GMS90C3X Datasheet, PDF (50/59 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS

OTP ROM Verification Characteristics
ROM Verification Mode 1
GMS90 Series
Parameter
Address to valid data
ENABLE to valid data
Data float after ENABLE
Oscillator frequency
Symbol
t_AVQV
t_CLCL
t_EHQZ
1/t_CLCL
Limit Values
Min.
Max.
-
48t_CLCL
-
48t_CLCL
0
48t_CLCL
4
6
Unit
ns
MHz
P1.0-P1.7
P2.0-P2.4
PORT 0
P2.7
ENABLE
Address
tAVQV
Data Out
t_ELQV
t_EHQZ
Address: P1.0-P1.7 = A0-A7
P2.0-P2.5 = A8-A13
P3.4 = A14
Data: P0.0-P0.7 = D0-D7
Input: P2.6-P2.7, PSEN = V_SS
ALE = V_IH
EA, RESET = V_IH2
Figure 11. OTP ROM Verification Mode 1
46
Oct. 2000 Ver 3.1a