ATMEGA32L-8AUR Atmel, ATMEGA32L-8AUR Datasheet - Page 19
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 19 of 346
- Download datasheet (6Mb)
The EEPROM Address
Register – EEARH and
EEARL
The EEPROM Data
Register – EEDR
The EEPROM Control
Register – EECR
2503Q–AVR–02/11
• Bits 15..10 – Reserved Bits
These bits are reserved bits in the ATmega32 and will always read as zero.
• Bits 9..0 – EEAR9..0: EEPROM Address
The EEPROM Address Registers
1024 bytes EEPROM space. The EEPROM data bytes are addressed linearly between 0 and
1023. The initial value of EEAR is undefined. A proper value must be written before the
EEPROM may be accessed.
• Bits 7..0 – EEDR7.0: EEPROM Data
For the EEPROM write operation, the EEDR Register contains the data to be written to the
EEPROM in the address given by the EEAR Register. For the EEPROM read operation, the
EEDR contains the data read out from the EEPROM at the address given by EEAR.
• Bits 7..4 – Reserved Bits
These bits are reserved bits in the ATmega32 and will always read as zero.
• Bit 3 – EERIE: EEPROM Ready Interrupt Enable
Writing EERIE to one enables the EEPROM Ready Interrupt if the I bit in SREG is set. Writing
EERIE to zero disables the interrupt. The EEPROM Ready interrupt generates a constant inter-
rupt when EEWE is cleared.
• Bit 2 – EEMWE: EEPROM Master Write Enable
The EEMWE bit determines whether setting EEWE to one causes the EEPROM to be written.
When EEMWE is set, setting EEWE within four clock cycles will write data to the EEPROM at
the selected address If EEMWE is zero, setting EEWE will have no effect. When EEMWE has
been written to one by software, hardware clears the bit to zero after four clock cycles. See the
description of the EEWE bit for an EEPROM write procedure.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
EEAR7
MSB
R/W
R/W
15
R
X
R
–
7
0
7
0
7
–
0
EEAR6
R/W
R/W
14
R
X
R
–
6
0
6
0
6
–
0
EEAR5
R/W
R/W
13
R
R
–
5
0
X
5
0
5
–
0
–
EEARH and EEARL – specify the EEPROM address in the
EEAR4
R/W
R/W
12
–
4
R
0
X
4
0
4
–
R
0
EEAR3
EERIE
R/W
R/W
R/W
11
R
X
–
3
0
3
0
3
0
EEMWE
EEAR2
R/W
R/W
R/W
10
R
X
–
2
0
2
0
2
0
EEAR9
EEAR1
EEWE
R/W
R/W
R/W
R/W
X
9
1
0
1
0
1
X
ATmega32(L)
EEAR8
EEAR0
EERE
R/W
R/W
LSB
R/W
R/W
8
0
X
X
0
0
0
0
EEARH
EEARL
EEDR
EECR
19
Related parts for ATMEGA32L-8AUR
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![ATMEGA32L](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
ATMEL Corporation
Datasheet:
![ATMEGA32L-8AU](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 32K 8MHZ 3V 44TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8MU](/photos/12/13/121316/313-44-qfn_tmb.jpg)
Part Number:
Description:
IC AVR MCU 32K 8MHZ 3V 44-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8PU](/photos/6/70/67049/453-40-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 32K 8MHZ 3V 40DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8PI](/photos/6/70/67049/453-40-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 32K LV 8MHZ IND 40DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8AI](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 32K LV 8MHZ IND44TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8MUR](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
MCU AVR 32K FLASH 8MHZ 44QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8PC](/photos/6/70/67049/453-40-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 32K LV 8MHZ COM 40DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8MC](/photos/12/13/121316/313-44-qfn_tmb.jpg)
Part Number:
Description:
IC AVR MCU 32K LV 8MHZ COM 44QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8AC](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 32K LV 8MHZ COM44TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8MI](/photos/12/13/121316/313-44-qfn_tmb.jpg)
Part Number:
Description:
IC AVR MCU 32K LV 8MHZ IND 44QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA32L-8AJ](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
IC MCU AVR 32K 5V 8MHZ 44-TQFP
Manufacturer:
Atmel
Datasheet: