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參數(shù)資料
| 型號： | HE84760B |
| 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)： | 30/51頁 |
| 文件大?。?/td> | 487K |
| 代理商： | HE84760B |
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17.
Watch Dog Timer
Watch Dog Timer (WDT) is designed to reset system automatically and prevents system dead lock caused
KING BILLION ELECTRONICS CO., LTD
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HE84760B
HE80004 Series
June 29, 2005
This specification is subject to change without notice. Please contact sales person for the latest version before use.
30
V1.0
by abnormal hardware activities or program execution. The WDT needs to be enabled in Mask Option.
MO_WDTE
0
1
Function
WDT disable
WDT enable
Using the WDT function, the “CLRWDT” instruction needs to be executed in every possible program
path when the program runs normally in order to clears the WDT counter before it overflows, so that the
program can operate normally. When abnormal conditions happen to cause the MCU to divert from
normal path, the WDT counter will not be cleared and reset signal will be generated to reset the system.
The WDT clock source is the same as TC1 (Timer1 clock), and the WDT reset signal is generated when
the counter had counted 32768 clock. The WDT can function in Normal, Slow and Idle Mode. However,
WDT will not function during Sleep Mode (as the TC1 clock has stopped.)
18.
Voice Output
There are 7 or 8 bits DAC/PWM voice output available for user. The 7 bits DAC/PWM output format and
configuration are the same as the previous IC of HE80000 series. The 8 bits DAC/PWM format and
configuration are new designed and controlled by the VOC and PWMC registers. The selection of 7/8 bits
DAC/PWM output is by mask option
MO_8BVOC.
MO_8BVOC
0
1
Function
7-bit DAC/PWM output
8-bit DAC/PWM output
8-Bit DAC/PWM Output:
The Digital-to-Analog converter converts the 8-bit unsigned speech data which is written into PWMC
data register to proportional current output.
PWMC
Field
address Reset
0x0E
bit 7
DA7
bit 6
DA6
bit 5
DA5
bit 4
DA4
bit 3
DA3
bit 2
DA2
bit 1
DA1
bit 0
DA0
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PDF描述 |
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| HE84760 | 8-bit Micro-controller |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HE84761 | 制造商:KB 制造商全稱:KB 功能描述:8-bit Micro-controller |
| HE84761(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE84762(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE84770 | 制造商:KB 制造商全稱:KB 功能描述:8-bit Micro-controller |
| HE84770(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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