MC68HC705C8ACFN Freescale Semiconductor, MC68HC705C8ACFN Datasheet - Page 89
MC68HC705C8ACFN
Manufacturer Part Number
MC68HC705C8ACFN
Description
IC MCU 4MHZ 8K OTP 44-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8ACFN.pdf
(222 pages)
Specifications of MC68HC705C8ACFN
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
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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8.1 Contents
8.2 Introduction
8.3 Timer Operation
MC68HC705C8A — Rev. 3
MOTOROLA
Technical Data — MC68HC705C8A
8.2
8.3
8.3.1
8.3.2
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
This section describes the operation of the 16-bit capture/compare timer.
Figure 8-1
summary of the timer input/output (I/O) registers.
The core of the capture/compare timer is a 16-bit free-running counter.
The counter is the timing reference for the input capture and output
compare functions. The input capture and output compare functions can
latch the times at which external events occur, measure input
waveforms, and generate output waveforms and timing delays. Software
can read the value in the counter at any time without affecting the
counter sequence.
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Timer Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Timer I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Input Capture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Output Compare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Timer Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Timer Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Timer Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Alternate Timer Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Input Capture Registers . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Output Compare Registers. . . . . . . . . . . . . . . . . . . . . . . . . 101
shows the structure of the timer module.
Go to: www.freescale.com
Section 8. Capture/Compare Timer
Capture/Compare Timer
Figure 8-2
Technical Data
is a
89