ATmega8515 Atmel Corporation, ATmega8515 Datasheet - Page 74

• Manufacturer Part Number: ATmega8515
• Manufacturer: Atmel Corporation

Specifications of ATmega8515

• Flash (kbytes): 8 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: 35
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 3
• Input Capture Channels: 1
• Pwm Channels: 3
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

Alternate Functions of Port E
74
ATmega8515(L)
The Port E pins with alternate functions are shown in Table 38.
Table 38. Port E Pins Alternate Functions
The alternate pin configuration is as follows:
• OC1B – Port E, Bit 2
OC1B, Output Compare Match B output: The PE2 pin can serve as an external output
for the Timer/Counter1 Output Compare B. The pin has to be configured as an output
(DDE2 set (one)) to serve this function. The OC1B pin is also the output pin for the PWM
mode timer function.
• ALE – Port E, Bit 1
ALE is the external Data memory Address Latch Enable signal.
• ICP/INT2 – Port E, Bit 0
ICP – Input Capture Pin: The PE0 pin can act as an Input Capture pin for
Timer/Counter1.
INT2, External Interrupt Source 2: The PE0 pin can serve as an external interrupt
source.
Table 39 relate the alternate functions of Port E to the overriding signals shown in Figure
33 on page 64.
Table 39. Overriding Signals for Alternate Functions PE2..PE0
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Port Pin
PE2
PE1
PE0
Alternate Function
OC1B (Timer/Counter1 Output Compare B Match Output)
ALE (Address Latch Enable to External Memory)
ICP (Timer/Counter1 Input Capture Pin)
INT2 (External Interrupt 2 Input)
PE2
0
0
0
0
OC1B OVERRIDE ENABLE
OC1B
0
0
0
–
PE1
SRE
0
SRE
1
SRE
ALE
0
0
0
–
PE0
0
0
0
0
0
0
INT2 ENABLED
1
INT2 INPUT, ICP INPUT
–
2512K–AVR–01/10