HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 166

• Manufacturer Part Number: HD6417618
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 7 Bus State Controller (BSC)
Rev. 6.00 Jun. 12, 2007 Page 134 of 610
REJ09B0131-0600
Bit
10
9
8
7
6
5, 4
Bit Name
PCW3
PCW2
PCW1
PCW0
WM

Initial
Value
1
0
1
0
0
All 0
R/W
R/W
R/W
R/W
R/W
R/W
R
Description
Number of Access Wait Cycles
Specify the number of wait cycles to be inserted.
0000: 3 cycles
0001: 6 cycles
0010: 9 cycles
0011: 12 cycles
0100: 15 cycles
0101: 18 cycles
0110: 22 cycles
0111: 26 cycles
1000: 30 cycles
1001: 33 cycles
1010: 36 cycles
1011: 38 cycles
1100: 52 cycles
1101: 60 cycles
1110: 64 cycles
1111: 80 cycles
External Wait Mask Specification
Specify whether or not the external wait input is valid. The
specification by this bit is valid even when the number of
access wait cycle is 0.
0: External wait is valid
1: External wait is ignored
Reserved
These bits are always read as 0. The write value should
always be 0.