ATmega164P Automotive Atmel Corporation, ATmega164P Automotive Datasheet - Page 372

• 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

372
ATmega164P/324P/644P
16 SPI – Serial Peripheral Interface ......................................................... 161
17 USART ................................................................................................... 171
18 USART in SPI Mode ............................................................................. 199
19 2-wire Serial Interface .......................................................................... 209
16.1
16.2
16.3
16.4
16.5
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
17.9
17.10
17.11
17.12
18.1
18.2
18.3
18.4
18.5
18.6
18.7
18.8
19.1
19.2
19.3
19.4
19.5
19.6
Features ........................................................................................................161
Overview ........................................................................................................161
SS Pin Functionality ......................................................................................166
Data Modes ...................................................................................................166
Register Description ......................................................................................168
Features ........................................................................................................171
USART1 and USART0 ..................................................................................171
Overview ........................................................................................................171
Clock Generation ...........................................................................................173
Frame Formats ..............................................................................................176
USART Initialization .......................................................................................177
Data Transmission – The USART Transmitter ..............................................178
Data Reception – The USART Receiver .......................................................181
Asynchronous Data Reception ......................................................................185
Multi-processor Communication Mode ..........................................................188
Register Description ......................................................................................190
Examples of Baud Rate Setting .....................................................................195
Features ........................................................................................................199
Overview ........................................................................................................199
Clock Generation ...........................................................................................199
SPI Data Modes and Timing ..........................................................................200
Frame Formats ..............................................................................................200
Data Transfer .................................................................................................203
AVR USART MSPIM vs. AVR SPI ................................................................205
Register Description ......................................................................................206
Features ........................................................................................................209
2-wire Serial Interface Bus Definition ............................................................209
Data Transfer and Frame Format ..................................................................210
Multi-master Bus Systems, Arbitration and Synchronization .........................213
Overview of the TWI Module .........................................................................215
Using the TWI ................................................................................................217
7674F–AVR–09/09