ATMEGA324P-A15MZ Atmel, ATMEGA324P-A15MZ Datasheet - Page 282

• 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

Virtual Flash Page
Load Register
282
ATmega32(L)
Figure 141. State Machine Sequence for Changing/Reading the Data Word
The Virtual Flash Page Load Register is a virtual scan chain with length equal to the number of
bits in one Flash page. Internally the Shift Register is 8-bit, and the data are automatically trans-
ferred to the Flash page buffer byte by byte. Shift in all instruction words in the page, starting
with the LSB of the first instruction in the page and ending with the MSB of the last instruction in
the page. This provides an efficient way to load the entire Flash page buffer before executing
Page Write.
1
0
Test-Logic-Reset
Run-Test/Idle
0
1
1
0
Select-DR Scan
Capture-DR
Update-DR
Pause-DR
Exit1-DR
Exit2-DR
Shift-DR
1
0
0
1
0
1
1
0
1
1
0
0
1
0
Select-IR Scan
Capture-IR
Update-IR
Pause-IR
Exit1-IR
Exit2-IR
Shift-IR
1
0
0
1
0
1
1
0
2503N–AVR–06/08
1
1
0
0