YR0K42378FC000BA Renesas Electronics America, YR0K42378FC000BA Datasheet - Page 212
YR0K42378FC000BA
Manufacturer Part Number
YR0K42378FC000BA
Description
KIT EVAL FOR H8S/2378
Manufacturer
Renesas Electronics America
Series
H8®r
Type
MCUr
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of YR0K42378FC000BA
Contents
Board
For Use With/related Products
H8S/2378
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 212 of 1208
- Download datasheet (8Mb)
Section 6 Bus Controller (BSC)
6.3.3
WTCRA and WTCRB select the number of program wait states for each area in the external
address space.
In addition, CAS latency is set when a synchronous DRAM is connected.
• WTCRAH
Bit
15
14
13
12
11
Rev.7.00 Mar. 18, 2009 page 144 of 1136
REJ09B0109-0700
Bit Name
—
W72
W71
W70
—
Wait Control Registers AH, AL, BH, and BL (WTCRAH, WTCRAL, WTCRBH,
and WTCRBL)
Initial Value
0
1
1
1
0
R/W
R
R/W
R/W
R/W
R
Description
Reserved
This bit is always read as 0 and cannot be
modified.
Area 7 Wait Control 2 to 0
These bits select the number of program wait
states when accessing area 7 while AST7 bit in
ASTCR = 1.
000: Program wait not inserted
001: 1 program wait state inserted
010: 2 program wait states inserted
011: 3 program wait states inserted
100: 4 program wait states inserted
101: 5 program wait states inserted
110: 6 program wait states inserted
111: 7 program wait states inserted
Reserved
This bit is always read as 0 and cannot be
modified.
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