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EM6621 Datasheet(PDF) 4 Page - EM Microelectronic - MARIN SA

Part No. EM6621
Description  Ultra Low Power Microcontroller with 4x20 LCD Driver
Download  69 Pages
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
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EM6621 Datasheet(HTML) 4 Page - EM Microelectronic - MARIN SA

 
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EM6621
© EM Microelectronic-Marin SA, 03/99, Rev. B/
03/02 REV. D/444
Copyright
 2002, EM Microelectronic-Marin SA
4
www.emmicroelectronic.com
1. Pin Description for EM6621
Chip
TQFP
52
DIL
64
Signal Name
Function
Remarks
1
1
10
VL1
Voltage multiplier level 1
LCD level 1 input, if external
supply selected
2
2
11
VL2
Voltage multiplier level 2
LCD level 2 input, if external
supply selected
3
3
12
VL3
Voltage multiplier level 3
LCD level 3 input, if external
supply selected
4
4
13
COM[1]
LCD back plane 1
5
5
14
COM[2]
LCD back plane 2
6
6
15
COM[3]
LCD back plane 3
7
7
16
COM[4]
LCD back plane 4
Not used if 3 times multiplexed
8
8
18
SEG[20]
LCD Segment 20
9
9
19
SEG[19]
LCD Segment 19
10
10
20
SEG[18]
LCD Segment 18
11
11
21
SEG[17]
LCD Segment 17
12
12
22
SEG[16]
LCD Segment 16
13
13
23
SEG[15]
LCD Segment 15
14
14
26
SEG[14]
LCD Segment 14
15
15
27
SEG[13]
LCD Segment 13
16
16
28
SEG[12]
LCD Segment 12
17
17
29
SEG[11]
LCD Segment 11
18
18
30
SEG[10]
LCD Segment 10
19
19
31
SEG[9]
LCD Segment 9
20
20
33
SEG[8]
LCD Segment 8
21
21
34
SEG[7]
LCD Segment 7
22
22
35
SEG[6]
LCD Segment 6
23
23
36
SEG[5]
LCD Segment 5
24
24
37
SEG[4]
LCD Segment 4
25
25
38
SEG[3]
LCD Segment 3
26
26
39
SEG[2]
LCD Segment 2
27
27
42
SEG[1]
LCD Segment 1
28
28
43
Reset
Input reset terminal,
internal pull-down 15 KOhm
Main reset
29
29
44
Test
Input test terminal,
internal pull-down 15 KOhm
For EM tests only, ground 0 !
Except when needed for MFP
programming
30
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
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
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
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
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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