COP8SA-DM National Semiconductor, COP8SA-DM Datasheet - Page 223

• Manufacturer Part Number: COP8SA-DM
• Description: MODULE DEBUGGING FOR COP8SA
• Manufacturer: National Semiconductor

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

N
MAIN PROGRAM
INITIALIZATION
INCREMENT X
LAST DIGIT ?
DIGIT X OUT
Figure 4-17 Four-Way Multiplexed Direct LED Drive
IRQ
N
Y
Y
1) REFERS TO THE USER’S MAIN PROGRAM.
IRQ: THE IRQ IS EITHER A TIMER INTERRUPT OR
AN EXTERNAL INTERRUPT. (R/C OR ZERO
CROSS USED FOR LED REFRESH).
DIGIT X=0
COP8SAx7 APPLICATION IDEAS
THE SUBROUTINE FOR THE MUXED
LED DRIVE REQUIRES 1 BYTE OF
RAM AND 45 BYTES OF ROM.
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