27924 Parallax Inc, 27924 Datasheet - Page 4

• Manufacturer Part Number: 27924
• Description: Microcontroller Modules & Accessories TAOS TSL230 Light to Frequency Converter
• Manufacturer: Parallax Inc

Specifications of 27924

• Product: Microcontroller Accessories
• Flash: 256 KB
• Timers: 5 x 8 bit
• Board Size: 88.9 mm x 50.8 mm x 21.84 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Resources and Downloads
The BASIC Stamp and Propeller code and the manufacturer’s datasheet, more example applications can
be downloaded from the TSL230R product page. Go to www.parallax.com, then enter 27924 in the
Search field.
Copyright © Parallax Inc.
_clkmode = xtal1 + pll16x
_XinFREQ = 5_000_000
pin = 0
cbase = 1
scale = %10
ctrmode = $28000000
term : "tv_text"
dira := %11 << cbase
outa := scale << cbase
term.start(12)
frqa := 1
ctra := ctrmode + pin
repeat
waitcnt(80_000_000 / 10 + cnt) 'wait for 100ms
term.dec(phsa)
term.out($0D)
phsa := 0
Coded by Paul Baker (Parallax)
TSL230R Light-to-Frequency Converter (#27924)
'pin connected to tsl230 output
'pin connected to S0 (S1 connected to cbase + 1)
'scale value for tsl230 (%00=off,%01=x1,%10=x10,%11=x100)
'mode value for counter to operate as a frequency counter
'set scale pins to output
'set scale value
'start terminal
'set counter to increment by one
'start counter
'output counter value
'line feed
'reset counter value
v1.0 12/14/2007 Page 4 of 4