S3C24A0A Datasheet, PDF (146/519 Pages) Samsung semiconductor – 32-BIT RISC MICROPROCESSOR

S3C24A0A RISC MICROPROCESSOR (Preliminary Spec)
INTERRUPT CONTROLLER
PRIORITY REGISTER (PRIORITY)
Register
PRIORITY
Address
0X4020000C
R/W
Description
R/W IRQ priority control register
PRIORITY
ARB_SEL6
ARB_SEL5
ARB_SEL4
ARB_SEL3
ARB_SEL2
ARB_SEL1
ARB_SEL0
ARB_MODE6
ARB_MODE5
ARB_MODE4
ARB_MODE3
ARB_MODE2
ARB_MODE1
ARB_MODE0
Bit
[20:19]
[18:17]
[16:15]
[14:13]
[12:11]
[10:9]
[8:7]
[6]
[5]
[4]
[3]
[2]
[1]
[0]
Description
Arbiter 6 group priority order set
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
Arbiter 5 group priority order set
00 = REQ 1-2-3-4
01 = REQ 2-3-4-1
10 = REQ 3-4-1-2
11 = REQ 4-1-2-3
Arbiter 4 group priority order set
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
Arbiter 3 group priority order set
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
Arbiter 2 group priority order set
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
Arbiter 1 group priority order set
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
Arbiter 0 group priority order set
00 = REQ 1-2-3-4
01 = REQ 2-3-4-1
10 = REQ 3-4-1-2
11 = REQ 4-1-2-3
Arbiter 6 group priority rotate enable
0 = Priority does not rotate, 1 = Priority rotate enable
Arbiter 5 group priority rotate enable
0 = Priority does not rotate, 1 = Priority rotate enable
Arbiter 4 group priority rotate enable
0 = Priority does not rotate, 1 = Priority rotate enable
Arbiter 3 group priority rotate enable
0 = Priority does not rotate, 1 = Priority rotate enable
Arbiter 2 group priority rotate enable
0 = Priority does not rotate, 1 = Priority rotate enable
Arbiter 1 group priority rotate enable
0 = Priority does not rotate, 1 = Priority rotate enable
Arbiter 0 group priority rotate enable
0 = Priority does not rotate, 1 = Priority rotate enable
Reset Value
0x7f
Initial State
0
0
0
0
0
0
0
1
1
1
1
1
1
1
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.
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