SC2200UFH-300 AMD (ADVANCED MICRO DEVICES), SC2200UFH-300 Datasheet - Page 335
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SC2200UFH-300
Manufacturer Part Number
SC2200UFH-300
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.SC2200UFH-300.pdf
(429 pages)
Specifications of SC2200UFH-300
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
SC2200UFH-300F
Manufacturer:
NSC
Quantity:
201
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Video Processor Module - Video Processor Registers - Function 4
AMD Geode™ SC2200 Processor Data Book
Offset 1Ch-1Fh
Offset 20h-23h
Provides the video palette data. The data can be read or written to the Gamma Correction RAM (palette) via this register. Prior to
accessing this register, an appropriate address should be loaded to the Palette Address register (F4BAR0+Memory Offset 1Ch[7:0]).
Subsequent accesses to the Palette Data register cause the internal address counter to be incremented for the next cycle.
Offset 24h-27h
Offset 28h-2Bh
Configuration and control register for miscellaneous characteristics of the Video Processor.
Offset 2Ch-2Fh
Determines the characteristics of the integrated PLL2.
31:13
31:23
22:21
31:8
31:8
Bit
7:0
7:0
9:1
12
11
10
20
0
Table 7-7. F4BAR0+Memory Offset: Video Processor Configuration Registers (Continued)
Description
Reserved.
PAL_ADDR (Palette Address). Specifies the address to be used for the next access to the Palette Data register
(F4BAR0+Memory Offset 20h[31:8]). Each access to the data register automatically increments the Palette Address regis-
ter. If non-sequential access is made to the palette, the address register must be loaded between each non-sequential data
block.
PAL_DATA (Palette Data). Contains the read or write data for a Gamma Correction RAM (palette).
Blue[7:0] = Bits [31:24]
Green[7:0] = Bits [23:16]
Red[7:0] = Bits [15:8]
Note:
Reserved.
Reserved.
PLL2_PWR_EN (PLL2 Power-Down Enable).
0: Power-down.
1: Normal.
A_PWR_DN (Analog Power-Down). Enables power-down of the PLL2 and the bandgap circuit that generates VREF.
0: Normal.
1: Power-down.
Note:
DAC_PWR_DN (DAC Power-Down). Powers down the internal CRT DAC.
0: Normal.
1: Power-down.
Reserved.
GAMMA_EN (Gamma Correction RAM Enable). Allows video or graphics (selected by F4BAR0+Memory Offset 04h[21])
to go to the Gamma Correction RAM.
0: Enable.
1: Disable.
Reserved. Must be set to 0.
CLK_DIV_SEL (Clock Divider Select).
00: No division.
01: Divide by 2.
10: Divide by 4.
11: Divide by 8.
Divides the clock generated by the PLL2, using the programmed m (bits [14:8]) and n (bits [3:0]) values.
SEL_REG_CAL. Selects specific or previously-calculated values.
0: Values previously calculated from the CLK_SEL bits (bits [19:16]).
1: Values according to the m (bits [14:8]), n (bits [3:0]), and CLK_DIV_SEL (bits [22:21]) fields.
When a read or write to the Gamma Correction RAM occurs, the previous output value is held for one additional
DOTCLK period. This effect should go unnoticed during normal operation.
If A_PWR_DN is set to 1 without also setting DAC_PWR_DN (bit 10) to 1, an unexpected increase in power con-
sumption may result.
Palette (Gamma Correction RAM) Address Register (R/W)
Palette (Gamma Correction RAM) Data Register (R/W)
PLL2 Clock Select Register (R/W)
Miscellaneous Register (R/W)
Reserved
32580B
Reset Value: xxxxxxxxh
Reset Value: xxxxxxxxh
Reset Value: 00001400h
Reset Value: 00000000h
347
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