IC89C54 Datasheet, PDF (20/24 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]
P0[7-0]
VPP
PROG
VCC
tCVQV
30H
tAVQV
00H
31H
tAVQV
32H
tAVQV
D5H
04H/08H/10H 05H/FFH
tWSCV
Figure 15. Read Signature bytes Timing(Arming Command)
20
Integrated Circuit Solution Inc.
MC009-0B