SAA5531 Philips Semiconductors, SAA5531 Datasheet - Page 11

• Manufacturer Part Number: SAA5531
• Description: Enhanced TV microcontrollers with On-Screen Display OSD
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2000 Feb 23
handbook, full pagewidth
Enhanced TV microcontrollers with
On-Screen Display (OSD)
MEMORY
PROGRAM ROM
CHARACTER ROM
PACKET 26 ROM
(128K x 8-BIT)
(9K x 12-BIT)
USER ROM
USER ROM
USER ROM
(4K x 8-BIT)
handbook, halfpage
Fig.4 ROM bank switching memory map.
Fig.5 Memory and security bit structures.
FFFFH
8000H
(32-KBYTE)
BANK 0
FFFFH
8000H
7FFFH
0000H
(32-KBYTE)
(32-KBYTE)
COMMON
BANK 1
11
SECURITY BITS INTERACTION
USER ROM PROGRAMMING
USER ROM PROGRAMMING
USER ROM PROGRAMMING
(ENABLE/DISABLE)
(ENABLE/DISABLE)
(ENABLE/DISABLE)
MBK952
FFFFH
8000H
(32-KBYTE)
BANK 2
(ENABLE/DISABLE)
(ENABLE/DISABLE)
(ENABLE/DISABLE)
VERIFY
VERIFY
VERIFY
Preliminary specification
MBK953
SAA55xx