参数资料
型号: M38867E8AFS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, UVPROM, 5 MHz, MICROCONTROLLER, CQCC80
封装: 0.80 MM PITCH, CERAMIC, LCC-80
文件页数: 35/113页
文件大小: 1871K
代理商: M38867E8AFS
25
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 20 Block diagram of timer X, timer Y, timer 1, and timer 2
Q
“1”
“0”
P54/CNTR0
Q
P55/CNTR1
1/16
f(XIN)
“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 P54
latch
Port P54
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 P55
latch
Port P55
direction register
CNTR1 active
edge selection
bit
Timer Y latch write pulse
Pulse output mode
Timer mode
Pulse output mode
Data bus
Divider
Oscillator
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
1/16
f(XIN)
Divider
Oscillator
1/16
f(XIN)
Divider
Oscillator
f(XCIN)
Oscillator
“0”
“1”
Timer Y count source
selection bit
(f(XCIN) in low-speed mode)
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