參數(shù)資料
型號: m789436
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-Bit Single-Chip Microcontrollers
中文描述: 8位單芯片微控制器
文件頁數(shù): 36/144頁
文件大小: 1378K
代理商: M789436
CHAPTER 6 16-BIT TIMER
User’s Manual U15075EJ1V0UM00
130
Make the following settings when stopping the main system clock oscillation to support low current consumption
and releasing the HALT mode.
Count clock:
Subsystem clock
CPU clock:
Subsystem clock
Main system clock:
Oscillation stopped
BZOE90:
1 (Buzzer output enabled)
At this time, when the setting of P21, the buzzer output alternate function pin, is “PM21 = 0, P21 = 0”, a square
wave of the buzzer frequency is output from P21. To avoid outputting the buzzer frequency, make either of the
following settings.
Set P21 to input mode (PM21 = 1)
If P21 cannot be set to input mode, set the port latch value of P21 to 1 (P21 = 1) (In this case, a high level is
output from P21)
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