参数资料
型号: M34551E8-XXXFP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, OTPROM, MICROCONTROLLER, PQFP48
封装: 7 X 10 MM, 0.65 MM PITCH, PLASTIC, QFP-48
文件页数: 151/154页
文件大小: 1778K
代理商: M34551E8-XXXFP
APPLICATION
2.3 Timers
2-19
4551 Group User’s Manual
(4)
Timer control register W3
The timer LC control bit is assigned to the bit 0, and timer LC count source selection bit is assigned
to the bit 1.
Set the contents of this register through register A with the TW3A instruction. The TAW3 instruction
can be used to transfer the contents of register W3 to register A.
Table 2.3.4 shows the timer control register W3.
Table 2.3.4 Timer control register W3
Timer control register W3
at reset : 002
at power down : state retained
R/W
Bit 3 of timer 2 is output (timer 2 count source divided by 16)
System clock (STCK)
Stop (timer LC state retained)
Operating
Timer LC count source selection
bit
Timer LC control bit
W31
W30
0
1
0
1
Note: “R” represents read enabled, and “W” represents write enabled.
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