GMS90 Hynix Semiconductor, GMS90 Datasheet - Page 50

• Manufacturer Part Number: GMS90
• Description: 8-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: Hynix Semiconductor

OTP ROM Verification Characteristics
ROM Verification Mode 1
Figure 11. OTP ROM Verification Mode 1
46
Address to valid data
ENABLE to valid data
Data float after ENABLE
Oscillator frequency
Parameter
Address:
Data:
P1.0-P1.7
P2.0-P2.4
ENABLE
PORT 0
P1.0-P1.7 = A0-A7
P2.0-P2.5 = A8-A13
P3.4 = A14
P0.0-P0.7 = D0-D7
P2.7
Symbol
1/t
t
t
t
ELQV
t
AVQV
EHQZ
CLCL
CLCL
Address
t
Data Out
AVQV
Input:
Min.
P2.6-P2.7, PSEN = V
0
4
ALE = V
EA, RESET = V
-
-
t
EHQZ
Limit Values
IH
48t
48t
48t
IH2
Max.
CLCL
CLCL
CLCL
6
Dec. 1998 Ver 3.0
SS
GMS90 Series
MHz
Unit
ns