COP8SA-DM National Semiconductor, COP8SA-DM Datasheet - Page 230
COP8SA-DM
Manufacturer Part Number
COP8SA-DM
Description
MODULE DEBUGGING FOR COP8SA
Manufacturer
National Semiconductor
Datasheet
1.DM-COP820D.pdf
(254 pages)
Specifications of COP8SA-DM
Module/board Type
Debugger Module
For Use With/related Products
Cop 8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
*COP8SA-DM
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- Download datasheet (2Mb)
The COP8SAC7 microcontroller can be used to cost-effectively provide a solution for a
laptop keyboard. With only a few passive components, the device can accomplish the
complete keyboard scan function. The same principles can be applied to all types of
keyboards (i.e. desktop keyboards) or data input devices. With low power consumption
being the most important design criteria, the device offers the power saving Multi-Input
Wakeup mode.
4-38
COP8SAx7 APPLICATION IDEAS
V
CC
Figure 4-21 Laptop/Notebook Keyboard Schematics
V
GND
CK0
CK1
RESET
CC
V
D6
CC
4
NUM
LOCK
D7
3
WD
SCROLL
LOCK
G0
V
2
CC
V
G3
D5
CC
1
C4
C5
C6
C7
C0
C1
C2
C3
G2
G4
G5
D0
D1
D2
D3
D4
CAPS
LOCK
L0
L1
L2
L3
L4
L5
L6
L7
J2
COL 1
DATA
CLOCK
ROW 16
COL 1
COL 8
ROW 1
V
CC
J1
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
6
2
4
1
3
6
J3
J4
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