C501 Datasheet, PDF (42/48 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

ROM Verification Characteristics for C501-1R
ROM Verification Mode 1
Parameter
Address to valid data
ENABLE to valid data
Data float after ENABLE
Oscillator frequency
Symbol
min.
t_AVQV
–
t_ELQV
–
t_EHQZ
0
1/t_CLCL 4
Limit Values
max.
48t_CLCL
48t_CLCL
48t_CLCL
6
P1.0 - P1.7
P2.0 - P2.4
Port 0
P2.7
ENABLE
t _ELQV
Address
t _AVQV
Data OUT
t _EHQZ
MCT00049
Address: P1.0 - P1.7 = A0 - A7
P2.0 - P2.4 = A8 - A12
Data: P0.0 - P0.7 = D0 - D7
Inputs: P2.5 - P2.6, PSEN = V_SS
ALE, EA = V _IH
RESET = V_SS
Figure 17
ROM Verification Mode 1
C501
Unit
ns
ns
ns
MHz
Semiconductor Group
42
1997-04-01