MC68HC12 MOTOROLA [Motorola, Inc], MC68HC12 Datasheet - Page 243

• Manufacturer Part Number: MC68HC12
• Description: The MC68HC912DT128A microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC912DT128A — Rev 4.0
MOTOROLA
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 15-1. Timer Block Diagram in Latch Mode
EDG0
EDG1
EDG2
EDG3
EDG5
EDG6
EDG4
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
main timer
Enhanced Capture 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
ICLAT, LATQ, BUFEN
to modulus counter
(force latch)
Write $0000
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
(MDC latch enable)
RESET
RESET
RESET
RESET
LATQ
Enhanced Capture Timer
Technical Data
Introduction
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