Справочник Пользователя для AMD LX 800@0.9W
AMD Geode™ LX Processors Data Book
41
33234H
3.4.7
CRT Display Interface Signals
Signal Name
Ball No.
Type
f
V
Description
HSYNC
AE3
I/O
0-350 Mb/s
3.3
(5vt)
Horizontal Sync. Horizontal Sync establishes
the line rate and horizontal retrace interval for an
attached CRT. The polarity is programmable
(See Section 6.8.3.2 on page 422, VP Memory
Offset 008h[8]).
the line rate and horizontal retrace interval for an
attached CRT. The polarity is programmable
(See Section 6.8.3.2 on page 422, VP Memory
Offset 008h[8]).
VSYNC
AD3
I/O
0-350 Mb/s
3.3
(5vt)
Vertical Sync. Vertical Sync establishes the
screen refresh rate and vertical retrace interval
for an attached CRT. The polarity is programma-
ble (See Section 6.8.3.2 on page 422, VP Mem-
ory Offset 008h[9]).
screen refresh rate and vertical retrace interval
for an attached CRT. The polarity is programma-
ble (See Section 6.8.3.2 on page 422, VP Mem-
ory Offset 008h[9]).
DVREF
W1
A
Analog
1.235
Video DAC Voltage Reference. Connect this
pin to a 1.235V voltage reference.
pin to a 1.235V voltage reference.
DRSET
Y1
A
Analog
N/A
DAC Current Setting Resistor. 1.21K, 1% to
DAV
DAV
SS
.
DAV
DD
[3:0]
W4, V4,
V1, U1
APWR
Analog
3.3
DAC Analog Power Connection.
DAV
SS
[3:0]
W2, Y2,
V3, U3
AGND
Analog
0
DAC Analog Ground Connection.
RED
W3
A
Analog
N/A
Red DAC Output. Red analog output.
GREEN
V2
A
Analog
N/A
Green DAC Output. Green analog output.
BLUE
U2
A
Analog
N/A
Blue DAC Output. Blue analog output.
3.4.8
VIP Interface Signals
Signal Name
Ball No.
Type
f
V
Description
VIPCLK
AL12
I/O
(PD)
0-75 MHz
3.3
Video Input Port Clock.
VID[7:0]
AK12,
AL13,
AK13,
AJ13,
AH13,
AL15,
AK15,
AJ15
I/O
(PD)
0-150 Mb/s
3.3
Video Input Port Data.
VIPSYNC
AL14
I/O
(PD)
0-150 Mb/s
3.3
Video Input Port Sync Signal.
VIP_HSYNC
AE2
I
0-150 Mb/s
3.3
Video Input Port Horizontal Sync.
VIP_VSYNC
AD4
I
0-150 Mb/s
3.3
Video Input Port Vertical Sync.