User's Manual

Table Of Contents
S3C2450X RISC MICROPROCESSOR INTERRUPT CONTROLLER
10-27
PRIORITY_MODE2 Bit Description Initial State
ARB_MODE13 [27] Arbiter 13 group priority mode selection
0 = Fixed ends & Rotate middle
1 = Rotate all
0
ARB_SEL13 [26:24] Arbiter 13 group priority order set
1) ARB_MODE13 = 1’b0
00 = REQ 0-1-2-3-4-5
01 = REQ 0-2-3-4-1-5
10 = REQ 0-3-4-1-2-5
11 = REQ 0-4-1-2-3-5
2) ARB_MODE13 = 1’b1
000 = REQ 0-1-2-3-4-5
001 = REQ 1-2-3-4-5-0
010 = REQ 2-3-4-5-0-1
011 = REQ 3-4-5-0-1-2
100 = REQ 4-5-0-1-2-3
101 = REQ 5-0-1-2-3-4
0
ARB_MODE12 [23] Arbiter 12 group priority mode selection
0 = Fixed ends & Rotate middle
0
ARB_SEL12 [22:20] Arbiter 12 group priority order set
1) ARB_MODE12 = 1’b0
00 = REQ 0-1-2-3-4-5
01 = REQ 0-2-3-4-1-5
10 = REQ 0-3-4-1-2-5
11 = REQ 0-4-1-2-3-5
0
ARB_MODE11 [19] Arbiter 11 group priority mode selection
0 = Fixed ends & Rotate middle
1 = Rotate all
0
ARB_SEL11 [18:16] Arbiter 11 group priority order set
1) ARB_MODE11 = 1’b0
00 = REQ 0-1-2-3-4-5
01 = REQ 0-2-3-4-1-5
10 = REQ 0-3-4-1-2-5
11 = REQ 0-4-1-2-3-5
2) ARB_MODE11 = 1’b1
000 = REQ 0-1-2-3-4-5
001 = REQ 1-2-3-4-5-0
010 = REQ 2-3-4-5-0-1
011 = REQ 3-4-5-0-1-2
100 = REQ 4-5-0-1-2-3
101 = REQ 5-0-1-2-3-4
0
ARB_MODE10 [15] Arbiter 10 group priority mode selection
0 = Fixed ends & Rotate middle
1 = Rotate all
0
ARB_SEL10 [14:12] Arbiter 10 group priority order set 0