ATmega64C1 Automotive Atmel Corporation, ATmega64C1 Automotive Datasheet - Page 212

• Manufacturer Part Number: ATmega64C1 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega64C1 Automotive

• 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 150
• 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: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

17.5
17.5.1
17.5.2
17.5.3
212
LIN / UART Description
Atmel ATmega16/32/64/M1/C1
Reset
Clock
LIN Protocol Selection
The AVR core reset logic signal also resets the LIN/UART controller. Another form of reset
exists, a software reset controlled by LSWRES bit in LINCR register. This self-reset bit per-
forms a partial reset as shown in
Table 17-2.
The I/O clock signal (clk
LIN13 bit in LINCR register is used to select the LIN protocol:
The controller checks the LIN13 bit in computing the checksum (enhanced checksum in
LIN2.1 / classic checksum in LIN 1.3). See
This bit is irrelevant for UART commands.
• LIN13 = 0 (default): LIN 2.1 protocol,
• LIN13 = 1: LIN 1.3 protocol.
LIN Status & Interrupt Reg.
LIN Enable Interrupt Reg.
LIN Baud Rate Reg. High
LIN Data Buffer Selection
LIN Baud Rate Reg. Low
LIN Data Length Reg.
LIN Bit Timing Reg.
LIN Identifier Reg.
LIN Control Reg.
LIN Error Reg.
Register
LIN Data
Reset of LIN/UART Registers
i/o
) also clocks the LIN/UART controller. It is its unique clock.
LINBRRH
LINBRRL
LINENIR
LINERR
LINBTR
LINDLR
LINSEL
LINIDR
LINDAT
LINSIR
Table
LINCR
Name
17-2.
“Rx & TX Response Functions” on page
Reset Value
0000 0000
0000 0000
0000 0000
0000 0000
0010 0000
0000 0000
0000 0000
0000 0000
1000 0000
0000 0000
0000 0000
b
b
b
b
b
b
b
b
b
b
b
LSWRES Value
0000 0000
0000 0000
0000 0000
0010 0000
uuuu uuuu
0000 0000
1000 0000
0000 0000
xxxx 0000
xxxx uuuu
xxxx 0000
b
b
b
b
b
b
b
b
b
b
b
7647G–AVR–09/11
u=unchanged
x=unknown
Comment
210.