IC89C54 Datasheet, PDF (22/24 Pages) Integrated Circuit Solution Inc – CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 16/32/64-Kbytes of FLASH

IC89C54/58/64
P3[7:6]
P2[7:6]
P3[3:2]
P2[5:0]
P1[7:0]
PROG
P0[7-0]
P3.4(BUSY)
VPP
P3.5
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
tPLTL
tBLTHE
tBLTHEn
1. 01H/02H/04H are for Chip Erase/Block 1 Erase/Block 2 Erase.
2. 0CH is for code memory verification and 0DH is for concurrent memory verification. 09H is for Lock
bits verification.
Figure 17. Erasing Timing
22
Integrated Circuit Solution Inc.
MC009-0B