MC68HC705C8AB Freescale Semiconductor, MC68HC705C8AB Datasheet - Page 93
MC68HC705C8AB
Manufacturer Part Number
MC68HC705C8AB
Description
IC MCU 8K OTP 2.1MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC68HC705C8AB
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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8.3.2 Output Compare
MC68HC705C8A — Rev. 3
MOTOROLA
15
15
OUTPUT COMPARE REGISTER HIGH
COUNTER HIGH BYTE
$0016
The output compare function can generate an output signal when the
16-bit counter reaches a selected value. Software writes the selected
value into the output compare registers. On every fourth internal clock
cycle the output compare circuitry compares the value of the counter to
the value written in the output compare registers. When a match occurs,
the timer transfers the programmable output level bit (OLVL) from the
timer control register to the output compare pin (TCMP).
Software can use the output compare register to measure time periods,
to generate timing delays, or to generate a pulse of specific duration or
a pulse train of specific frequency and duty cycle on the TCMP pin.
Figure 8-4
TIMER STATUS REGISTER
Freescale Semiconductor, Inc.
Figure 8-4. Output Compare Operation
For More Information On This Product,
16-BIT COMPARATOR
$0012
8
shows the logic of the output compare function.
Go to: www.freescale.com
7
Capture/Compare Timer
OUTPUT COMPARE REGISTER LOW
COUNTER LOW BYTE
$0017
0
0
TIMER STATUS REGISTER
$0013
CONTROL
LOGIC
PIN
Capture/Compare Timer
INTERRUPT
REQUEST
TIMER
TCMP
Timer Operation
Technical Data
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