MC68HC711G5 MOTOROLA [Motorola, Inc], MC68HC711G5 Datasheet - Page 88
MC68HC711G5
Manufacturer Part Number
MC68HC711G5
Description
High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC711G5.pdf
(195 pages)
- Current page: 88 of 195
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PAIF — Pulse Accumulator Input Edge Flag
TO2F — Timer Overflow 2 Flag
5/6F — Input Capture 5/Output Compare 6 Flag
6/7F — Input Capture 6/Output Compare 7 Flag
6.4.19 Count Register (PACNT)
PACNT is a read/write 8-bit counter register which is not initialized by reset. The PACTL register
contains four control bits which enable and configure the pulse accumulator system. The pulse
accumulator uses Port A bit 7 as its PAI input but this pin can also serve as a general purpose I/O
pin and as the timer output compare OC1 output.
READ:
WRITE:
RESET:
MOTOROLA
6-18
RESET:
Set when the selected edge is detected at the PAI input pin. In event mode the event edge
triggers PAIF and in gated time accumulation mode the trailing edge of the gate signal
at the PAI input pin triggers PAIF. This bit is cleared by writing to the TFLG2 register with
bit 4 set.
Set when 16-bit free-running timer 2 overflows from $FFFF to $0000. This bit is cleared
by writing to the TFLG2 register with bit 3 set.
Set by input capture IC5 or output compare OC6, depending on which function is
selected. This bit is cleared by writing to the TFLG2 register with bit 2 set.
Set by input capture IC6 or output compare OC7, depending on which function is
selected. This bit is cleared by writing to the TFLG2 register with bit 1 set.
Any time (returns count from pulse accumulator counter).
Any time.
Indeterminate.
$1027
BIT7
U
7
BIT6
U
6
BIT5
U
5
PROGRAMMABLE TIMER
BIT4
U
4
BIT3
U
3
BIT2
U
2
BIT1
U
1
BIT0
U
0
PACNT
MC68HC11G5
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