AT90CAN64 Atmel Corporation, AT90CAN64 Datasheet - Page 99

• Manufacturer Part Number: AT90CAN64
• Manufacturer: Atmel Corporation

Specifications of AT90CAN64

• Flash (kbytes): 64 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: 53
• Ext Interrupts: 8
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 2
• Can: 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): 4
• Eeprom (bytes): 2048
• 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: 4
• Output Compare Channels: 8
• Input Capture Channels: 2
• Pwm Channels: 7
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

12. 8-bit Timer/Counter0 with PWM
12.1
12.2
7679H–CAN–08/08
Features
Overview
Timer/Counter0 is a general purpose, single channel, 8-bit Timer/Counter module. The main
features are:
•
•
•
•
•
•
•
Many register and bit references in this section are written in general form.
A simplified block diagram of the 8-bit Timer/Counter is shown in
placement of I/O pins, refer to
including I/O bits and I/O pins, are shown in bold. The device-specific I/O Register and bit loca-
tions are listed in the
Figure 12-1. 8-bit Timer/Counter Block Diagram
• A lower case “n” replaces the Timer/Counter number, in this case 0. However, when using
• A lower case “x” replaces the Output Compare unit channel, in this case A. However, when
Single Channel Counter
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Frequency Generator
External Event Counter
10-bit Clock Prescaler
Overflow and Compare Match Interrupt Sources (TOV0 and OCF0A)
the register or bit defines in a program, the precise form must be used, i.e., TCNT0 for
accessing Timer/Counter0 counter value and so on.
using the register or bit defines in a program, the precise form must be used, i.e., OCR0A for
accessing Timer/Counter0 output compare channel A value and so on.
Timer/Counter
“8-bit Timer/Counter Register Description” on page
OCRnx
TCNTn
=
“Pin Configurations” on page
direction
count
clear
BOTTOM
= 0
Control Logic
=
TCCRn
TOP
0xFF
clk
AT90CAN32/64/128
Tn
5. CPU accessible I/O Registers,
Generation
Waveform
Figure
Clock Select
( From Prescaler )
Detector
Edge
109.
12-1. For the actual
OCn
(Int.Req.)
TOVn
(Int.Req.)
OCnx
Tn
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