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參數(shù)資料
| 型號： | MC68HC05J3CDW |
| 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, PDSO20 |
| 封裝： | PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 39/92頁 |
| 文件大?。?/td> | 912K |
| 代理商： | MC68HC05J3CDW |
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MOTOROLA
6-4
MC68HC05J3
16-BIT PROGRAMMABLE TIMER
6
Bits 8 – 15 — MSB of counter/alternate counter register
A read of only the more signicant byte (MSB) transfers the LSB to a buffer, which remains xed
after the rst MSB read, until the LSB is also read.
Bits 0 – 7 — LSB of counter/alternate counter register
A read of only the less signicant byte (LSB) receives the count value at the time of reading.
6.2
Timer functions
The 16-bit programmable timer is monitored and controlled by a group of ten registers, full details
of which are contained in the following paragraphs. An explanation of the timer functions is
also given.
6.2.1
Timer control register – TCR
The timer control register at location $12 is used to enable the input capture (ICIE), output
compare (OCIE), and timer overow (TOIE) interrupt enable functions as well as selecting input
edge sensitivity (IEDG) and output level polarity (OLV).
ICIE — Input capture interrupt enable
1 (set)
–
Input capture interrupt enabled.
0 (clear) –
Input capture interrupt disabled.
OCIE — Output compare interrupt enable
1 (set)
–
Output compare interrupt enabled.
0 (clear) –
Output compare interrupt disabled.
TOIE — Timer overow interrupt enable
1 (set)
–
Timer overow interrupt enabled.
0 (clear) –
Timer overow interrupt disabled.
Address
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
Timer control (TCR)
$0012
ICIE
OCIE
TOIE
0
IEDG
OLV
0000 00u0
TPG
41
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關代理商/技術參數(shù) |
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|---|---|
| MC68HC05J3CP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit |
| MC68HC05J3DW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit |
| MC68HC05J3P | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit |
| MC68HC05J5A | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:8-bit microcontroller units |
| MC68HC05J5ADW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:8-bit microcontroller units |
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