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PDF SAA5675HL Data sheet ( Hoja de datos )

Número de pieza SAA5675HL
Descripción Enhanced TV microcontrollers with On-Screen Display (OSD)
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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No Preview Available ! SAA5675HL Hoja de datos, Descripción, Manual

INTEGRATED CIRCUITS
DATA SHEET
SAA567x; SAA569x
Enhanced TV microcontrollers with
On-Screen Display (OSD)
Objective specification
Supersedes data of 2001 Dec 13
2002 May 06

1 page




SAA5675HL pdf
Philips Semiconductors
Enhanced TV microcontrollers with
On-Screen Display (OSD)
5 BLOCK DIAGRAM
Objective specification
SAA567x; SAA569x
handbook, full pagewidth
I2C-bus, general I/O
TV CONTROL
AND
INTERFACE
ROM
(128 or 192-kbyte)
MICROPROCESSOR
(80C51)
DRAM
(14-kbyte)
MEMORY
INTERFACE
SRAM
256-byte
CVBS
DATA
CAPTURE
CVBS
DATA
CAPTURE
TIMING
DISPLAY
R
G
B
VDS
DISPLAY
TIMING
GSA023
HSYNC
VSYNC
2002 May 06
Fig.1 Block diagram (top level architecture).
5

5 Page





SAA5675HL arduino
Philips Semiconductors
Enhanced TV microcontrollers with
On-Screen Display (OSD)
Objective specification
SAA567x; SAA569x
8.2 ROM protection and verification
SAA567x; SAA569x devices have a set of security bits
allied with each section of the device, i.e. Program ROM,
Character ROM and Packet 26 ROM. The security bits are
used to prevent the ROM from being overwritten once
programmed, and also the contents being verified once
programmed.
The security bits can be programmed once only and
cannot be erased.
The SAA567x; SAA569x security bits are set as shown in
Fig.4 for production programmed devices and are set as
shown in Fig.5 for production blank devices.
handbook, full pagewidthMEMORY
PROGRAM ROM
(128 or 192 kbytes)
CHARACTER ROM
(12 kbytes)
PACKET 26 ROM
(4 kbytes)
SECURITY BITS SET
USER ROM PROGRAMMING
DISABLED
VERIFY
ENABLED
DISABLED
ENABLED
DISABLED
ENABLED
GSA036
Fig.4 Security bits for production programmed devices.
handbook, full pagewidthMEMORY
PROGRAM ROM
(128 OR 192 kbytes)
CHARACTER ROM
(12 kbytes)
PACKET 26 ROM
(4 kbytes)
SECURITY BITS SET
USER ROM PROGRAMMING
ENABLED
VERIFY
ENABLED
ENABLED
ENABLED
ENABLED
ENABLED
GSA037
2002 May 06
Fig.5 Security bits for production blank devices.
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