Datasheet

Section 6 Bus Controller (BSC)
Rev. 2.00 Sep. 28, 2009 Page 116 of 870
REJ09B0429-0200
Table 6.7 Bit Settings and Bus Specifications of Basic Bus Interface
Area
IOSE CS256E IOS Extended Area 256-Kbyte Extended Area
1 0 ⎯
1
ABW, AST, WMS1, WMS0,
WC1, WC0
ABW256, AST256, WMS10,
WC11, WC10
0 0 ⎯ ⎯
1 ABW256, AST256, WMS10,
WC11, WC10
Table 6.8 Bus Specifications for IOS Extended Area/Multiplex Bus Interface (Address
Cycle)
AST WMS1 WMS0 WC22 WC1 WC0
Number of
Access
States
Number of
Program
Wait States
⎯ ⎯ ⎯ 0 ⎯ ⎯ 2 0
1 ⎯ ⎯ 1
Table 6.9 Bus Specifications for IOS Extended Area/Multiplex Bus Interface (Data Cycle)
AST WMS1 WMS0 WC1 WC0
Number of
Access
States
Number of
Program
Wait States
0 — — — — 2 0
0 1 — — 3 0
0 3 0 0
1 1
1
Other than WMS1 = 0 and
WMS0 = 1
1 0 2
1 3