ATmega168 Automotive Atmel Corporation, ATmega168 Automotive Datasheet - Page 171

• 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

21.7
7701E–AVR–02/11
High-voltage Serial Programming
This section describes how to program and verify Flash Program memory, EEPROM Data
memory, Lock bits and Fuse bits in the Atmel
Figure 21-3. High-voltage Serial Programming
Table 21-12. Pin Name Mapping
The minimum period for the Serial Clock Input (SCI) during High-voltage Serial Programming
is 220ns.
Table 21-13. Pin Values Used to Enter Programming Mode
Signal Name in High-voltage
Serial Programming Mode
SDI
SII
SDO
SCI
Pin
PA0
PA1
PA2
SCI
+11.5 - 12.5V
Symbol
Prog_enable[0]
Prog_enable[1]
Prog_enable[2]
Atmel ATtiny24/44/84 [Preliminary]
PB3
PB0
GND
Pin Name
PA6
PA5
PA4
PB0
(RESET)
®
ATtiny24/44/84.
I/O
I
I
O
I
VCC
PA4
PA5
PA6
Function
Serial Data Input
Serial Instruction Input
Serial Data Output
Serial Clock Input (min. 220ns period)
+1.8 - 5.5V
SDO
SII
SDI
Value
0
0
0
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