參數(shù)資料
型號: M37542M2-XXXSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封裝: 8.9 X 28 MM, 1.78 MM PITCH, PLASTIC, SDIP-32
文件頁數(shù): 54/124頁
文件大?。?/td> 1238K
代理商: M37542M2-XXXSP
7542 Group
Rev.3.03
Jul 11, 2008
Page 33 of 117
REJ03B0006-0303
Fig. 31 Block diagram of timer 1 and timer X
Q
P14/CNTR0
R
T
1/16
1/2
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
1/1
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
Pulse output mode
P03/TXOUT output valid
Port P03 latch
Port P03
direction
register
Prescaler 1 latch (8)
Prescaler 1 (8)
Timer 1 latch (8)
Timer 1 (8)
1/16
Data bus
Timer 1 interrupt
request
Frequency
divider
XIN
On-chip
oscillator
“00”
“01”
“11”
“0”
“10”
Clock
division ratio
selection bits
CPU mode register
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