Kontron PB-TIM2 Instrukcja Użytkownika Pobierz pdf (Strona 22)

Chapter 4 Programming PB-TIM2 User’s Manual

4.2 Register Allocation

4.2.1 Channel Control Register

Write Only Register

Channel 0 1 2

Address $01 $21 $41

Bit 7 6 5

4 3 2 1 0

Function Load Enable Clear

After Reset 0 0 0 0 0 0 0 0

Where • Clear : Clears the timer (all 0’s) and the output (Toggle flip-flop) when this bit is set to

• Enable : Enable timer operation (i.e. starts the timer or single measurement when this bit

is set to 1

• Load : Loads the timer with the Comparator/Preset register value when set to 1

4.2.2 Channel Mode Register

Write Only Register

Channel 0 1 2

Address $05 $25 $45

Bit 7 6 5

4 3 2 1 0

Function Output Reload Mode 1 Mode 0 B IN 1 B IN 0 A IN 1 A IN 0

After Reset 0 0 0 0 0 0 0 0

Where • A IN 0 and 1 : Defines the input mode

A IN 1 A IN 0 Mode

0 0 Rising Edge

0 1 Falling Edge

1 x Both Edges

• B IN 0 : Defines input (B) level or edge 0 active high - rising edge

1 active low - falling edge

• B IN 1 : Defines input (B) level or edge 0 level

1 edge operation

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 35 36

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