upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 272

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

Chapter 7
272
LB71 LB70 LB61 LB60 LB51 LB50 LB41 LB40 LB31 LB30 LB21 LB20 LB11 LB10 LB01 LB00
Bit position
15
15 to 0
CS7
14
Initial Value
Table 7-19
Address
Access
13
Bit name
CS6
LBk[1:0]
(2)
12
LBS - Local bus size configuration register
The 16-bit LBS register controls the data bus width for each chip select area.
This register can be read/written in 16-bit units.
FFFF F48E
AAAA
LBS register contents
Preliminary User’s Manual U17566EE1V2UM00
11
Function
Sets the data bus width for each chip select area.
CS5
H
.
10
LBk1
0
0
1
1
H
9
CS4
LBk0
0
1
0
1
8
Data bus size
8 bit
16 bit
32 bit
prohibited
7
CS3
6
Bus and Memory Control (BCU, MEMC)
5
CS2
4
3
CS1
2
1
CS0
0