參數(shù)資料
型號(hào): UPD17231MC
廠商: NEC Corp.
元件分類(lèi): 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁(yè)數(shù): 44/92頁(yè)
文件大小: 378K
代理商: UPD17231MC
Data Sheet U14360EJ1V0DS00
μ
PD17230, 17231, 17232, 17233, 17234, 17235, 17236
44
(2) Where f
X
= 4 MHz, Rf
X
= f
X
(original oscillation)
Set Value
t
H
(
μ
s)
t
L
(
μ
s)
1/f
C
(
μ
s)
f
C
(kHz)
Duty
NRZHTMM
NRZLTMM
00H
00H
0.25
0.25
0.5
2000
1/2
01H
02H
0.5
0.75
1.25
800
2/5
04H
04H
1.25
1.25
2.5
400
1/2
09H
09H
2.5
2.5
5.0
200
1/2
0FH
10H
4.0
4.25
8.25
121
1/2
0FH
21H
4.0
8.5
12.5
80
1/3
11H
21H
4.5
8.5
13.0
76.9
1/3
11H
22H
4.5
8.75
13.25
75.47
1/3
19H
35H
6.5
13.5
20.0
50
1/3
3FH
3FH
16.0
16.0
32.0
31.25
1/2
7FH
7FH
32.0
32.0
60.0
16.6
1/2
REM
(f
C
)
t
H
t
L
1/f
C
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