ATMEGA64M1-AU Atmel, ATMEGA64M1-AU Datasheet - Page 171

• Manufacturer Part Number: ATMEGA64M1-AU
• Description: IC MCU AVR 64K FLASH 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64M1-AU

• 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: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K 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, 32-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Lead Free Status / Rohs Status: Details

Figure 19-7. Sample and Transmission Point
Figure 19-8. General Structure of a Bit Period
8209D–AVR–11/10
Notes: 1. Phase error < 0
CLK
IO
2. Phase error > 0
3. Phase error > 0
4. Phase error < 0
5. Synchronization Segment: SYNS
Tsyns=1
Prescaler BRP
x
Tscl (
CLK
fixed
The total number of TQ in a bit time has to be programmed at least from 8 to 25.
F
Data
CAN
)
IO
Tsyns(5)
Time Quantum
1
/
Fcan (Tscl)
CLK
IO
Tscl (TQ)
Tprs
Bit Rate Prescaler
PHS1 (3-bit length)
PHS2 (3-bit length)
one nominal bit
PRS (3-bit length)
SJW (2-bit length)
Bit Timing
Tbit
ATmega16M1/32M1/64M1
Tphs1+Tsjw
Tphs1
or
(
1
)
(
3
Sample
)
Point
Tphs2+Tsjw
Tphs2
Transmission
or
Sample
Point
Transmission
(
2
Point
)
(
4
)
Point
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