ATMEGA162V-8AJ Atmel, ATMEGA162V-8AJ Datasheet - Page 260

• Manufacturer Part Number: ATMEGA162V-8AJ
• Description: IC MCU AVR 16K 5V 8MHZ 44-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA162V-8AJ

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

Programming
Algorithm
Entering Programming
Mode
Leaving Programming
Mode
Performing Chip Erase 1. Enter JTAG instruction PROG_COMMANDS.
Programming the
Flash
260
ATmega162/V
Figure 112. 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 one 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
Before programming the Flash a Chip Erase must be performed. See
on page
1. Enter JTAG instruction PROG_COMMANDS.
2. Enable Flash write using programming instruction 2a.
3. Load address high byte using programming instruction 2b.
4. Load address low byte using programming instruction 2c.
5. Load data using programming instructions 2d, 2e and 2f.
6. Repeat steps 4 and 5 for all instruction words in the page.
Enable Register.
Enable Register.
to
Table 107 on page
260.
244).
TDO
TDI
D
A
T
A
Machine
State
STROBES
ADDRESS
EEPROM
Lock Bits
Table
Fuses
Flash
111.
“Performing Chip Erase”
WLRH_CE
2513K–AVR–07/09
(refer