概述:M34300N4-587SP是日本三菱半导体出品的一款CRT彩色电视机CPU微处理器IC芯片,M34300N4-587SP彩电42引脚DIP封装工艺。
一、M34300N4-587SP引脚功能与实测电压
管脚 |
功能 |
电压 |
1 |
OUT |
0 |
2 |
PAL |
0 |
3 |
SECAM |
0 |
4 |
3.58NTSC |
0 |
5 |
TV/VIDEO |
5 |
6 |
4.43NTSC |
0 |
7 |
RESET |
4.7 |
8 |
AFTIN |
3 |
9 |
H.SYNC |
4.5 |
10 |
CONT |
1.8 |
11 |
COLOR |
1.5 |
12 |
BRIGHT |
1.8 |
13 |
VOL |
0 |
14 |
RMT |
4.7 |
15 |
50/60 |
0 |
16 |
PAL |
0 |
17 |
SECAM |
0 |
18 |
NTSC |
0 |
19 |
TEST |
0 |
20 |
VT |
4.4 |
21 |
GND |
0 |
22 |
KEYIN |
4.6 |
23 |
KEYIN |
4.5 |
24 |
KEYIN |
4.6 |
25 |
KEYIN |
4.6 |
26 |
KEYOUT |
4 |
27 |
KEYOUT |
0 |
28 |
KEYOUT |
0 |
29 |
KEYOUT |
0 |
30 |
REFDEFEAT |
2.6 |
31 |
SW |
0 |
32 |
BV/BU |
0 |
33 |
POWER |
0 |
34 |
XIN |
0.3 |
35 |
XOUT |
2.1 |
36 |
NO.SYNC.OUT |
5 |
37 |
EXT.MUTE |
0 |
38 |
V.SYNC |
4.6 |
39 |
H.SYNC |
3.3 |
40 |
OSC1 |
0.1 |
41 |
OSC2 |
0.1 |
42 |
VCC |
5 |
网友评论