UPD784938 Datasheet, PDF (616/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 24 LOCAL BUS INTERFACE FUNCTION
Figure 24-9. Programmable Wait Control Register (PWC1/PWC2) Format
(a) Programmable wait control register 1 (PWC1)
7
6
5
4
3
2
1
0 Address After reset R/W
PWC1 PW31 PW30 PW21 PW20 PW11 PW10 PW01 PW00 0FFC7H
AAH
R/W
Address
PW01 PW00
Subject to Wait
Wait Cycle Insertion
000000H to
0
00
003FFFH
0
11
1
02
1
1 Access wait cycle inserted only for
WAIT pin low-level input period
Address
PW11 PW10
Subject to Wait
Wait Cycle Insertion
004000H to
007FFFH
0
00
0
11
1
02
1
1 Access wait cycle inserted only for
WAIT pin low-level input period
Address
PW21 PW20
Subject to Wait
Wait Cycle Insertion
008000H to
0
00
00BFFFH
0
11
1
02
1
1 _{Access wait cycle inserted only for}
WAIT pin low-level input period
Address
PW31 PW30
Subject to Wait
Wait Cycle Insertion
00C000H to
0
00FFFFH^Note
0
00
11
1
02
1
1 Access wait cycle inserted only for
WAIT pin low-level input period
Note Except part overlapping internal data area
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Preliminary User’s Manual U13987EJ1V0UM00