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參數(shù)資料
| 型號： | HE84G762B |
| 廠商： | King Billion Electronics Co., Ltd. |
| 英文描述： | 8-BIT MICRO-CONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 37/60頁 |
| 文件大?。?/td> | 594K |
| 代理商： | HE84G762B |
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15.
Timer2
Timer2 is similar in structure to Timer1 except that clock source of Timer2 comes from the system clock
KING BILLION ELECTRONICS CO., LTD
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電
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HE84G762B
HE80004 Series
June 1, 2004
This specification is subject to change without notice. Please contact sales person for the latest version before use.
37
V0.92
“Fsys”/1.5. The system clock “Fsys” varies depending on the operation modes of the MCU.
The Timer2 consists of two 8-bit write-only preload registers T2H and T2L and 16-bit down counter. If
Timer2 is enabled, counter will decrement by one with each incoming clock pulse. Timer2 interrupt will
be generated when the counter underflows - counts down to FFFFH. And it will be automatically reloaded
with the value of T2H and T2L.
Please note that the interrupt signal is generated when counter counts from 0000H to FFFFH. If the value
of counter is N, and count down to FFFFH, the total count is N+1. The content of counter is zero when
system resets. Once it is enabled to count at this time, the interrupt will be generated immediately and
value of T2H and T2L will be loaded since the counter counts to FFFFH. So the T2H and T2L value
should be set before enabling Timer2.
The Timer2 related control registers are list as below:
Register Address
Field
Bit position Mode
Description
IER
0x02
TC2_IER
1
R/W
0: TC2 interrupt is disabled. (default)
1: TC2 interrupt is enabled.
Low byte of TC2 pre-load value
High byte of TC2 pre-load value
0: TC2 is disabled. (default)
1: TC2 is enabled.
T2L
T2H
0x05
0x06
T2L[7:0]
T2H[7:0]
7~0
7~0
W
W
OP1
0x09
TC2E
3
R/W
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相關(guān)代理商/技術(shù)參數(shù) |
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| HE84G763(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE84G763B | 制造商:KB 制造商全稱:KB 功能描述:8-BIT MICRO-CONTROLLER |
| HE84G770(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE84G770B | 制造商:KB 制造商全稱:KB 功能描述:8-BIT MICRO-CONTROLLER |
| HE850 | 制造商:HVPSI 制造商全稱:High Voltage Power Solutions, Inc. 功能描述:SECONDARY SURGE "LIGHTNING" ARRESTER |
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