GX1 Datasheet, PDF (14/247 Pages) National Semiconductor (TI) – Processor Series Low Power Integrated x86 Solution

Architecture Overview (Continued)
.
Pixel Data 18
Geode™
GX1
Processor
Geode™
CS5530 I/O
Companion
Pixel Port 18
Timing Control 4
Serial
Configuration ₄
Geode™
CS9211
Graphics
Companion
Addr & Control 21
MemData 16
DRAM/SDRAM
256Kx16
8
Video Port (YUV)
24 4
3 _Control
LCD Power
Panel Timing
Panel Data
DSTN/TFT
LCD
Figure 1-3. Geode™ CS9211 Interface System Diagram
Exclusive
Interconnect
Signals
(Do not connect to
any other device)
Geode™ GX1
Processor
Nonexclusive
Interconnect
Signals
(May also connect
to other 3.3V circuitry)
SYSCLK
SERIALP
IRQ13
SMI#
PCLK
DCLK
CRT_HSYNC
CRT_VSYNC
PIXEL[17:0]
FP_HSYNC
FP_VSYNC
ENA_DISP
VID_VAL
VID_CLK
VID_DATA[7:0]
VID_RDY
RESET
INTR
SUSP#
SUSPA#
AD[31:0]
C/BE[3:0]#
PAR
FRAME#
IRDY#
TRDY#
STOP#
LOCK#
DEVSEL#
PERR#
SERR#
REQ0#
GNT0#
(Note)
GX_CLK
PSERIAL
IRQ13
SMI#
PCLK
DCLK
HSYNC
VSYNC
PIXEL[23:0]
FP_HSYNC Not needed if
FP_VSYNC CRT only (no TFT)
ENA_DISP
VID_VAL
VID_CLK
VID_DATA[7:0]
VID_RDY
CPU_RST
INTR
Geode™ CS5530
SUSP#
SUSPA#
AD[31:0]
C/BE[3:0]#
PAR
FRAME#
IRDY#
TRDY#
STOP#
LOCK#
DEVSEL#
PERR#
SERR#
REQ#
GNT#
I/O Companion
Note: Refer to Figure 1-5 for interconnection of the pixel lines.
Figure 1-4. Geode™ GX1/CS5530 Signal Connections
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