GMS90C3X Datasheet, PDF (54/59 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS90 Series
In the GMS97X51/52
ALE/PROG
Enlarged View
25 PULSES
Min. 10µs
100µs ±10
100µs ±10
In the GMS97X54/56/58
ALE/PROG
10 PULSES
Figure 13. PROG Waveform
A0-A7
A8-A13
A14
1
1
1
4~6MHz
V_CC
P1
P2.0
-P2.5
P3.4
RST
P3.6
P3.7
XTAL2
P0
EA/V_PP
ALE/PROG
PSEN
P2.7
XTAL1
P2.6
VSS
+5V
10kΩ
PROGRAM DATA
1
1
0
0
1
Figure 14. Program Verification
50
Oct. 2000 Ver 3.1a