upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 830

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Chapter 23
830
Bit position
4 to 0
Initial Value
Table 23-6
Address
Access
WST0[4:0]
Bit name
Note
(3)
LBWST0 - LCD Bus Interface wait state register
The 8-bit LBWST0 register determines the number of wait states of the LCD
Bus Interface. The number of wait states defines the duration of the DBWR
and DBRD signals. This duration must remain below the cycle time.
This register can be read/written in 8-bit or 1-bit units.
FFFF FB62
00
LBWST0 register contents
Always keep LBWST0.WST0 < LBCYC0.CYC0 – 2.
Preliminary User’s Manual U17566EE1V2UM00
H
Sets the number of wait states of the LCD Bus Interface.
. This register is cleared by any reset.
R
7
0
WST0[4:0]
00000
00001
00010
00011
11111
H
...
R
6
0
b
b
b
b
b
R
5
0
Wait states
No wait state inserted
1 wait state
2 wait states
3 wait states
...
31 wait states
WST04
R/W
4
Function
WST03
R/W
3
LCD Bus Interface (LCD-I/F)
WST02
R/W
2
WST01
R/W
1
WST00
R/W
0