XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 172

• Manufacturer Part Number: XC912BC32CFU8
• Description: M68HC12B Family Data Sheet
• Manufacturer: Motorola Semiconductor Products

Enhanced Capture Timer (ECT) Module
Data Sheet
172
P CLOCK
PT0
PT1
PT2
PT3
PT4
PT5
PT6
PT7
÷ 1, 2, ..., 128
LOGIC
LOGIC
LOGIC
LOGIC
LOGIC
LOGIC
LOGIC
PRESCALER
LOGIC
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
Figure 13-1. Timer Block Diagram in Latch Mode
EDG0
EDG1
EDG2
EDG3
EDG5
EDG6
EDG4
EDG7
COUNTER
COUNTER
COUNTER
COUNTER
DELAY
DELAY
DELAY
DELAY
16 BIT MAIN TIMER
MUX
MUX
MUX
MUX
Enhanced Capture Timer (ECT) Module
16-BIT FREE-RUNNING
MAIN TIMER
EDG0
EDG1
EDG2
EDG3
TC0 CAPTURE/COMPARE
TC1 CAPTURE/COMPARE
TC2 CAPTURE/COMPARE
TC3 CAPTURE/COMPARE
TC4 CAPTURE/COMPARE
TC5 CAPTURE/COMPARE
TC6 CAPTURE/COMPARE
TC7 CAPTURE/COMPARE
M CLOCK
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
TC3H HOLD
TC0H HOLD
REGISTER
REGISTER
TC1H HOLD
TC2H HOLD
REGISTER
REGISTER
PRESCALER
÷ 1, 4, 8, 16
ICLAT, LATQ, BUFEN
(FORCE LATCH)
TO MODULUS
WRITE $0000
COUNTER
PA0H HOLD
PA1H HOLD
PA2H HOLD
PA3H HOLD
REGISTER
REGISTER
REGISTER
REGISTER
16-BIT LOAD REGISTER
PAC0
PAC1
PAC2
PAC3
0
0
0
0
M68HC12B Family — Rev. 8.0
DOWN COUNTER
16-BIT MODULUS
RESET
RESET
RESET
RESET
(MDC LATCH
ENABLE)
LATQ
MOTOROLA