ATMEGA32L-8AUR Atmel, ATMEGA32L-8AUR Datasheet - Page 61
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ATMEGA32L-8AUR
Manufacturer Part Number
ATMEGA32L-8AUR
Description
MCU AVR 32K FLASH 8MHZ 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32L-8AUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
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
*
Package
44TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
32
Interface Type
TWI/SPI/USART
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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2503Q–AVR–02/11
• SDA – Port C, Bit 1
SDA, Two-wire Serial Interface Data: When the TWEN bit in TWCR is set (one) to enable the
Two-wire Serial Interface, pin PC1 is disconnected from the port and becomes the Serial Data
I/O pin for the Two-wire Serial Interface. In this mode, there is a spike filter on the pin to sup-
press spikes shorter than 50 ns on the input signal, and the pin is driven by an open drain driver
with slew-rate limitation. When this pin is used by the Two-wire Serial Interface, the pull-up can
still be controlled by the PORTC1 bit.
• SCL – Port C, Bit 0
SCL, Two-wire Serial Interface Clock: When the TWEN bit in TWCR is set (one) to enable the
Two-wire Serial Interface, pin PC0 is disconnected from the port and becomes the Serial Clock
I/O pin for the Two-wire Serial Interface. In this mode, there is a spike filter on the pin to sup-
press spikes shorter than 50 ns on the input signal, and the pin is driven by an open drain driver
with slew-rate limitation. When this pin is used by the Two-wire Serial Interface, the pull-up can
still be controlled by the PORTC0 bit.
Table 29
Figure 26 on page
Table 29. Overriding Signals for Alternate Functions in PC7..PC4
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
and
PC7/TOSC2
AS2
0
AS2
0
0
0
AS2
0
–
T/C2 OSC OUTPUT
Table 30
54.
relate the alternate functions of Port C to the overriding signals shown in
PC6/TOSC1
AS2
0
AS2
0
0
0
AS2
0
–
T/C2 OSC INPUT
PC5/TDI
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
–
TDI
PC4/TDO
JTAGEN
0
JTAGEN
JTAGEN
TDO
JTAGEN
0
–
–
SHIFT_IR + SHIFT_DR
ATmega32(L)
61
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