參數(shù)資料
型號: M38503G4AFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 6.25 MHz, MICROCONTROLLER, PDSO42
封裝: 8.40 X 17.5 MM, 0.80 MM PITCH, PLASTIC, SSOP-42
文件頁數(shù): 16/59頁
文件大小: 885K
代理商: M38503G4AFP
Rev.2.13
Apr 17, 2009
Page 23 of 56
REJ03B0125-0213
3850 Group (Spec.A QzROM version)
Fig 19. Block diagram of timer X, timer Y, timer 1, and timer 2
Q
“1”
“0”
P27/CNTR0
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
latch
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
Prescaler 12 latch (8)
Prescaler 12 (8)
Timer 1 latch (8)
Timer 1 (8)
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
measurement
mode
Event
counter
mode
f(XIN)/16
(f(XCIN)/16 at low-speed mode)
f(XIN)/2
(f(XCIN)/2 at low-speed mode)
Timer X count source
selection bit
Timer Y count source
selection bit
Timer 12 count source
selection bit
f(XCIN)
Data bus
f(XIN)/16
(f(XCIN)/16 at low-speed mode)
f(XIN)/2
(f(XCIN)/2 at low-speed mode)
f(XIN)/16
(f(XCIN)/16 at low-speed mode)
Data bus
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