GMS36 Datasheet, PDF (103/109 Pages) Hynix Semiconductor – 4-BIT SINGLE CHIP MICROCOMPUTERS

Chapter 9. EPROM
2) EPROM Read Mode
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#. Note :
1. Internal system is reset at VPP = 12.5V and K2=`Low`
2. OSC1 is made of a block of 8 x Tp clock.
3. From this time when the reset is released (K2=`High`) , OSC1 clock is counted by 1-bolck.
4. For device verify. If you set Lock bit, output data is always `0F`h.
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