参数资料
型号: M38203E4-XXXFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80
封装: 0.80 MM PITCH, PLASTIC, QFP-80
文件页数: 40/69页
文件大小: 944K
代理商: M38203E4-XXXFP
Rev.4.01
Nov 14, 2003
page 45 of 136
3803/3804 Group
Fig. 32 Block diagram of timer Z
“1”
“0”
P42/INT1
P47/CNTR2
“0”
“1”
“001”
“100”
“101”
f(XCIN)
XIN
XCIN
Output level latch
Programmable one-shot
generating mode
Programmable one-shot
generating circuit
CNTR2 active edge
switch bit
Programmable one-shot
generating mode
Data bus
To timer Z interrupt
request bit
To CNTR2 interrupt
request bit
To INT1 interrupt
request bit
Programmable waveform
generating mode
Pulse output mode
CNTR2 active edge
switch bit
Pulse output mode
Timer Z low-order latch
Timer Z low-order
Timer Z high-order latch
Timer Z high-order
Timer Z operating
mode bits
Port P47
direction register
Port P47
latch
Pulse period measurement mode
Pulse width measurement mode
Edge detection circuit
Timer Z count stop bit
Count source
selection bit
(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
Z
CNTR2 active edge
switch bit
D
Q
T
TQ
Q
S
“1”
“0”
“1”
Timer/Event
counter mode
switch bit
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