IC89E54 Datasheet, PDF (34/36 Pages) Integrated Circuit Solution Inc – 8-BITS SINGLE MICROCONTROLLER with 16/32/64-Kbytes of FLASH, 256 byte +512 byte RAM

IC89E54/58/64
P3[7:6]
P2[7:6]
P3[3:2]
P2[5:0]
P1[7:0]
PROG
P0[7-0]
P3.4(BUSY)
VPP
01H/02H/04H(1)
tBLCX
tCVPL
tBLPH
0CH/0DH(2)
tSLCV tCQCV
tCXQX
Valid Address(3)
tAVQV
tAXQX
tPLBL
tSHPL
tBLBHE
tBLBHEn
Valid Data
tBHSL
Figure 25. Erasing Timing
Note:
1. 01H/02H/04H are for code Chip Erase/Block 1 Erase/Block2 Erase.
2. 0CH is for code memory verification. 09H is for Lock bits verification.
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Integrated C ircuitSolution Inc.
MC012-0C 11/16/2001