at90pwm81-16se ATMEL Corporation, at90pwm81-16se Datasheet - Page 316

• Manufacturer Part Number: at90pwm81-16se
• Description: 8-bit Avr Microcontroller With 8k Bytes In- System Programmable Flash
• Manufacturer: ATMEL Corporation

316
AT90PWM81
8
9
10
11
12
13
System Control and Reset .....................................................................................49
Interrupts ..............................................................................................................61
I/O-Ports ................................................................................................................66
External Interrupts ...............................................................................................82
Reduced 16-bit Timer/Counter1 ..........................................................................84
Power Stage Controller – (PSCn) ........................................................................99
7.8Register description ................................................................................................................ 47
8.1System Control overview ....................................................................................................... 49
8.2System Control registers ........................................................................................................ 53
8.3Internal Voltage Reference ..................................................................................................... 54
8.4Watchdog Timer ..................................................................................................................... 55
9.1Interrupt Vectors in AT90PWM81 ........................................................................................ 61
10.1Introduction .......................................................................................................................... 66
10.2Ports as General Digital I/O ................................................................................................. 67
10.3Alternate Port Functions ....................................................................................................... 71
10.4Register Description for I/O-Ports ....................................................................................... 80
12.1Overview .............................................................................................................................. 84
12.2Accessing 16-bit Registers ................................................................................................... 86
12.3Timer/Counter Clock Sources .............................................................................................. 89
12.4Counter Unit ......................................................................................................................... 90
12.5Input Capture Unit ................................................................................................................ 91
12.6Modes of Operation .............................................................................................................. 93
12.7Timer/Counter Timing Diagrams ......................................................................................... 94
12.816-bit Timer/Counter Register Description .......................................................................... 95
13.1Features ................................................................................................................................ 99
13.2Overview .............................................................................................................................. 99
13.3PSC Description ................................................................................................................. 100
13.4Signal Description .............................................................................................................. 102
13.5Functional Description ....................................................................................................... 104
13.6Update of Values ................................................................................................................ 109
13.7Enhanced Resolution .......................................................................................................... 110
13.8PSC Inputs .......................................................................................................................... 113
13.9PSC Input Mode 1: Stop signal, Jump to Opposite Dead-Time and Wait ......................... 120
13.10PSC Input Mode 2: Stop signal, Execute Opposite Pulse and Wait ................................ 121
7734M–AVR–03/10