ATmega16M1 Automotive Atmel Corporation, ATmega16M1 Automotive Datasheet - Page 212
ATmega16M1 Automotive
Manufacturer Part Number
ATmega16M1 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATMEGA16M1_AUTOMOTIVE.pdf
(12 pages)
3.ATMEGA16M1_AUTOMOTIVE.pdf
(25 pages)
4.ATMEGA16M1_AUTOMOTIVE.pdf
(367 pages)
Specifications of ATmega16M1 Automotive
Flash (kbytes)
16 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)
1
Eeprom (bytes)
512
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
14
Input Capture Channels
1
Pwm Channels
10
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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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.
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