User Manual
DIC324
3.3.1.1
Integrated parts of the diagram
Matrix diagram involves the following function blocks:
De-bouncing (DEB) unit
Input register (RG)
Event (EV) registration unit
Programmable pulse gate generator of N- periods of
measured frequency (T)
programmable filling frequency generator (G):
frequency meter (F)
Fig. 3-3: Matrix diagram
Below is the description of DIC324 ports (
Code of “D11” diagram
) with the Base
Address
BA.
Control register
is available
by
writing
via port with the address
BA+5 and has a format:
Table 3-5: Control register
Address
D7
D6
D5
D4
D3
D2
D1
D0
BA + 5
FR1
1
FR0
1
FR1
0
FR0
0
CK1
1
CK0
1
CK1
0
CK0
0
CK[1:0]
X
De-bouncing time codes for groups of inputs (see Table 3-7).
FR[1:0]
X
Event front edge codes for groups of inputs (see Table 3-6).
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