Priority Mode Register (Priority_Mode) - Samsung S3C2416 User Manual

INTERRUPT CONTROLLER

2.8 PRIORITY MODE REGISTER (PRIORITY_MODE)

Register
PRIORITY_MODE1
PRIORITY_MODE2
PRIORITY_MODE1
ARB_MODE6
ARB_SEL6
ARB_MODE5
ARB_SEL5
ARB_MODE4
ARB_SEL4
10-24
Address R/W
0x4A000030 R/W
0x4A000070 R/W
Bit
[27] Arbiter 6 group priority mode selection
0 = Fixed ends & Rotate middle
1 = Rotate all
[26:24] Arbiter 6 group priority order set
1) ARB_MODE6 = 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_MODE6 = 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
[23] Arbiter 5 group priority mode selection
0 = Fixed ends & Rotate middle
[22:20] Arbiter 5 group priority order set
1) ARB_MODE5 = 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
[19] Arbiter 4 group priority mode selection
0 = Fixed ends & Rotate middle
1 = Rotate all
[18:16] Arbiter 4 group priority order set
1) ARB_MODE4 = 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_MODE4 = 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
Description
IRQ priority mode register
IRQ priority mode register
Description
S3C2416X RISC MICROPROCESSOR
Reset Value
0x00000000
0x00000000
Initial State
0
0
0
0
0
0