h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 164

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 6 Bus Controller
6.3.4
WSCR2 is used to specify the wait mode and number of wait states in access to the 256-kbyte
expansion area and CP/CF expansion area.
Rev. 3.00 Jan 25, 2006 page 112 of 872
REJ09B0286-0300
Bit
7
6
5
4
3
Bit Name
WMS10
WC11
WC10
WMS21
WMS20
Wait State Control Register 2 (WSCR2)
Initial Value
0
1
1
0
0
R/W
R/W
R/W
R/W
R/W
R/W
256-kbyte Expansion Area Wait Mode Select 0
Selects the wait mode for access to the 256-kbyte
expansion area when the CS256E bit in SYSCR and
the AST256 bit in WSCR are set to 1.
0: Program wait mode
1: Wait disabled mode
256-kbyte Expansion Area Wait Count 1, 0
Select the number of program wait states to be inserted
for access to the 256-kbyte expansion area when the
CS256E bit in SYSCR and the AST256 bit in WSCR are
set to 1.
00: Program wait state is not inserted
01: 1 program wait state is inserted
10: 2 program wait states are inserted
11: 3 program wait states are inserted
CP/CF Expansion Area Wait Mode Select 1, 0
Select the wait mode for access to the CP/CF
expansion area when the CPCSE and ASTCP bits in
BCR2 are set to 1.
00: Program wait mode
01: Wait disabled mode
10: Pin wait mode
11: Pin auto-wait mode (only in CP expansion area
Description
access)