upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 267

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

Bus and Memory Control (BCU, MEMC)
Initialization
Table 7-13
Caution
Initialize the CSCn registers as shown in
• Table 7-13 for µPD70F3426
• Table 7-14 for µPD70F3427
Initialization of the µPD70F3426 CSCn registers
For the µPD70F3426 the CSC0 register must be changed to 2811
must be left with its default value 2C11
setting CSC0 = 2811
Preliminary User’s Manual U17566EE1V2UM00
Bits
CSC0.CS0[3:0]
CSC0.CS1[3:0]
CSC0.CS2[3:0]
CSC0.CS3[3:0]
CSC1.CS4[3:0]
CSC1.CS5[3:0]
CSC1.CS6[3:0]
CSC1.CS7[3:0]
Set to value
0001
1000
1000
0010
0010
1100
0001
0001
H
.
B
B
B
B
B
B
B
B
Comment
CS0 assigned to bank 0 to VSB Flash memory
010 0000
CSC0.CS0[3:0] must be left with their default
value 1000
CSC0.CS1[3:0] must be left with their default
value 1000
CS2 assigned to bank 3 to VSB RAM memory
060 0000
Caution:
CSC0.CS3[3:0] must be left with their default
value 0010
CSC0.CS4[3:0] must be left with their default
value 0010
CSC0.CS5[3:0] must be left with their default
value 1100
CSC0.CS6[3:0] must be left with their default
value 0001
CSC0.CS7[3:0] must be left with their default
value 0001
H
. Do not modify these registers after
H
H
B
B
B
B
B
B
B
- 01F FFFF
- 060 5FFF
CSC0.CS2[3:0] must be changed
to 1000
.
.
.
.
.
.
.
B
(default value is 1100
H
H
.
.
H
and CSC1
Chapter 7
B
).
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