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參數(shù)資料
| 型號： | EM6821TQ52B |
| 英文描述： | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: 0°C to 70°C; Package: 8-EPSOIC |
| 中文描述： | 微控制器 |
| 文件頁數(shù)： | 34/69頁 |
| 文件大小： | 852K |
| 代理商： | EM6821TQ52B |
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EM6821
10/01, Revision A/386
Copyright
2001, EM Microelectronic-Marin SA
4
www.emmicroelectronic.com
1. Pin Description for EM6821
Chip
TQFP
52
DIL
64
Signal Name
Function
Remarks
1
10
VL1
Voltage multiplier level 1
LCD level 1 input, if external
supply selected
2
11
VL2
Voltage multiplier level 2
LCD level 2 input, if external
supply selected
3
12
VL3
Voltage multiplier level 3
LCD level 3 input, if external
supply selected
4
13
COM[1]
LCD back plane 1
5
14
COM[2]
LCD back plane 2
6
15
COM[3]
LCD back plane 3
7
16
COM[4]
LCD back plane 4
Not used if 3 times multiplexed
8
18
SEG[20]
LCD Segment 20
9
19
SEG[19]
LCD Segment 19
10
20
SEG[18]
LCD Segment 18
11
21
SEG[17]
LCD Segment 17
12
22
SEG[16]
LCD Segment 16
13
23
SEG[15]
LCD Segment 15
14
26
SEG[14]
LCD Segment 14
15
27
SEG[13]
LCD Segment 13
16
28
SEG[12]
LCD Segment 12
17
29
SEG[11]
LCD Segment 11
18
30
SEG[10]
LCD Segment 10
19
31
SEG[9]
LCD Segment 9
20
33
SEG[8]
LCD Segment 8
21
34
SEG[7]
LCD Segment 7
22
35
SEG[6]
LCD Segment 6
23
36
SEG[5]
LCD Segment 5
24
37
SEG[4]
LCD Segment 4
25
38
SEG[3]
LCD Segment 3
26
39
SEG[2]
LCD Segment 2
27
42
SEG[1]
LCD Segment 1
28
43
Reset
Input reset terminal,
internal pull-down 15 KOhm
Main reset
29
44
Test
Input test terminal,
internal pull-down 15 KOhm
For EM tests only, ground 0 !
Except when needed for MFP
programming
30
45
PSP[0]
Input/output , open drain
serial port : SIN
parallel out terminal 0
Serial interface data in
or
parallel data[0] in/out
31
46
PSP[1]
Output , open drain
serial port : Ready/CS
parallel out terminal 1
Serial interface Ready CS
or
parallel data[1] in/out
32
47
PSP[2]
Output , open drain
serial port : SOUT
parallel out terminal 2
Serial interface data out
or
parallel data[2] in/out
33
49
PSP[3]
Input/output , open drain
serial port : SCLK
parallel out terminal 3
Serial interface clock I/O
or
parallel data[3] in/out
34
50
PB[0]
Input/output, open drain
port B terminal 0
Port B data[0] I/O or
Ck[1] output
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