ATMEGA64M1-AU Atmel, ATMEGA64M1-AU Datasheet - Page 268
ATMEGA64M1-AU
Manufacturer Part Number
ATMEGA64M1-AU
Description
IC MCU AVR 64K FLASH 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA64M1-AU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP, 32-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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25. debugWIRE On-chip Debug System
25.1
25.2
25.3
268
Features
Overview
Physical Interface
ATmega16M1/32M1/64M1
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The debugWIRE On-chip debug system uses a One-wire, bi-directional interface to control the
program flow, execute AVR instructions in the CPU and to program the different non-volatile
memories.
When the debugWIRE Enable (DWEN) Fuse is programmed and Lock bits are unprogrammed,
the debugWIRE system within the target device is activated. The RESET port pin is configured
as a wire-AND (open-drain) bi-directional I/O pin with pull-up enabled and becomes the commu-
nication gateway between target and emulator.
Figure 25-1. The debugWIRE Setup
Figure 25-1
connector. The system clock is not affected by debugWIRE and will always be the clock source
selected by the CKSEL Fuses.
Complete Program Flow Control
Emulates All On-chip Functions, both Digital and Analog, except RESET Pin
Real-time Operation
Symbolic Debugging Support (both at C and Assembler Source Level, or for other HLLs)
Unlimited Number of Program Break Points (using Software Break Points)
Non-intrusive Operation
Electrical Characteristics Identical to Real Device
Automatic Configuration System
High-Speed Operation
Programming of Non-volatile Memories
shows the schematic of a target MCU, with debugWIRE enabled, and the emulator
dW
GND
dW(RESET)
VCC
1.8V - 5.5V
8209D–AVR–11/10
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