ATMEGA32L-8MI Atmel, ATMEGA32L-8MI Datasheet - Page 60
![IC AVR MCU 32K LV 8MHZ IND 44QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA32L-8MI
Manufacturer Part Number
ATMEGA32L-8MI
Description
IC AVR MCU 32K LV 8MHZ IND 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32L-8MI
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
44-VQFN Exposed Pad
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Alternate Functions of
Port C
2503Q–AVR–02/11
The Port C pins with alternate functions are shown in
the pull-up resistors on pins PC5(TDI), PC3(TMS) and PC2(TCK) will be activated even if a reset
occurs.
Table 28. Port C Pins Alternate Functions
The alternate pin configuration is as follows:
• TOSC2 – Port C, Bit 7
TOSC2, Timer Oscillator pin 2: When the AS2 bit in ASSR is set (one) to enable asynchronous
clocking of Timer/Counter2, pin PC7 is disconnected from the port, and becomes the inverting
output of the Oscillator amplifier. In this mode, a Crystal Oscillator is connected to this pin, and
the pin can not be used as an I/O pin.
• TOSC1 – Port C, Bit 6
TOSC1, Timer Oscillator pin 1: When the AS2 bit in ASSR is set (one) to enable asynchronous
clocking of Timer/Counter2, pin PC6 is disconnected from the port, and becomes the input of the
inverting Oscillator amplifier. In this mode, a Crystal Oscillator is connected to this pin, and the
pin can not be used as an I/O pin.
• TDI – Port C, Bit 5
TDI, JTAG Test Data In: Serial input data to be shifted in to the Instruction Register or Data Reg-
ister (scan chains). When the JTAG interface is enabled, this pin can not be used as an I/O pin.
• TDO – Port C, Bit 4
TDO, JTAG Test Data Out: Serial output data from Instruction Register or Data Register. When
the JTAG interface is enabled, this pin can not be used as an I/O pin.
The TD0 pin is tri-stated unless TAP states that shifts out data are entered.
• TMS – Port C, Bit 3
TMS, JTAG Test Mode Select: This pin is used for navigating through the TAP-controller state
machine. When the JTAG interface is enabled, this pin can not be used as an I/O pin.
• TCK – Port C, Bit 2
TCK, JTAG Test Clock: JTAG operation is synchronous to TCK. When the JTAG interface is
enabled, this pin can not be used as an I/O pin.
Port Pin
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Alternate Function
TOSC2 (Timer Oscillator Pin 2)
TOSC1 (Timer Oscillator Pin 1)
TDI (JTAG Test Data In)
TDO (JTAG Test Data Out)
TMS (JTAG Test Mode Select)
TCK (JTAG Test Clock)
SDA (Two-wire Serial Bus Data Input/Output Line)
SCL (Two-wire Serial Bus Clock Line)
Table
28. If the JTAG interface is enabled,
ATmega32(L)
60
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