ATMEGA32A-MNR Atmel, ATMEGA32A-MNR Datasheet - Page 64

• Manufacturer Part Number: ATMEGA32A-MNR
• Description: IC MCU AVR 32K 16MHZ 44VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32A-MNR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.3.4
8155C–AVR–02/11
Alternate Functions of Port D
Table 12-11. Overriding Signals for Alternate Functions in PC3:PC0
Note:
The Port D pins with alternate functions are shown in
Table 12-12. Port D Pins Alternate Functions
The alternate pin configuration is as follows:
• OC2 – Port D, Bit 7
OC2, Timer/Counter2 Output Compare Match output: The PD7 pin can serve as an external out-
put for the Timer/Counter2 Output Compare. The pin has to be configured as an output (DDD7
set (one)) to serve this function. The OC2 pin is also the output pin for the PWM mode timer
function.
• ICP1 – Port D, Bit 6
ICP1 – Input Capture Pin: The PD6 pin can act as an Input Capture pin for Timer/Counter1.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Port Pin
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
1. When enabled, the Two-wire Serial Interface enables slew-rate controls on the output pins
PC0 and PC1. This is not shown in the figure. In addition, spike filters are connected between
the AIO outputs shown in the port figure and the digital logic of the TWI module.
PC3/TMS
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
–
TMS
Alternate Function
OC2 (Timer/Counter2 Output Compare Match Output)
ICP1 (Timer/Counter1 Input Capture Pin)
OC1A (Timer/Counter1 Output Compare A Match Output)
OC1B (Timer/Counter1 Output Compare B Match Output)
INT1 (External Interrupt 1 Input)
INT0 (External Interrupt 0 Input)
TXD (USART Output Pin)
RXD (USART Input Pin)
PC2/TCK
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
–
TCK
PC1/SDA
TWEN
PORTC1 • PUD
TWEN
SDA_OUT
TWEN
0
0
0
–
SDA INPUT
Table
12-12.
(1)
ATmega32A
SCL INPUT
PC0/SCL
TWEN
PORTC0 • PUD
TWEN
SCL_OUT
TWEN
0
0
0
–
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