參數(shù)資料
型號(hào): MC68HC05C9AFN
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 115/160頁
文件大?。?/td> 4128K
代理商: MC68HC05C9AFN
NON-DISCLOSURE
AGREEMENT
REQUIRED
Capture/Compare Timer
General Release Specification
MC68HC05C9A Rev. 4.0
Capture/Compare Timer
Figure 8-1. Capture/Compare Timer Block Diagram
8.3 Timer Operation
The core of the capture/compare timer is a 16-bit free-running counter.
The counter provides the timing reference for the input capture and
output compare functions. The input capture and output compare
functions provide a means to latch the times at which external events
occur, to measure input waveforms, and to generate output waveforms
and timing delays. Software can read the value in the 16-bit free-running
counter at any time without affecting the counter sequence.
Because of the 16-bit timer architecture, the I/O registers for the input
capture and output compare functions are pairs of 8-bit registers.
INPUT
CAPTURE
REGISTER
CLOCK
INTERNAL BUS
OUTPUT
COMPARE
REGISTER
HIGH
BYTE
LOW
BYTE
$16
$17
÷4
INTERNAL
PROCESSOR
16-BIT FREE
RUNNING
COUNTER
ALTERNATE
REGISTER
8-BIT
BUFFER
HIGH
BYTE
LOW
BYTE
$1A
$1B
$18
$19
HIGH
BYTE
LOW
BYTE
$14
$15
OUTPUT
COMPARE
CIRCUIT
OVERFLOW
DETECT
CIRCUIT
EDGE
DETECT
CIRCUIT
TIMER
STATUS
REG.
ICF OCF TOF $13
ICIE
IEDG OLVL
OUTPUT
LEVEL
REG.
RESET
TIMER
CONTROL
REG.
$12
OUTPUT
LEVEL
(TCMP)
INTERRUPT CIRCUIT
TOIE
OCIE
EDGE
INPUT
(TCAP)
D
CLK
C
Q
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.
相關(guān)PDF資料
PDF描述
MC9S08GB32CFU 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
MC9S12A128BCFU 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
MCF5272VF66 32-BIT, 66 MHz, RISC PROCESSOR, PBGA196
MC68HSC05C8AP 8-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PDIP40
MC9S12KG64CPV 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC05C9AMB 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AMFB 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AMFN 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AMP 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AP 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers