ATMEGA64-16AI Atmel, ATMEGA64-16AI Datasheet - Page 321

• Manufacturer Part Number: ATMEGA64-16AI
• Description: IC AVR MCU 64K 16MHZ IND 64-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64-16AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Programming
Algorithm
Entering Programming
Mode
Leaving Programming
Mode
Performing Chip Erase 1. Enter JTAG instruction PROG_COMMANDS.
2490Q–AVR–06/10
Figure 154. Virtual Flash Page Read Register
All references below of type “1a”, “1b”, and so on, refer to
1. Enter JTAG instruction AVR_RESET and shift 1 in the Reset Register.
2. Enter instruction PROG_ENABLE and shift 1010_0011_0111_0000 in the Programming
1. Enter JTAG instruction PROG_COMMANDS.
2. Disable all programming instructions by using no operation instruction 11a.
3. Enter instruction PROG_ENABLE and shift 0000_0000_0000_0000 in the Programming
4. Enter JTAG instruction AVR_RESET and shift 0 in the Reset Register.
2. Start chip erase using programming instruction 1a.
3. Poll for chip erase complete using programming instruction 1b, or wait for t
Enable Register.
Enable Register.
to
Table 1 on page
TDO
TDI
D
A
T
A
304).
Machine
State
STROBES
ADDRESS
Table
EEPROM
Lock Bits
Fuses
Flash
130.
ATmega64(L)
WLRH_CE
(refer
321