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8XC196MC, MD, MH USER’S MANUAL
16-10
Figure 16-3. Modified Quick-pulse Algorithm
Auto programming repeats the pulse twice (for the 87C196MC, MD) or five times (for the
87C196MH), using the pulse width you specify in the external EPROM. Slave mode repeats the
pulse until PROG# is deasserted. In slave programming mode, the PALE# signal controls the
pulse width. In all cases, the pulse width must be at least 100 µs for successful programming.
A0190-03
Return
From Auto or Slave
Programming
Required
Writes Done
?
Start PPW Timer
Write Data to
OTPROM
Enter Idle Mode
Wait for PPW Timer Interrupt
Yes
No
Enable Interrupts
Compare Programmed
Locations and Set Flags