MC68HC711KS2MFN4 Freescale Semiconductor, MC68HC711KS2MFN4 Datasheet - Page 204

• Manufacturer Part Number: MC68HC711KS2MFN4
• Description: 32K EPROM - SLOW MODE
• Manufacturer: Freescale Semiconductor

Timing System
Technical Data
204
PAI/OC1
MAIN TIMER
PA7/
FROM
FROM
DDA7
OC1
FROM MAIN TIMER
E
64 CLOCK
OUTPUT
BUFFER
Registers involved in pulse accumulator operation include:
EDGE DETECTION
INPUT BUFFER
•
•
•
•
•
AND
Data direction register A (DDRA)
Pulse accumulator control register (PACTL)
Timer interrupt mask 2 register (TMSK2)
Timer interrupt flag 2 (TFLG2)
Pulse accumulator count register (PACNT)
Figure 9-21. Pulse Accumulator
INTERRUPT ENABLES
Timing System
TMSK2
CONTROL
PACTL
MUX
2:1
PAEN
CLOCK
PAEN
PAI EDGE
DATA BUS
INTERNAL
STATUS FLAGS
8-BIT COUNTER
OVERFLOW
ENABLE
PACNT
TFLG2
M68HC11K Family
INTERRUPT
REQUESTS
MOTOROLA
1
2