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EM73P982 датащи(PDF) 22 Page - ELAN Microelectronics Corp

номер детали EM73P982
подробное описание детали  4-BIT MICROCONTROLLER
PDF  41 Pages
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производитель  EMC [ELAN Microelectronics Corp]
домашняя страница  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM73P982 датащи(HTML) 22 Page - ELAN Microelectronics Corp

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* This specification are subject to be changed without notice.
EM73P982
EM73P982
EM73P982
EM73P982
EM73P982
4-BIT MICROCONTROLLER
4-BIT MICROCONTROLLER
4-BIT MICROCONTROLLER
4-BIT MICROCONTROLLER
4-BIT MICROCONTROLLER
12.25.2001
Read automatically the display data from the display data area and send to the LCD driver by the hardware.
Therefore, the display patterns can be changed only by overwritting the contents of the display data area
with the software.
The data memory which is not used to store the LCD display data and the addresses are not connected to the
LCD can be used to store the ordinary user's processing data.
PROGRAM EXAMPLE:
LDIA #1100B
; LCD display enable
OUTA P27
LDIA #1010B
STA 24H
(3) LCD waveform :
(3) LCD waveform :
(3) LCD waveform :
(3) LCD waveform :
(3) LCD waveform :
: ON
: OFF
COM0
COM0
COM1
COM7
SEG0
SEG0-COM0
VDD
V4
V3
V2
V1
VSS
COM0
VDD
V4
V3
V2
V1
VSS
COM1
SEG0
ON
COM0
COM1
SEG0
SEG0-COM0
VDD
V3
V2
V1
VSS
COM0
VDD
V3
V2
V1
VSS
COM1
COM1
ON
SEG0-COM0
OFF
SEG0-COM0
ON
SEG0-COM1
ON
SEG0-COM0
ON
SEG0-COM1
OFF
SEG0-COM1
OFF
Frame freq.=65Hz
Frame freq.=65Hz
Frame freq.
=65Hz
Frame freq.
=65Hz
* TYPE A, 1/4 bias :
* TYPE B, 1/4 bias :
* TYPE A, modify 1/4 bias :
* TYPE B, modify 1/4 bias :
BIAS
VDD
V4
V3
V2
V1
VSS
Modify 1/4
1
17/23
12/23
11/23
6/23
0
1/4
1
3/4
1/2
1/4
0
S
E
G
0



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