Datasheet

C515C
Data Sheet 63 2003-02
C515C-8E Lock Bits Programming / Read
The C515C-8E has two programmable lock bits which, when programmed according
Table 14, provide four levels of protection for the on-chip OTP code memory. The state
of the lock bits can also be read.
Table 13 Access Modes Selection
Access Mode EA
/
V
PP
PROG PRD PMSEL Address
(Port 2)
Data
(Port 0)
10
Program OTP memory
byte
V
PP
H HHA0-7
A8-15
D0-7
Read OTP memory byte
V
IH
H
Program OTP lock bits
V
PP
HHL– D1, D0
see
Table 14
Read OTP lock bits
V
IH
H
Read OTP version byte
V
IH
H L H Byte addr.
of version
byte
D0-7