ATMEGA164P-20MCU Atmel, ATMEGA164P-20MCU Datasheet - Page 310

• Manufacturer Part Number: ATMEGA164P-20MCU
• Description: MCU AVR 16K FLASH 20MHZ 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA164P-20MCU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• 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: 44-VQFN Exposed Pad
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

24.9
Table 24-17. Serial Programming Instruction Set (Hexadecimal values)
8011O–AVR–07/10
Instruction/Operation
Programming Enable
Chip Erase (Program Memory/EEPROM)
Poll RDY/BSY
Load Instructions
Load Extended Address byte
Load Program Memory Page, High byte
Load Program Memory Page, Low byte
Load EEPROM Memory Page (page access)
Read Instructions
Read Program Memory, High byte
Read Program Memory, Low byte
Read EEPROM Memory
Read Lock bits
Read Signature Byte
Read Fuse bits
Read Fuse High bits
Read Extended Fuse Bits
Read Calibration Byte
Write Instructions
Write Program Memory Page
Write EEPROM Memory
Write EEPROM Memory Page (page access)
Write Lock bits
Write Fuse bits
Write Fuse High bits
Write Extended Fuse Bits
Serial Programming Instruction set
(6)
Table 24-16. Minimum Wait Delay Before Writing the Next Flash or EEPROM Location
Table 24-17 on page 310
(1)
Symbol
t
t
t
WD_FLASH
WD_EEPROM
WD_ERASE
Byte 1
$AC
$AC
$AC
$AC
$AC
$AC
$4D
$C1
$A0
$4C
$C0
$C2
$F0
$48
$40
$28
$20
$58
$30
$50
$58
$50
$38
and
Figure 24-11 on page 311
0000 00aa
0000 00aa
0000 00aa
adr MSB
adr MSB
adr MSB
Byte 2
$E0
$A0
$A8
$A4
$53
$80
$00
$00
$00
$00
$00
$00
$00
$00
$08
$08
$00
Instruction Format
ATmega164P/324P/644P
Minimum Wait Delay
describes the Instruction set.
Extended adr
0000 000aa
0000 000aa
aaaa aa00
aaaa aaaa
aaaa aaaa
4.5 ms
9.0 ms
9.0 ms
adr LSB
adr LSB
adr LSB
adr LSB
adr LSB
Byte 3
$00
$00
$00
$00
$00
$00
$00
$00
$00
$00
$00
$00
high data byte out
low data byte out
high data byte in
low data byte in
data byte out
data byte out
data byte out
data byte out
data byte out
data byte out
data byte out
data byte out
data byte in
data byte in
data byte in
data byte in
data byte in
data byte in
Byte 4
$00
$00
$00
$00
$00
310