Area 0 Burst Rom Interface Control Register (Bromcrh) Area 1 Burst Rom Interface Control Register (Bromcrl) - Renesas H8S/2368 Series Hardware Manual

6.3.6 Area 0 Burst ROM Interface Control Register (BROMCRH)
Area 1 Burst ROM Interface Control Register (BROMCRL)
BROMCRH and BROMCRL are used to make burst ROM interface settings. Area 0 and area 1
burst ROM interface settings can be made independently in BROMCRH and BROMCRL,
respectively.
Bit Bit Name
7 BSRMn
6 BSTSn2
5 BSTSn1
4 BSTSn0
−
3 and
2
1 BSWDn1
0 BSWDn0
Rev. 2.00, 05/03, page 120 of 820
Initial Value R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
Description
Burst ROM Interface Select
Selects the basic bus interface or burst ROM
interface.
0: Basic bus interface space
1: Burst ROM interface space
Burst Cycle Select
These bits select the number of burst cycle
states.
000: 1 state
001: 2 states
010: 3 states
011: 4 states
100: 5 states
101: 6 states
110: 7 states
111: 8 states
Reserved
Though these bits can be read from or written
to, the write value should always be 0.
Burst Word Number Select
These bits select the number of words that can
be burst-accessed on the burst ROM interface.
00: Maximum 4 words
01: Maximum 8 words
10: Maximum 16 words
11: Maximum 32 words
(n = 1 or 0)