参数资料
型号: M37544M2-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, 1.78 MM PITCH, PLASTIC, SDIP-32
文件页数: 21/70页
文件大小: 645K
代理商: M37544M2-XXXSP
7544 Group
Rev.1.04
2004.06.08
page 26 of 66
REJ03B0012-0104Z
Fig. 26 Block diagram of timer 1 and timer A
Timer A (low-order) latch (8)
Timer A (low-order) (8)
Timer A (high-order) latch (8)
Timer A (high-order) (8)
Data bus
P00/CNTR1
CNTR1 active
edge switch bit
Rising edge detected
Falling edge detected
Timer A operation mode bit
Timer A count
stop bit
Prescaler 1 latch (8)
Prescaler 1 (8)
Timer 1 latch (8)
Timer 1 (8)
Data bus
Timer A interrupt
request bit
Timer 1 interrupt
request bit
Pulse width HL
continuously
measurement mode
Period measurement mode
f(XIN)/16
f(XIN)/2
On-chip oscillator clock RING
f(XIN)/16
f(XIN)/2
On-chip oscillator clock RING
Fig. 27 Block diagram of timer X
Q
P14/CNTR0
R
T
f(XIN)/16
f(XIN)/2
Timer X
interrupt
request bit
Toggle flip-flop
Timer X count stop bit
Pulse width
measurement
mode
Event
counter
mode
CNTR0
interrupt
request bit
Pulse output mode
Port P14
latch
Port P14 direction
register
CNTR0 active
edge switch bit
Timer mode
Pulse output
mode
CNTR0 active
edge switch bit
Timer X count
source selection bits
f(XIN)
P03/TXOUT
Prescaler X latch (8)
Prescaler X (8)
Timer X latch (8)
Timer X (8)
Data bus
“0”
“1”
“0”
“1”
Writing to timer X latch
P03/TXOUT output valid
Port P03 latch
Port P03
direction
register
Pulse output mode
Timer X write control bit
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