ATMEGA324P-A15MZ Atmel, ATMEGA324P-A15MZ Datasheet - Page 344

• Manufacturer Part Number: ATMEGA324P-A15MZ
• Description: MCU AVR 32KB FLASH 15MHZ 44-VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA324P-A15MZ

• Package / Case: 44-VQFN Exposed Pad
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 32
• Eeprom Size: 1K x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Program Memory Size: 32KB (32K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

JTAG Interface and On-chip Debug System 219
IEEE 1149.1 (JTAG) Boundary-scan 225
Boot Loader Support – Read-While-Write Self-Programming 244
Memory Programming 256
iv
Prescaling and Conversion Timing 204
Changing Channel or Reference Selection 207
ADC Noise Canceler 208
ADC Conversion Result 213
Features 219
Overview 219
Test Access Port – TAP 219
TAP Controller 221
Using the Boundary-scan Chain 222
Using the On-chip Debug System 222
On-chip Debug Specific JTAG Instructions 223
On-chip Debug Related Register in I/O Memory 224
Using the JTAG Programming Capabilities 224
Bibliography 224
Features 225
System Overview 225
Data Registers 225
Boundary-scan Specific JTAG Instructions 227
Boundary-scan Chain 229
ATmega32 Boundary-scan Order 239
Boundary-scan Description Language Files 243
Features 244
Application and Boot Loader Flash Sections 244
Read-While-Write and no Read-While-Write Flash Sections 244
Boot Loader Lock Bits 246
Entering the Boot Loader Program 247
Addressing the Flash during Self-Programming 249
Self-Programming the Flash 250
Program And Data Memory Lock Bits 256
Fuse Bits 257
Signature Bytes 258
Calibration Byte 258
Page Size 258
Parallel Programming Parameters, Pin Mapping, and Commands 259
Parallel Programming 261
SPI Serial Downloading 270
SPI Serial Programming Pin Mapping 270
Programming via the JTAG Interface 274
ATmega32(L)
2503N–AVR–06/08