ATmega64M1 Atmel Corporation, ATmega64M1 Datasheet - Page 211
ATmega64M1
Manufacturer Part Number
ATmega64M1
Description
Manufacturer
Atmel Corporation
Specifications of ATmega64M1
Flash (kbytes)
64 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
27
Ext Interrupts
27
Usb Speed
No
Usb Interface
No
Spi
1
Uart
1
Can
1
Lin
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
125
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
14
Input Capture Channels
1
Pwm Channels
10
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega64M1-15MD
Manufacturer:
ATMEL
Quantity:
700
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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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