
DIGITAL LINES BASIC SECTION 6
Page 6-5
LINEB,0A307H,1
Inputs are read as follows:
A = LINEB(0A400H) .AND. 0F0H
USING ANALOG INPUTS
Analog inputs may be used as digital inputs only.
Simply do an AIN(n) on the appropriate channel. Any
value above 2048 may be considered a ‘1' .
APPLICATION PROGRAMS
The following application program is in the BASIC 52
directory.
File name Description
210_MULT.BAS ON COUNT and ON LINE
multi-tasking program
J3 and J7 PIN OUT TABLE
J3 pin out and alternate function, if any, is below.
J3 pin
No.
Description Alternate Function
1 Port B, bit 4
2 +5V
3 Port B, bit 5
4 Port B, bit 2
5 Port B, bit 6
6 Port B, bit 3
7 Port B, bit 7
8 Port B, bit 1
9 Port C , bit 7
10 Port B, bit 0
11 Port C , bit 5
12 Port C , bit 6
13 Port C , bit 0
14 Port C , bit 4
15 Port C , bit 2
16 Port C , bit 1
17 Port C , bit 3
18 Port A , bit 7 Display ‘E2' line
19 Port A , bit 0 Displa y data D B4
20 Port A , bit 6 Display ‘E’ line
21 Port A , bit 1 Displa y data D B5
22 Port A , bit 5 R/W
23 Port A , bit 2 Displa y data D B6
24 Port A , bit 4 Register/data select
25 Port A , bit 3 Displa y data D B 7
26 Ground
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