upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 831
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
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LCD Bus Interface (LCD-I/F)
31
Bit Position
Bit Position
Bit Position
31
15
31 to 0
15 to 0
7 to 0
Access types
30
14
4
Initial Value
th
Table 23-7
Table 23-8
Table 23-9
Byte
Address
Access
29
13
DATA[31:0]
DATA[15:0]
Bit Name
Bit Name
Bit Name
DATA[7:0]
(4)
28
12
24 23
LBDATA0 - LCD Bus Interface data register
The 32-bit LBDATA0 register contains the data that is transferred via the LCD
Bus Interface.
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
FFFF FB70
0000 0000
LBDATA0W register contents
LBDATA0 register contents
LBDATA0L register contents
Depending on the access to this register (byte, halfword or word), a defined
number of transfers via the external bus interface are performed:
• Byte:
• Halfword:
• Word:
When the data is split into bytes and transferred consecutively, the byte order
is as follows:
Preliminary User’s Manual U17566EE1V2UM00
Function
Data that is written to or read from the LCD Bus Interface
Function
Data that is written to or read from the LCD Bus Interface
Function
Data that is written to or read from the LCD Bus Interface
The byte is transferred via the bus interface.
The halfword is split into 2 bytes that are transferred consecutively via the
bus interface.
The word is split into 4 bytes that are transferred consecutively via the bus
interface.
27
11
26
10
3
H
H
rd
. This register is cleared by any reset.
Byte
25
9
24
8
DATA
DATA
16 15
23
7
22
6
2
nd
Byte
21
5
20
4
8
7
19
3
18
2
1
st
Byte
Chapter 23
17
1
16
0
831
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