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AVR16EB14/20/28/32 Preliminary Data Sheet
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36
Electrical Characteristics
36.10
CLKCTRL
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
TCB - 16-Bit Timer/Counter Type B
23
TCE - 16-Bit Timer/Counter Type E
24
WEX - Waveform Extension for the 16-Bit Timer/Counter Type E
25
TCF -
24
-bit Timer/Counter Type F
26
RTC - Real-Time Counter
27
USART - Universal Synchronous and Asynchronous Receiver and Transmitter
28
SPI - Serial Peripheral Interface
29
TWI - Two-Wire Interface
30
CRCSCAN - Cyclic Redundancy Check Memory Scan
31
CCL - Configurable Custom Logic
32
AC - Analog Comparator
33
ADC - Analog-to-Digital Converter
34
UPDI - Unified Program and Debug Interface
35
Instruction Set Summary
36
Electrical Characteristics
36.1
Disclaimer
36.2
Absolute Maximum Ratings
36.3
Standard Operating Conditions
36.4
Supply Voltage
36.5
Power Consumption
36.6
Peripherals Power Consumption
36.7
I/O Pins
36.8
Memory Programming Specifications
36.9
Thermal Specifications
36.10
CLKCTRL
36.10.1
Internal Oscillators
36.10.2
PLL
36.10.3
XOSC32K
36.10.4
External Clock
36.10.5
System Clock
36.11
RSTCTRL and BOD
36.12
VREF
36.13
USART
36.14
SPI
36.15
TWI
36.16
ADC
36.17
AC
36.18
UPDI
37
Characteristics Graphs
38
Ordering Information
39
Packaging Information
40
Data Sheet Revision History
Microchip Information
36.10 CLKCTRL
