ATMEGA16L_14 Datasheet, PDF (351/357 Pages) ATMEL Corporation – High Endurance Non-volatile Memory segments

Idle Mode 33
ADC Noise Reduction Mode 33
Power-down Mode 33
Power-save Mode 33
Standby Mode 34
Extended Standby Mode 34
Minimizing Power Consumption 35
System Control and Reset 37
Internal Voltage Reference 42
Watchdog Timer 42
Interrupts 45
Interrupt Vectors in ATmega16 45
I/O Ports 50
Introduction 50
Ports as General Digital I/O 50
Alternate Port Functions 55
Register Description for I/O Ports 66
External Interrupts 68
8-bit Timer/Counter0 with PWM 71
Overview 71
Timer/Counter Clock Sources 72
Counter Unit 72
Output Compare Unit 73
Compare Match Output Unit 74
Modes of Operation 76
Timer/Counter Timing Diagrams 81
8-bit Timer/Counter Register Description 83
Timer/Counter0 and Timer/Counter1 Prescalers 87
16-bit Timer/Counter1 89
Overview 89
Accessing 16-bit Registers 92
Timer/Counter Clock Sources 94
Counter Unit 95
Input Capture Unit 96
Output Compare Units 98
Compare Match Output Unit 100
Modes of Operation 101
Timer/Counter Timing Diagrams 108
16-bit Timer/Counter Register Description 110
ii ATmega16(L)
2466T–AVR–07/10