ATmega169P Atmel Corporation, ATmega169P Datasheet - Page 73

• Manufacturer Part Number: ATmega169P
• Manufacturer: Atmel Corporation

Specifications of ATmega169P

• Flash (kbytes): 16 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 17
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Segment Lcd: 100
• 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 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

13.3.1
8018P–AVR–08/10
Alternate Functions of Port A
The Port A has an alternate function as COM0:3 and SEG0:3 for the LCD Controller.
Table 13-3.
Table 13-4
signals shown in
Table 13-4.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
and
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Port A Pins Alternate Functions
Overriding Signals for Alternate Functions in PA7..PA4
Table 13-5 on page 74
Figure 13-5 on page
PA7/SEG3
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
SEG3
Alternate Function
SEG3 (LCD Front Plane 3)
SEG2 (LCD Front Plane 2)
SEG1 (LCD Front Plane 1)
SEG0 (LCD Front Plane 0)
COM3 (LCD Back Plane 3)
COM2 (LCD Back Plane 2)
COM1 (LCD Back Plane 1)
COM0 (LCD Back Plane 0)
71.
relates the alternate functions of Port A to the overriding
PA6/SEG2
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
SEG2
PA5/SEG1
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
SEG1
ATmega169P
PA4/SEG0
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
SEG0
73