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3.2.2.2
Hex LED Data Register 2 (LEDDAT2)
LEDDAT2, defined in
For locations and more information about the hex LED displays, see
Table 4 on page
To assign values to the digits, see
Note: Ignore reads from reserved bits. Write 0b0 to reserved bits.
Table 19. LEDDAT2 Bit Definitions
Physical Address: 0x0800_0014
Bit
15
14
13
Name
Reset
1
1
1
Bits
Name
15:8
DIGITxDP
7:6
—
5:3
HEX1Lx
2:0
HEX0Lx
54
Table
19, contains 16 read/write bits to control the seven-segment LED dots.
33. For more information on the dot names, see the Liteon LTC-4627JF data sheet.
Section
LEDDAT2
12
11
10
9
1
1
1
1
Access
Description
Control the seven-segment LED decimal points:
R/W
0 = decimal point ON
1 = decimal point OFF
—
reserved
Control the seven-segment LED dots for HEX1:
R/W
0 = dot ON
1 = dot OFF
Control the seven-segment LED dots for HEX0:
R/W
0 = dot ON
1 = dot OFF
3.2.2.1. To blank the digits, see
®
Intel
PXA27x Processor Developer's Kit
8
7
6
5
reserved
1
0
0
1
®
Intel
PXA27x Processor Developer's Kit - User's Guide
Figure 3 on page 16
and
Section
3.2.2.3.
4
3
2
1
1
1
1
1
0
1
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