EM6520 EM Microelectronic, EM6520 Datasheet - Page 4

• Manufacturer Part Number: EM6520
• Description: MFP version of EM6620 Ultra Low Power Microcontroller 4x8 LCD Driver
• Manufacturer: EM Microelectronic

1
Gray shaded areas: terminals needed for MFP programming connections (VDD, VregLogic, Qin, Qout, Test, VSS). See
also Programming Connections.
Copyright  2002, EM Microelectronic-Marin SA
Chip
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
1
2
3
4
5
6
7
8
9
Pin Description for EM6520
QFP
13
14
15
16
18
19
20
21
25
26
27
28
29
30
31
32
33
35
36
37
38
39
40
41
43
10
11
44
5
1
2
3
6
8
DIL
40
10
11
12
13
14
17
18
19
20
21
22
23
24
25
27
28
29
30
31
32
33
35
36
37
38
39
40
7
8
9
1
3
5
QFP
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
32
nc
9
1
2
3
4
5
6
7
8
Signal Name
VBAT=VDD
Qout / Osc2
Qin / Osc1
COM[4]
COM[3]
COM[2]
COM[1]
SEG[8]
SEG[7]
SEG[6]
SEG[5]
SEG[4]
SEG[3]
SEG[2]
SEG[1]
PB[0]
PB[1]
PB[2]
PB[3]
PA[0]
PA[1]
PA[2]
PA[3]
Vreg
VSS
C2B
C2A
C1B
C1A
Test
VL1
VL2
VL3
Internal voltage regulator
Voltage multiplier level 1
Voltage multiplier level 2
Voltage multiplier level 3
Input/output, open drain
Input/output, open drain
Input/output, open drain
Input/output, open drain
Negative power supply
Internal pull-down 15k
Input port A terminal 0
Input port A terminal 1
Input port A terminal 2
Input port A terminal 3
Positive power supply
LCD back plane 4
LCD back plane 3
LCD back plane 2
LCD back plane 1
Input test terminal
Voltage multiplier
Voltage multiplier
Voltage multiplier
Voltage multiplier
port B terminal 0
port B terminal 1
port B terminal 2
port B terminal 3
LCD segment 8
LCD segment 7
LCD segment 6
LCD segment 5
LCD segment 4
LCD segment 3
LCD segment 2
LCD segment 1
Crystal terminal
Crystal terminal
Function
4
Reference terminal, MFP Connection
when needed for MFP programming
LCD level 1 input, if external supply
LCD level 2 input, if external supply
LCD level 3 input, if external supply
For EM tests only, GND 0 ! except
dynamic input comparator input
32kHz crystal, MFP Connection
32kHz crystal, MFP Connection
Not used if 3 times multiplex
Connect to minimum 100nF,
Not needed if ext. supply
Not needed if ext. supply
Not needed if ext. supply
Not needed if ext. supply
Not bonded for QFP 32
MSC start/stop control
Port B data[0] I/O or
Port B data[1] I/O or
Port B data[2] I/O or
Port B data[3] I/O or
MFP Connection
MFP Connection
Event counter
Event counter
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PWM output
ck[12] output
ck[1] output
Testvar 1
Testvar 2
Testvar 3
Remarks
selected
selected
selected
selected
EM6520
03/02 REV. D/449