ATmega164P Automotive Atmel Corporation, ATmega164P Automotive Datasheet - Page 301

• Manufacturer Part Number: ATmega164P Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega164P Automotive

• Flash (kbytes): 16 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 32
• Usb Speed: No
• Usb Interface: No
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• 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: Yes
• Temp. Range (deg C): -40 to 125
• 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

7674F–AVR–09/09
Table 25-9.
Table 25-10. BS2 and BS1 Encoding
,
Table 25-11. Pin Values Used to Enter Programming Mode
Table 25-12. XA1 and XA0 Enoding
Table 25-13. Command Byte Bit Encoding
BS2
0
0
1
1
Programming Mode
Signal Name in
XA1
0
0
1
1
Command Byte
PAGEL
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
DATA
BS2
BS1
0
1
0
1
PAGEL
XA1
XA0
BS1
Pin
Pin Name Mapping
XA0
Flash / EEPROM
Address
Low Byte
High Byte
Extended High
Byte
Reserved
0
1
0
1
Pin Name
PB7-0
PD7
PA0
Command Executed
Write Fuse bits
Write Flash
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte determined
by BS2 and BS1).
Load Data (High or Low data byte for Flash determined by BS1).
Load Command
No Action, Idle
Chip Erase
Write Lock bits
Write EEPROM
Low Byte
Flash Data
Loading /
Reading
High Byte
Reserved
Reserved
I/O
I/O
I
I
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Symbol
Function
Program Memory and EEPROM data Page Load.
Byte Select 2.
Bi-directional Data bus (Output when OE is low).
ATmega164P/324P/644P
Fuse
Programming
Low Byte
High Byte
Extended Byte
Reserved
Value
Reading Fuse
and Lock Bits
Fuse Low Byte
Lockbits
Extended Fuse
Byte
Fuse High Byte
0
0
0
0
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