27220 Parallax Inc, 27220 Datasheet - Page 78

• Manufacturer Part Number: 27220
• Description: BOOK STAMPWORKS
• Manufacturer: Parallax Inc

Specifications of 27220

• Accessory Type: Booklet
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• For Use With/related Products: StampWorks
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Not applicable / Not applicable

Program: SW21-EX10-Clock.BS2
' {$STAMP BS2}
' {$PBASIC 2.5}
' -----[ Program Description ]---------------------------------------------
'
' This program takes an external 1 Hz signal from the pulse generator and
' synthesizes a simple clock/timer. This code will run, unmodified, on and
' BS2-family module.
' -----[ I/O Definitions ]-------------------------------------------------
Segs
Digs
Tic
' -----[ Constants ]-------------------------------------------------------
Blank
DecPnt
IsHigh
IsLow
' -----[ Variables ]-------------------------------------------------------
nTic
oTic
xTic
secs
time
theDig
' -----[ EEPROM Data ]-----------------------------------------------------
'
'
Digit0
Digit1
Digit2
Digit3
Digit4
Digit5
Digit6
Digit7
VAR
VAR
PIN
CON
CON
CON
CON
VAR
VAR
VAR
VAR
VAR
VAR
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
OUTL
OUTC
15
%00000000
%10000000
1
0
Bit
Bit
Bit
Word
Word
Nib
%00111111
%00000110
%01011011
%01001111
%01100110
%01101101
%01111101
%00000111
.GFEDCBA
--------
' Segments on P0 - P7
' Digit control pins
' 1 Hz input
' all segments off
' decimal point on
' new tic input
' old tic value
' change (1 when 0 -> 1)
' seconds
' formatted time
' current display digit
' digit patterns