UPI-41AH Datasheet, PDF (17/20 Pages) Intel Corporation – UNIVERSAL PERIPHERAL INTERFACE 8-BIT SLAVE MICROCONTROLLER

WAVEFORMS (Continued)
COMBINATION PROGRAM VERIFY MODE
UPI-41AH 42AH
210393 – 23
NOTES
1 A₀ must be held low (0V) during program verify modes
2 For V_IH V_IH1 V_IL V_IL1 V_DDH and V_DDL please consult the D C Characteristics Table
3 When programming the 8741AH 8742AH a 0 1 mF capacitor is required across V_DD and ground to suppress spurious
voltage transients which can damage the device
VERIFY MODE
NOTES
1 PROG must float if EA is low
2 PROG must float or e 5V when EA is high
3 P₁₀ – P₁₇ e 5V or must float
4 P₂₄ – P₂₇ e 5V or must float
5 A₀ must be held low during programming verify modes
210393 – 29
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