ATMEGA32L-8MJ Atmel, ATMEGA32L-8MJ Datasheet - Page 260
![IC MCU AVR 32K 5V 8MHZ 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA32L-8MJ
Manufacturer Part Number
ATMEGA32L-8MJ
Description
IC MCU AVR 32K 5V 8MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32L-8MJ
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
Lead free / RoHS Compliant
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2503Q–AVR–02/11
Table 108. Pin Name Mapping (Continued)
Table 109. Pin Values used to Enter Programming Mode
Table 110. XA1 and XA0 Coding
Table 111. Command Byte Bit Coding
Signal Name in
Programming Mode
XA1
0
0
1
1
Command Byte
PAGEL
XA0
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
0000 1000
0000 0100
0000 0010
0000 0011
DATA
XA1
BS2
0
1
0
1
PAGEL
XA1
XA0
BS1
Pin
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte determined by BS1)
Load Data (High or Low data byte for Flash determined by BS1)
Load Command
No Action, Idle
PB7-0
Name
PD6
PD7
PA0
Pin
Command Executed
Chip Erase
Write Fuse Bits
Write Lock Bits
Write Flash
Write EEPROM
Read Signature Bytes and Calibration byte
Read Fuse and Lock bits
Read Flash
Read EEPROM
I/O
I/O
I
I
I
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Symbol
Function
XTAL Action Bit 1
Program Memory and EEPROM data Page Load
Byte Select 2 (“0” selects low byte, “1” selects 2’nd
high byte)
Bidirectional Data bus (Output when OE is low)
ATmega32(L)
Value
0
0
0
0
260
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