參數(shù)資料
型號： M30102M3T-XXXFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP48
封裝： 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù)： 127/166頁
文件大?。?/td> 2060K
代理商： M30102M3T-XXXFP
Under
development
Tentative Specifications REV.E1
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30100/M30102 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timer 1
60
Figure 1.14.1. Block diagram of Timer 1
Timer 1
Timer 1 is an 8-bit timer with an 8-bit prescaler. Figure 1.14.1 shows the block diagram of Timer 1. The
timer constantly counts an internally generated count source (clock source). The count source after reset
is set to f1. The timer cannot stop counting. Table 1.14.2 shows the specifications of Timer 1 and Figure
1.14.2 shows Timer 1 related registers.
Clock source
selection
f1
f8
f32
fC32
Prescaler 1 (address 008816)
Peripheral data bus
Reload register (8)
Counter (8)
Reload register (8)
Counter (8)
Timer 1 (address 008916)
Timer 1 interrupt
request bit
fP1
Item
Specification
Count source
f1, f8, f32, fC32
Count operation
Down count
When the timer underflows, it reloads the reload register contents before continuing
counting
Divide ratio
1/(n+1)/(m+1) n : Set value of Prescaler 1, m: Set value of Timer 1
Count start condition
After reset
Count stop condition
Disable to stop counting
Interrupt request generation timing When Timer 1 underflows
Read from timer
Count value can be read out by reading Timer 1 register.
Same applies to Prescaler 1 register.
Write to timer
When a value is written to Timer 1 register, it is written to both reload register and
counter.
Same applies to Prescaler 1 register.
Table 1.14.2. Specifications of Timer 1 (Timer mode)
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