參數(shù)資料
型號(hào)： M34514M8-759FP
廠(chǎng)商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述： 單芯片4位微機(jī)的CMOS
文件頁(yè)數(shù)： 28/106頁(yè)
文件大小： 1304K
代理商： M34514M8-759FP
28
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
Count source
Instruction clock
Prescaler output (ORCLK)
Timer 1 underflow
Prescaler output (ORCLK)
CNTR0 input
16-bit counter underflow
Timer 2 underflow
Prescaler output (ORCLK)
Timer 3 underflow
Prescaler output (ORCLK)
CNTR1 input
Instruction clock
Structure
Frequency divider
8-bit programmable
binary down counter
(link to EXF0)
8-bit programmable
binary down counter
8-bit programmable
binary down counter
(link to EXF1)
8-bit programmable
binary down counter
16-bit fixed dividing
frequency
Circuit
Prescaler
Timer 1
Timer 2
Timer 3
Timer 4
16-bit timer
Use of output signal
Timer 1, 2, 3 and 4 count sources
Timer 2 count source
CNTR0 output
Timer 1 interrupt
Timer 3 count source
Timer 2 interrupt
CNTR0 output
Timer 4 count source
Timer 3 interrupt
CNTR1 output
Timer 4 interrupt
CNTR1 output
Watchdog timer
(The 15th bit is counted twice)
Timer 2 count source
(16-bit counter underflow)
Frequency
dividing ratio
4, 16
1 to 256
1 to 256
1 to 256
1 to 256
65536
Control
register
W1
W1
W6
W2
W6
W3
W6
W4
W6
The 4513/4514 Group timer consists of the following circuits.
Prescaler : frequency divider
Timer 1 : 8-bit programmable timer
Timer 2 : 8-bit programmable timer
Timer 3 : 8-bit programmable timer
Timer 4 : 8-bit programmable timer
(Timers 1 to 4 have the interrupt function, respectively)
16-bit timer
Prescaler and timers 1 to 4 can be controlled with the timer control
registers W1 to W6. The 16-bit timer is a free counter which is not
controlled with the control register.
Each function is described below.
Table 9 Function related timers
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