0) PA1
(PCINT0/AREF) PA0
GND
1
2
3
4
5
6
7
8
9
10
20 PB1 (ADC6/DI/SDA/RXD1/PCINT9)
19 PB2 (ADC7/DO/TXD1/PCINT10)
18 PB3 (ADC8/OC1A/PCINT11)
17 PC0 (ADC9/OC0A/XCK0/PCINT12)
16 PC1 (ADC10/ICP1/SCL/USCK/XCK1/PCINT13)
15 PC2 (ADC11/CLKO/INT0/PCINT14)
14 PC3 (RESET/dW/PCINT15)
13 PC4 (XTAL2/PCINT16)
12 PC5 (XTAL1/CLKI/PCINT17)
11 VCC
QFN/MLF
(PCINT6/OC1B/ADC3) PA6
(PCINT5/OC0B/ADC2) PA5
(PCINT4/T0/ADC1) PA4
(PCINT3/T1/SNS/ADC0) PA3
(PCINT2/AIN1) PA2
1
2
3
4
5
NOTE
Bottom pad should be
soldered to ground.
15 PC0 (ADC9/OC0A/XCK0/PCINT12)
14 PC1 (ADC10/ICP1/SCL/USCK/XCK1/PCINT13)
13 PC2 (ADC11/CLKO/INT0/PCINT14)
12 PC3 (RESET/dW/PCINT15)
11 PC4 (XTAL2/PCINT16)
ATtiny1634 [DATASHEET]
Atmel-8303H-AVR-ATtiny1634-Datasheet_02/2014
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1.1 Pin Descriptions
1.1.1 VCC
Supply voltage.
1.1.2 GND
Ground.
1.1.3
XTAL1
Input to the inverting amplifier of the oscillator and the internal clock circuit. This is an alternative pin configuration
of PC5.
1.1.4 XTAL2
Output from the inverting amplifier of the oscillator. Alternative pin configuration of PC4.
1.1.5
RESET
Reset input. A low level on this pin for longer than the minimum pulse length will generate a reset, even if the clock
is not running and provided the reset pin has not been disabled. The minimum pulse length is given in Table 24-5
on page 231. Shorter pulses are not guaranteed to generate a reset.
The reset pin can also be used as a (weak) I/O pin.
1.1.6
Port A (PA7:PA0)
This is an 8-bit, bi-directional I/O port with internal pull-up resistors (selected for each bit). Output buffers have the
following drive characteristics:
• PA7, PA4:PA0: Symmetrical, with standard sink and source capability
• PA6, PA5: Asymmetrical, with high sink and standard source capability
As inputs, port pins that are externally pulled low will source current provided that pull-up resistors are activated.
Port pins are tri-stated when a reset condition becomes active, even if the clock is not running.
This port has alternate pin functions to serve special features of the device. See “Alternate Functions of Port A” on
page 62.
1.1.7
Port B (PB3:PB0)
This is a 4-bit, bi-directional I/O port with internal pull-up resistors (selected for each bit).Output buffers have the
following drive characteristics:
• PB3: Asymmetrical, with high sink and standard source capability
• PB2:PB0: Symmetrical, with standard sink and source capability
As inputs, port pins that are externally pulled low will source current provided that pull-up resistors are activated.
Port pins are tri-stated when a reset condition becomes active, even if the clock is not running.
This port has alternate pin functions to serve special features of the device. See “Alternate Functions of Port B” on
page 65.
1.1.8
Port C (PC5:PC0)
This is a 6-bit, bi-directional I/O port with internal pull-up resistors (selected for each bit). Output buffers have the
following drive characteristics:
ATtiny1634 [DATASHEET]
Atmel-8303H-AVR-ATtiny1634-Datasheet_02/2014
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• PC5:PC1: Symmetrical, with standard sink and source capability
• PC0: Asymmetrical, with high sink and standard source capability
As inputs, port pins that are externally pulled low will source current provided that pull-up resistors are activated.
Port pins are tri-stated when a reset condition becomes active, even if the clock is not running.
This port has alternate pin functions to serve special features of the device. See “Alternate Functions of Port C” on
page 67.
2. Overview
ATtiny1634 is a low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By exe-
cuting powerful instructions in a single clock cycle, the ATtiny1634 achieves throughputs approaching 1 MIPS per
MHz allowing the system designer to optimize power consumption versus processing speed.
Figure 2-1. Block Diagram
VCC RESET GND
POWER
SUPERVISION:
POR
BOD
RESET
CALIBRATED ULP
OSCILLATOR
WATCHDOG
TIMER
PROGRAM
MEMORY
(FLASH)
ON-CHIP
DEBUGGER
EEPROM
CALIBRATED
OSCILLATOR
TIMING AND
CONTROL
DATA
MEMORY
(SRAM)
CPU CORE
8-BIT DATA BUS
ISP
INTERFACE
DEBUG
INTERFACE
8-BIT
TIMER/COUNTER
16-BIT
TIMER/COUNTER
USART0
USI
USART1
TEMPERATURE
SENSOR
ANALOG
COMPARATOR
TOUCH
SENSING
TWO-WIRE
INTERFACE
VOLTAGE
REFERENCE
MULTIPLEXER
ADC
PORT A
PORT B
PORT C
PA[7:0]
PB[3:0]
PC[5:0]
ATtiny1634 [DATASHEET]
Atmel-8303H-AVR-ATtiny1634-Datasheet_02/2014
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