參數(shù)資料
型號(hào)： M38514M6-XXXSP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PDIP42
封裝： 0.600 INCH, PLASTIC, SDIP-42
文件頁(yè)數(shù)： 14/91頁(yè)
文件大?。?/td> 1295K
代理商： M38514M6-XXXSP
21
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3851 Group
(Built-in 24 KB or more ROM)
Fig. 17 Block diagram of timer X, timer Y, timer 1, and timer 2
Q
“1”
“0”
P27/CNTR0/SRDY1
Q
P40/CNTR1
“0”
“1”
R
“1”
“0”
“1”
T
Prescaler X latch (8)
Prescaler X (8)
Timer X latch (8)
Timer X (8)
To timer X interrupt
request bit
Toggle flip-flop
Timer X count stop bit
Pulse width
measurement
mode
Event
counter
mode
To CNTR0 interrupt
request bit
Pulse output mode
Port P27
Port P27
direction register
CNTR0 active
edge selection
bit
Timer X latch write pulse
Pulse output mode
Timer mode
Pulse output mode
Prescaler Y latch (8)
Prescaler Y (8)
Timer Y latch (8)
Timer Y (8)
To timer Y interrupt
request bit
Toggle flip-flop
Timer Y count stop bit
To CNTR1 interrupt
request bit
Pulse output mode
Port P40
latch
Port P40
direction register
CNTR1 active
edge selection
bit
Timer Y latch write pulse
Pulse output mode
Timer mode
Pulse output mode
Data bus
Prescaler 12 latch (8)
Prescaler 12 (8)
Timer 1 latch (8)
Timer 1 (8)
Data bus
Timer 2 latch (8)
Timer 2 (8)
To timer 2 interrupt
request bit
To timer 1 interrupt
request bit
CNTR0 active edge
selection bit
CNTR1 active edge
selection bit
Pulse width
measure-
ment mode
Event
counter
mode
f(XCIN)
Timer 12 count source selection bit
f(XIN)/16
f(XIN)/2
Timer Y count source selection bit
f(XIN)/16
f(XIN)/2
Timer X count source selection bit
f(XIN)/16
(f(XCIN)/16 at low-speed mode)
(f(XCIN)/2 at low-speed mode)
(f(XCIN)/16 at low-speed mode)
(f(XCIN)/2 at low-speed mode)
(f(XCIN)/16 at low-speed mode)
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