參數(shù)資料
型號: MC68HC05JB4DW
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 88/134頁
文件大小: 2440K
代理商: MC68HC05JB4DW
February 24, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05JB4
16-BIT TIMER
REV 2
SECTION 9
16-BIT TIMER
This 16-bit Programmable Timer (Timer1) has an Input Capture function and an
Output Compare function. Figure 9-1 shows a block diagram of the 16-bit pro-
grammable timer.
Figure 9-1. Programmable Timer Block Diagram
IEDG
ICIE
OCIE
T
OIE
TMRH ($0018) TMRL ($0019)
16-BIT COUNTER
÷ 4
INTERNAL
(fOSC ÷ 2)
TIMER CONTROL REGISTER
TIMER
REQUEST
O
VERFLO
W
(T
OF)
RESET
CLOCK
INTERRUPT
ACRH ($001A) ACRL ($001B)
16-BIT COMPARATOR
OCRH ($0016) OCRL ($0017)
ICAP1
EDGE
SELECT
& DETECT
ICF
OCF
TO
F
TIMER STATUS REGISTER
IEDG
ICF
OCF
$0012
$0013
INTERNAL DATA BUS
LOGIC
ICRH ($0014)
ICRL ($0015)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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