E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 167
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E62655RUSB
Manufacturer Part Number
E62655RUSB
Description
EMULATOR BASE H8S/2655R W/USB
Manufacturer
Renesas Electronics America
Type
Microcontrollerr
Datasheet
1.E62655RUSB.pdf
(1093 pages)
Specifications of E62655RUSB
Contents
E6000 Emulator Unit and 4 Logic Probes
For Use With/related Products
H8S/2655R
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 167 of 1093
- Download datasheet (6Mb)
6.2.3
WCRH and WCRL are 8-bit readable/writable registers that select the number of program wait
states for each area.
In normal mode, only part of area is 0 is enabled, and bits W01 and W00 select the number of
program wait states for the external space. The settings of bits W71, W70 to W11, and W10 have
no effect on operation.
Program waits are not inserted in the case of on-chip memory or internal I/O registers.
WCRH and WCRL are initialized to H'FF by a power-on reset and in hardware standby mode.
They are not initialized by a manual reset or in software standby mode.
(1) WCRH
Bits 7 and 6—Area 7 Wait Control 1 and 0 (W71, W70): These bits select the number of
program wait states when area 7 in external space is accessed while the AST7 bit in ASTCR is set
to 1.
Bit 7
W71
0
1
Bit
Initial value
R/W
Wait Control Registers H and L (WCRH, WCRL)
Bit 6
W70
0
1
0
1
:
:
:
W71
R/W
7
1
Description
Program wait not inserted when external space area 7 is accessed
1 program wait state inserted when external space area 7 is accessed
2 program wait states inserted when external space area 7 is accessed
3 program wait states inserted when external space area 7 is accessed
W70
R/W
6
1
W61
R/W
5
1
W60
R/W
4
1
Rev. 5.00 Sep 14, 2006 page 137 of 1060
W51
R/W
3
1
W50
R/W
2
1
Section 6 Bus Controller
W41
R/W
REJ09B0331-0500
1
1
(Initial value)
W40
R/W
0
1
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