MC68HC705C9ACFB Freescale Semiconductor, MC68HC705C9ACFB Datasheet - Page 51
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MC68HC705C9ACFB
Manufacturer Part Number
MC68HC705C9ACFB
Description
IC MCU 16K 2.1MHZ OTP 44-QFP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC705C9ACPE.pdf
(118 pages)
Specifications of MC68HC705C9ACFB
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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Chapter 8
Capture/Compare Timer
8.1 Introduction
This section describes the operation of the 16-bit capture/compare timer.
of the capture/compare subsystem.
Freescale Semiconductor
STATUS
TIMER
REG.
$16
$17
HIGH
BYTE
INTERRUPT CIRCUIT
ICF OCF TOF $13
Figure 8-1. Capture/Compare Timer Block Diagram
COMPARE
OUTPUT
COMPARE
REGISTER
OUTPUT
CIRCUIT
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
LOW
BYTE
PROCESSOR
INTERNAL
CLOCK
÷4
INTERNAL BUS
³³³
ICIE
HIGH
BYTE
16-BIT FREE
ALTERNATE
OVERFLOW
REGISTER
COUNTER
COUNTER
RUNNING
DETECT
CIRCUIT
OCIE
8-BIT
BUFFER
TOIE
LOW
BYTE
$18
$19
$1A
$1B
IEDG OLVL
HIGH
BYTE
REGISTER
CAPTURE
DETECT
CIRCUIT
OUTPUT
EDGE
TIMER
CONTROL
REG.
$12
LOW
BYTE
INPUT
LEVEL
REG.
D
CLK
RESET
$14
$15
C
Q
Figure 8-1
OUTPUT
(TCMP)
LEVEL
shows the structure
(TCAP)
INPUT
EDGE
51