em6521 EM Microelectronic, em6521 Datasheet - Page 6
em6521
Manufacturer Part Number
em6521
Description
Mfp Version Of Em6621 Ultra Low Power Microcontroller With 4x20 Lcd Driver
Manufacturer
EM Microelectronic
Datasheet
1.EM6521.pdf
(68 pages)
- Current page: 6 of 68
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Figure 3. Typical Configuration
1.1 Programming Connections
The EM6521 can be programmed using the standard EM MFP programming box for 4 bit uControllers. The
interface signals are listed in the table below. The circuit can be programmed on the programming box or
directly on the PCB . For more information please refer to the MFP programmer’s manual.
Copyright © 2005, EM Microelectronic-Marin SA
Chip
29
44
45
46
47
48
TQFP
52
29
44
45
46
47
48
C 1
C 1
C 1
C 2
C 2
R
DIL
64
44
62
63
64
2
3
V L 1
V L 2
V L 3
C 1 A
C 1 B
C 2 A
C 2 B
P o rt B
P o rt S P
P o rt A
Signal Name
Qout /Osc2
V
Qin/Osc1
BAT
C O M [4 :1 ]
L C D D is p la y
Test
V
V
reg
= V
SS
DD
E M 6 5 2 1
B u zz e r
Internal voltage regulator
S E G [2 0 :1 ]
Negative power supply
Internal pull-down 15k
Positive power supply
Input test terminal
Crystal terminal
Crystal terminal
Function
S tro b e
6
Q in
C rys ta l
O o u t
Usually 1 in MFP mode, 0 resets the
MFP interface
MFP Connection, Reference terminal
V
MFP power Connection, adapts the
D D
MFP Serial Data Input / Output
V re g
R e s e t
(V b a t)
T e st
V
S S
Oscillator voltage to V
MFP Power Connection
MFP serial Clock Input
A ll C a p a c ito rs 1 0 0 n F
Remarks
www.emmicroelectronic.com
EM6521
C 3
C 4
BAT
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