ATMEGA165-16AU Atmel, ATMEGA165-16AU Datasheet - Page 251

• Manufacturer Part Number: ATMEGA165-16AU
• Description: IC AVR MCU 16K 16MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA165-16AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 54
• 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): 2.7 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: Lead free / RoHS Compliant

Serial Programming Pin
Mapping
2573G–AVR–07/09
Table 108. Pin Values Used to Enter Programming Mode
Table 109. XA1 and XA0 Coding
Table 110. Command Byte Bit Coding
Table 111. Pin Mapping Serial Programming
XA1
0
0
1
1
Command Byte
Symbol
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
0000 1000
0000 0100
0000 0010
0000 0011
MOSI
MISO
SCK
PAGEL
XA1
XA0
BS1
Pin
XA0
0
1
0
1
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte
determined by BS1).
Load Data (High or Low data byte for Flash determined by BS1).
Load Command
No Action, Idle
Command Executed
Chip Erase
Write Fuse bits
Write Lock bits
Write Flash
Write EEPROM
Read Signature Bytes and Calibration byte
Read Fuse and Lock bits
Read Flash
Read EEPROM
Pins
PB2
PB3
PB1
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Symbol
I/O
O
I
I
ATmega165/V
Serial Data out
Serial Data in
Description
Serial Clock
Value
0
0
0
0
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