MC912DG128A Motorola, MC912DG128A Datasheet - Page 190

• Manufacturer Part Number: MC912DG128A
• Description: Microcontrollers
• Manufacturer: Motorola

Enhanced Capture Timer
MC68HC912DT128A Rev 2.0
190
M clock
PT0
PT1
PT2
PT3
PT4
PT5
PT6
PT7
Prescaler
Pin logic
Pin logic
Pin logic
Pin logic
Pin logic
Pin logic
Pin logic
Pin logic
1, 2, ..., 128
Figure 26 Timer Block Diagram in Queue Mode
EDG0
EDG1
EDG2
EDG3
EDG4
EDG5
EDG6
EDG7
Delay counter
Delay counter
Delay counter
Delay counter
MUX
MUX
MUX
MUX
16 BIT MAIN TIMER
16-bit Free-running
EDG0
EDG1
EDG2
EDG3
Enhanced Capture Timer
main timer
TC0 capture/compare register
TC1 capture/compare register
TC2 capture/compare register
TC3 capture/compare register
TC4 capture/compare register
TC5 capture/compare register
TC6 capture/compare register
TC7 capture/compare register
TC2H hold register
TC0H hold register
TC1H hold register
TC3H hold register
M clock
Comparator
Comparator
Comparator
Comparator
Comparator
Comparator
Comparator
Comparator
Prescaler
1, 4, 8, 16
LATQ, BUFEN
(queue mode)
Read TC3H
Read TC2H
Read TC1H
Read TC0H
hold register
hold register
hold register
hold register
PA0H hold register
PA1H hold register
PA2H hold register
PA3H hold register
PAC0
PAC1
PAC2
PAC3
0
0
0
0
16-bit modulus
down counter
16-bit load register
RESET
RESET
RESET
RESET
MOTOROLA
4-ect