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參數(shù)資料
| 型號： | HE85750 |
| 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)： | 15/23頁 |
| 文件大?。?/td> | 399K |
| 代理商： | HE85750 |
King Billion Electronics Co., Ltd
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HE85750
HE80000 SERIES
2003/7/30
This specification is subject to change without notice. Please contact sales person for the latest version before use.
15
V1.52E
TBS[3..0]
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Interrupt Frequency
2.048 KHz
1.024 KHz
512 Hz
256 Hz
128 Hz
64 Hz
32 Hz
16 Hz
8 Hz
4 Hz
2 Hz
1 Hz
0.5 Hz
13.
Watch Dog Timer
Watch Dog Timer (WDT) is designed to reset system automatically prevent system dead lock caused by
abnormal hardware activities or program execution. WDT needs to be enabled in Mask Option.
MO_WDTE Function
0
1
WDT disable
WDT enable
To use WDT function, “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.
WDT is the enabling signal generated by calculating 32768-clock overflow. Reset Register content is
same as TC1 (Timer1 clock), which uses the same clock count source. WDT function can be generated in
Normal, Slow and Idle Mode. However, WDT will not function during Sleep Mode (as the TC1 clock has
stopped.)
14.
Digital-to-Analog Converter
The Digital-to-Analog converter (DAC) converts 7-bit unsigned speech data written to PWMC data
register to proportional current.
PWMC register
DA & PWM Data
Control
Bit 7
0
1
Bit 6
Bit 5
Bit 4
DA and PWM output value
-
Bit 3
Bit 2
Bit 1
Bit 0
PWM O/P driver
-
-
PWME
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