ATMEGA32M1-AUR Atmel, ATMEGA32M1-AUR Datasheet - Page 211
![IC MPU AVR 32K 20MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA32M1-AUR
Manufacturer Part Number
ATMEGA32M1-AUR
Description
IC MPU AVR 32K 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32M1-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
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 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
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20.5.7.5
20.5.7.6
20.5.8
8209D–AVR–11/10
xxOK Flags
Data Length after Error
Data Length in UART Mode
Figure 20-11. Tx Response - Error
Note:
There are three xxOK flags in LINSIR register:
These flags can generate interrupts if the corresponding enable interrupt bit is set in the LINE-
NIR register (see
• The user initializes LTXDL field before setting the Tx Response command
• After setting the Tx Response command, LRXDL is reset by hardware
• LTXDL will remain unchanged during Tx (during busy signal)
• LRXDL will count the number of transmitted bytes (during busy signal)
• If an error occurs, Tx stops, the corresponding error flag is set and LRXDL will give the
• If no error occurs, LTXOK is set after the transmission of the CHECKSUM, LTXDL will be
• The UART mode forces LRXDL and LTXDL to 0 and disables the writing in LINDLR register
• Note that after reset, LRXDL and LTXDL are also forced to 0
• LIDOK: LIN IDentifier OK
• LRXOK: LIN RX response complete
• LTXOK: LIN TX response complete
number of transmitted bytes without error
unchanged (and LRXDL = LTXDL)
It is set at the end of the header, either by the Tx Header function or by the Rx Header. In LIN
1.3, before generating LIDOK, the controller updates the LRXDL & LTXDL fields in LINDLR
register.
It is not driven in UART mode.
It is set at the end of the response by the Rx Response function in LIN mode and once a
character is received in UART mode.
It is set at the end of the response by the Tx Response function in LIN mode and once a
character has been sent in UART mode.
LIN bus
Information on response (ex: error on byte) is only available at the end of the serialization/de-seri-
alization of the byte
LBUSY
LRXDL
LTXDL
Section 20.5.13 “Interrupts” on page
4
4
DATA-0
1
LCMD=Tx Response
st
Byte
0
ATmega16M1/32M1/64M1
DATA-1
2
nd
Byte
1
214).
LCMD2..0=000
ERROR
3
DATA-2
rd
Byte
2
b
LERR
211
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