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CS9211 bảng dữ liệu(PDF) 40 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
tên linh kiện CS9211
Giải thích chi tiết về linh kiện  Geode CS9211 Graphics Companion Flat Panel Display Controller
PDF  62 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
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Revision 2.1
4.0
Register Descriptions
Table 4-1 provides a summary of the Configuration Regis-
ters, followed by descriptions of the individual registers and
their bit formats. These registers are accessed using the
serial interface, as described in Section 3.2.1 “Serial Inter-
face” on page 17. Note that all configuration registers are
memory mapped.
Table 4-1. Configuration Registers Summary
Offset
Access
Name / Function
Reset
Value
Reference
(Table 4-2)
400h-403h
R/W
Panel Timing Register 1
Configures the flat panel horizontal and vertical timing characteristics
00000000h
Page 41
404h-407h
R/W
Panel Timing Register 2
Configures the flat panel horizontal and vertical timing characteristics
00000000h
Page 41
408h-40Bh
R/W
Power Management Register
Configures the power management features of the LCD controller
00000000h
Page 43
40Ch-40Fh
R/W
Dither and Frame Rate Control Register
Configures dithering and frame rates
00000000h
Page 44
410h-413h
R/W
Blue LFSR Seed
15-bit value that specifies the seed value for the FRM conversion of the Blue
component of each pixel
00000000h
Page 45
414h-417h
R/W
Green LFSR Seed
15-bit value that specifies the seed value for the FRM conversion of the Green
component of each pixel
Red LFSR Seed
15-bit value that specifies the seed value for the FRM conversion of the Red
component of each pixel
00000000h
Page 45
418h-41Bh
R/W
FRM Memory Index Register
00000000h
Page 45
41Ch-41Fh
R/W
FRM Memory Data Register (32 x 64 Bits)
00000000h
Page 45
420h-423h
R/W
Memory Control Register
Selects the memory type, SDRAM or EDO DRAM
1EF80008h
Page 45
424h-427h
R/W
Dither RAM Control and Address Register
Provides the dither RAM address. The value programmed is used to initialize
the Dither RAM address counter. Subsequent accesses to the Dither RAM
Data Register cause the address counter to increment.
00000000h
Page 46
428h-42Bh
R/W
Dither RAM Data Register
Provides the Dither RAM data. The data can be read or written to the dither
RAM via this register. Prior to accessing the data register, an appropriate
address should be loaded to the Dither RAM Address Register (Offset 424h).
Subsequent accesses to the data register cause the internal address counter
to increment for the next cycle.
00000000h
Page 46
42Ch-42Fh
R/W
Panel CRC (Cyclical Redundancy Check) Signature Register
When CRC is enabled, the CRC logic writes the generated signature to this
register. The value can be compared with the software simulation results or a
previously generated signature for the same image and settings.
xxxxxxxxh
Page 46
430h-433h
RO
Device and Revision ID Register
Reads the CS9211’s device ID and revision ID.
92110302h
Page 46
434h-437h
R/W
GPIO Data Register
Status and levels of GPIO pins.
xxxxxxxxh
Page 46
438h-43Bh
R/W
GPIO Control Register
Configuration of each GPIO pin as an input or output, and in normal or weak
pull-up/down modes.
xxxxxxxxh
Page 47



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