6-22
Computer Group Literature Center Web Site
Jumpers, Connectors, and LEDs
6
Notes
1. Power Fail Sense# is intended for input and sends a NMI to
the processor when voltage falls below 0.8V. The signal is
filtered for noise.
2. +3.3V, +5V,
−
12V,
−
5V, and GND should only be used for
low-power applications.
LCD & SPI Connector J27 (MBX821)
On MBX821 models, a 24-pin dual-row header supplies the interface
between the MBX821’s LCD controller and the panel. The pin
assignments for the LCD connector are listed in the following table.
Table 6-13. LCD & SPI Connector Pin Assignments
Pin #
Signal
Signal
Pin #
1
GND
Reserved
2
3
GND
SHIFT/CLK
4
5
GND
LOAD/HSYNC
6
7
+12V
FRAME/VSYNC
8
9
+5V
LCD_AC/OE
10
11
+3.3V
LD0
12
13
LD1
LD2
14
15
LD3
LD4
16
17
LD5
LD6
18
19
LD7
LD8
20
21
SPIMISO
SPIMOSI
22
23
SPICLK
SPISEL
24
Содержание MBX Series
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