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Preliminary Data Sheet
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AVR64EA28
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23
TCB - 16-Bit Timer/Counter Type B
23.3
Functional Description
23.3.3
Operation
Introduction
Family Overview
Features
1
Block Diagram
2
Pinout
3
I/O Multiplexing and Considerations
4
Hardware Guidelines
5
Power Domains
6
Conventions
7
AVR® CPU
8
Memories
9
GPR - General Purpose Registers
10
Peripherals and Architecture
11
NVMCTRL - Nonvolatile Memory Controller
12
CLKCTRL - Clock Controller
13
SLPCTRL - Sleep Controller
14
RSTCTRL - Reset Controller
15
CPUINT - CPU Interrupt Controller
16
EVSYS - Event System
17
PORTMUX - Port Multiplexer
18
PORT - I/O Pin Configuration
19
BOD - Brown-out Detector
20
VREF - Voltage Reference
21
WDT - Watchdog Timer
22
TCA - 16-bit Timer/Counter Type A
23
TCB - 16-Bit Timer/Counter Type B
23.1
Features
23.2
Overview
23.3
Functional Description
23.3.1
Definitions
23.3.2
Initialization
23.3.3
Operation
23.3.3.1
Modes
23.3.3.2
Output
23.3.3.3
32-Bit Input Capture
23.3.3.4
Noise Canceler
23.3.3.5
Synchronized with Timer/Counter Type A
23.3.4
Events
23.3.5
Interrupts
23.3.6
Sleep Mode Operation
23.4
Register Summary
23.5
Register Description
24
RTC - Real-Time Counter
25
USART - Universal Synchronous and Asynchronous Receiver and Transmitter
26
SPI - Serial Peripheral Interface
27
TWI - Two-Wire Interface
28
CRCSCAN - Cyclic Redundancy Check Memory Scan
29
CCL - Configurable Custom Logic
30
AC - Analog Comparator
31
ADC - Analog-to-Digital Converter
32
DAC - Digital-to-Analog Converter
33
UPDI - Unified Program and Debug Interface
34
Instruction Set Summary
35
Electrical Characteristics
36
Characteristics Graphs
37
Ordering Information
38
Package Drawings
39
Data Sheet Revision History
Microchip Information
23.3.3 Operation
