參數(shù)資料
型號: M34518M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù): 107/157頁
文件大小: 1783K
代理商: M34518M4-XXXFP
ML610Q411/ML610Q412/ML610Q415 User’s Manual
Chapter 4
MCU Control Function
4 – 8
4.2.7
Block Control Register 3(BLKCON3)
Address: 0F02BH
Access: R/W
Access size: 8 bits
Initial value: 00H
7
6
5
4
3
2
1
0
BLKCON3
DMD0
R/W
Initial value
0
BLKCON3 is a special function register (SFR) to make even more reducing current consumption by turning unused
peripherals off.
[Description of Bits]
DMD0 (bit 0)
The DMD0 bit is used to control Melody/Buzzer operation. When the DMD0 bit is set to “1”, the circuits related to
Melody/Buzzer are reset and turned off.
DMD0
Description
0
Enable operating Buzzer (initial value)
1
Disable operating Buzzer
Note:
When certain bits of block control registers are set to “1”, corresponding peripherals are reset (all registers are reset)
and operating clocks for the peripherals stop. Writing to every SFR (special function register) in the corresponding
peripherals is not valid while the bits of block control registers are set to “1” and returns the initial value for read.
Ensure the bits are reset to “0” before using the peripherals to enable the operation.
See Chapter 23, “Buzzer” for detail about operation of Buzzer.
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