TDA935x Philips, TDA935x Datasheet - Page 59

• Manufacturer Part Number: TDA935x
• Description: TV Signal Processor-Teletext Decoder with Embedded u-Controller
• Manufacturer: Philips

Philips Semiconductors
The memory and security bits are structured as follows:-
Table 30 Security bit structure
The security bits are set as follows for production programmed devices (i.e. programmed by Philips):-
The security bits are set as follows for production un-programmed (blank) devices:-
2001 Jan 18
TV signal processor-Teletext decoder with
embedded -Controller
Table 32 Security bits for Blank devices
Table 31 Security bits for production devices
CHARACTER ROM
CHARACTER
CHARACTER ROM
PROGRAM ROM
PACKET 26 ROM
PROGRAM
PACKET 26
PROGRAM ROM
PACKET 26 ROM
ROM
ROM
ROM
MEMORY
MEMORY
MEMORY
(i.e. 128k x 8 bits)
(0.5k x 12 bits)
(9k x 12 bits)
USER ROM
RESERVED
USER ROM
RESERVED
USER ROM
TEST ROM
(1k x 8 bits)
TEST ROM
(4k x 8 bits)
=
=
=
=
=
=
=
=
=
=
=
USER ROM Programming
USER ROM Programming
(Enable/Disable)
(Enable/Disable)
DISABLED
DISABLED
DISABLED
ENABLED
ENABLED
ENABLED
USER ROM Programming
USER ROM Programming
USER ROM Programming
(Enable/Disable)
(Enable/Disable)
(Enable/Disable)
59
Yes
Yes
Yes
No
No
TEST ROM Programming
TEST ROM Programming
SECURITY BITS SET
SECURITY BITS SET
SECURITY BITS INTERACTION
(Enable/Disable)
(Enable/Disable)
TDA935X/6X/8X PS/N2 series
DISABLED
DISABLED
DISABLED
DISABLED
DISABLED
DISABLED
TEST ROM Programming
TEST ROM Programming
TEST ROM Programming
(Enable/Disable)
(Enable/Disable)
(Enable/Disable)
Yes
Yes
No
No
No
Tentative Device Specification
(Enable/Disable)
(Enable/Disable)
(Enable/Disable)
(Enable/Disable)
(Enable/Disable)
ENABLED
ENABLED
ENABLED
ENABLED
ENABLED
ENABLED
Verify
Verify
Verify
Verify
Verify
Yes
Yes
Yes
Yes
Yes