C541U Datasheet, PDF (59/63 Pages) Siemens Semiconductor Group – 8 BIT CMOS MICROCONTROLLER

C541U
OTP Verification Characteristics
OTP Verification Mode for Protection Level 1
Parameter
ALE pulse width
ALE period
Data valid after ALE
Data stable after ALE
P3.5 setup to ALE low
Oscillator frequency
Symbol
t_AWD
t_ACY
t_DVA
t_DSA
t_AS
1/t_CLCL
min.
–
–
–
8 t_CLCL
–
4
Limit Values
typ
max.
2 t_CLCL
12 t_CLCL
–
–
–
–
4 t_CLCL
–
t_CLCL
–
–
6
Unit
ns
ns
ns
ns
ns
MHz
ALE
Port 0
P3.5
t _AWD
t _ACY
t _DVA
t _AS
t _DSA
Data Valid
Figure 32
OTP Verification Mode for Protection Level 1
MCT02613
Semiconductor Group
57