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LCD Bus Interface (LCD-I/F)
31
15
Bit Position
31 to 0
Bit Position
15 to 0
Bit Position
7 to 0
31
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LBDATA0 - LCD Bus Interface data register
The 32-bit LBDATA0 register contains the data that is transferred via the LCD
Bus Interface.
Access
This register can be read/written in 3 different units under following names:
• LBDATA0W: 32-bit access
• LBDATA0: 16-bit access
• LBDATA0L: 8-bit access
Address
FFFF FB70
Initial Value
0000 0000
H
30
29
28
27
26
14
13
12
11
10
Table 23-7
LBDATA0W register contents
Bit Name
Function
DATA[31:0]
Data that is written to or read from the LCD Bus Interface
Table 23-8
LBDATA0 register contents
Bit Name
Function
DATA[15:0]
Data that is written to or read from the LCD Bus Interface
Table 23-9
LBDATA0L register contents
Bit Name
Function
DATA[7:0]
Data that is written to or read from the LCD Bus Interface
Access types
Depending on the access to this register (byte, halfword or word), a defined
number of transfers via the external bus interface are performed:
• Byte:
The byte is transferred via the bus interface.
• Halfword:
The halfword is split into 2 bytes that are transferred consecutively via the
bus interface.
• Word:
The word is split into 4 bytes that are transferred consecutively via the bus
interface.
When the data is split into bytes and transferred consecutively, the byte order
is as follows:
24 23
th
4
Byte
3
Preliminary User's Manual U17566EE1V2UM00
H
. This register is cleared by any reset.
25
24
23
22
DATA
9
8
7
6
DATA
16 15
rd
nd
Byte
2
Chapter 23
21
20
19
18
5
4
3
2
8
7
st
Byte
1
Byte
17
16
1
0
0
831
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