ATMEGA324P-A15MZ Atmel, ATMEGA324P-A15MZ Datasheet - Page 106

• 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

106
ATmega32(L)
will be the same, but TOP should be replaced by BOTTOM, TOP-1 by BOTTOM+1 and so on.
The same renaming applies for modes that set the TOV1 Flag at BOTTOM.
Figure 51. Timer/Counter Timing Diagram, no Prescaling
Figure 52
Figure 52. Timer/Counter Timing Diagram, with Prescaler (f
(PC and PFC PWM)
and ICFn
(PC and PFC PWM)
(CTC and FPWM)
and ICFn
TOVn
(Update at TOP)
(CTC and FPWM)
(Update at TOP)
TOVn
OCRnx
TCNTn
TCNTn
(clk
as TOP)
TCNTn
TCNTn
OCRnx
as TOP)
(clk
shows the same timing data, but with the prescaler enabled.
clk
clk
clk
clk
I/O
(FPWM)
I/O
I/O
(FPWM)
Tn
I/O
Tn
/8)
(if used
/1)
(if used
TOP - 1
TOP - 1
TOP - 1
TOP - 1
Old OCRnx Value
Old OCRnx Value
TOP
TOP
TOP
TOP
clk_I/O
BOTTOM
TOP - 1
BOTTOM
/8)
TOP - 1
New OCRnx Value
New OCRnx Value
BOTTOM + 1
BOTTOM + 1
TOP - 2
2503N–AVR–06/08
TOP - 2