HD64F2168 Datasheet, PDF (150/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

6.3.4 Wait State Control Register 2 (WSCR2)
WSCR2 is used to specify the wait mode and number of wait states in access to the 256-kbyte
extended area and CP extended area.
Bit Bit Name
7 WMS10
6 WC11
5 WC10
4 WMS21
3 WMS20
Initial
Value R/W
0
R/W
1
R/W
1
R/W
0
R/W
0
R/W
Description
256-kbyte Extended Area Wait Mode Select 0
Selects the wait mode for access to the 256-kbyte extended
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 Extended Area Wait Count 1 and 0
Selects the number of program wait states to be inserted into
the data cycle for access to the 256-kbyte extended 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 Extended Area Wait Mode Select 1 and 0
Selects the wait mode for access to the CP extended 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
Rev. 3.00, 03/04, page 110 of 830