ATmega168 Automotive Atmel Corporation, ATmega168 Automotive Datasheet - Page 169

• Manufacturer Part Number: ATmega168 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega168 Automotive

• Flash (kbytes): 16 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 23
• Ext Interrupts: 24
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 150
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

21.6.2
Table 21-11. Serial Programming Instruction Set
7701E–AVR–02/11
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
Serial Programming Instruction set
(6)
(1)
8. Power-off sequence (if needed):
Table 21-10. Minimum Wait Delay Before Writing the Next Flash or EEPROM Location
Table 21-11 on page 169
Symbol
t
t
t
t
WD_FLASH
WD_EEPROM
WD_ERASE
WD_FUSE
Set RESET to “1”.
Turn V
CC
power off.
Byte 1
$AC
$AC
$4D
$C1
$4C
$C0
$C2
$AC
$F0
$A0
$48
$40
$28
$20
$58
$30
$50
$58
$50
$38
and
Atmel ATtiny24/44/84 [Preliminary]
Figure 21-2 on page 170
adr MSB
adr MSB
adr MSB
adr MSB
adr MSB
Byte 2
$53
$80
$00
$00
$00
$00
$00
$00
$00
$08
$08
$00
$00
$00
$E0
Instruction Format
Minimum Wait Delay
describes the Instruction set.
Extended adr
adr LSB
adr LSB
adr LSB
adr LSB
adr LSB
adr LSB
adr LSB
adr LSB
adr LSB
adr LSB
Byte 3
4.5ms
4.0ms
4.0ms
4.5ms
$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
Byte4
$00
$00
$00
$00
$00
169