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參數(shù)資料
| 型號： | MC68HC05J3CP |
| 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, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 46/92頁 |
| 文件大?。?/td> | 912K |
| 代理商： | MC68HC05J3CP |
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MOTOROLA
6-10
MC68HC05J3
16-BIT PROGRAMMABLE TIMER
6
Figure 6-4 Timer state timing diagram for output compare
Figure 6-5 Timer state timing diagram for timer overow
Internal
processor clock
16-bit
counter
$F456
$F457
$F458
$F459
Internal
timer clocks
T00
T01
T11
T10
$F457
CPU writes $F457
Output compare
ag and TCMP
Note:
(1) The CPU write to the compare registers may take place at any time, but a compare only occurs at timer state
T01. Thus a four cycle difference may exist between the write to the compare register and the actual compare.
(2) The output compare ag is set at the timer state T11 that follows the comparison match ($F457 in this
example).
Output compare
register
Compare register
latch
(Note 2)
(Note 1)
Internal
processor clock
16-bit
counter
$FFFF
$0000
$0001
$0002
Internal
timer clocks
T00
T01
T11
T10
Note:
The timer overow ag is set at timer state T11 (transition of counter from $FFFF to $0000). It is cleared
by a read of the timer status register during the internal processor clock high time, followed by a read
of the counter low register.
Timer overow
ag
TPG
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 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 |
| MC68HC05J5AJDW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:8-bit microcontroller units |
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