Samsung S3C2451X User Manual page 251

S3C2451X RISC MICROPROCESSOR
PRIORITY MODE REGISTER (PRIORITY_MODE)
Register
PRIORITY_MODE
1
PRIORITY_MODE
2
PRIORITY_MODE1
ARB_MODE6
ARB_SEL6
ARB_MODE5
ARB_SEL5
ARB_MODE4
ARB_SEL4
ARB_MODE3
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
10 = REQ 0-3-4-1-2-5
2) ARB_MODE6 = 1'b1
000 = REQ 0-1-2-3-4-5
010 = REQ 2-3-4-5-0-1
100 = REQ 4-5-0-1-2-3
[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
10 = REQ 0-3-4-1-2-5
[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
10 = REQ 0-3-4-1-2-5
2) ARB_MODE4 = 1'b1
000 = REQ 0-1-2-3-4-5
010 = REQ 2-3-4-5-0-1
100 = REQ 4-5-0-1-2-3
[15] Arbiter 3 group priority mode selection
0 = Fixed ends & Rotate middle 1 = Rotate all
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Description
IRQ priority mode register
IRQ priority mode register
Description
01 = REQ 0-2-3-4-1-5
11 = REQ 0-4-1-2-3-5
001 = REQ 1-2-3-4-5-0
011 = REQ 3-4-5-0-1-2
101 = REQ 5-0-1-2-3-4
01 = REQ 0-2-3-4-1-5
11 = REQ 0-4-1-2-3-5
01 = REQ 0-2-3-4-1-5
11 = REQ 0-4-1-2-3-5
001 = REQ 1-2-3-4-5-0
011 = REQ 3-4-5-0-1-2
101 = REQ 5-0-1-2-3-4
INTERRUPT CONTROLLER
Reset Value
0x00000000
0x00000000
Initial State
0
0
0
0
0
0
0
10-25