参数资料
型号: M38049FFHKP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
封装: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64
文件页数: 43/118页
文件大小: 1202K
代理商: M38049FFHKP
Rev.1.01
Jan 25, 2005
page 28 of 114
REJ03B0131-0101Z
3804 Group (Spec. H)
Fig. 21 Block diagram of timer X, timer Y, timer 1, and timer 2
Q
“ 1
“ 0
P54/CNTR0
Q
P55/CNTR1
“ 0
“1”
R
T
f(XCIN)
C
lo
c
k
fo
r
ti
m
e
r
1
2
XIN
XCIN
(1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512, 1/1024)
Divider
C
lo
c
k
fo
r
ti
m
e
r
Y
C
lo
c
k
fo
r
ti
m
e
r
X
Count source
selection bit
CNTR0 active edge
switch bit
Port P54
direction register
Pulse output mode
Port P54
latch
CNTR0 active
edge switch bit
Toggle flip-flop
Pulse width
measurement
mode
Timer mode
Pulse output mode
Timer X count stop bit
Prescaler X (8)
Prescaler X latch (8)
Data bus
Timer X latch (8)
Timer X (8)
To timer X interrupt
request bit
To CNTR0 interrupt
request bit
Timer X latch write pulse
Pulse output mode
Clock for timer Y
Count source selection bit
Event
counter
mode
Pulse width
measurement
mode
Timer mode
Pulse output mode
Timer Y count stop bit
Event
counter
mode
“ 0
“ 1
CNTR1 active edge
switch bit
Prescaler Y (8)
Prescaler Y latch (8)
Data bus
Timer Y latch (8)
Timer Y (8)
To timer Y interrupt
request bit
To CNTR1 interrupt
request bit
Port P55
direction register
Pulse output mode
Port P55
latch
“ 1
“ 0
CNTR1 active
edge switch bit
Toggle flip-flop
Timer Y latch write pulse
Pulse output mode
Timer 2 latch (8)
Timer 2 (8)
To timer 2 interrupt
request bit
To timer 1 interrupt
request bit
Clock for timer 12
Prescaler 12 (8)
Prescaler 12 latch (8)
Data bus
Timer 1 latch (8)
Timer 1 (8)
“00”
“01”
“10”
Main clock
division ratio
selection bits
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