RDC
®
RISC DSP Controller
R8810LV
RDC Semiconductor Co.
Rev:1.2
Subject to change without notice
48
affecting the current interrupt request.
Bit 15 : IREQ
, Interrupt Request.
Set 1: if an interrupt is pending. The S4-S0 field contains valid data.
Bit 14-5 :
Reserved.
Bit 4-0 : S4-S0
, Poll Status. Indicates the interrupt type of the highest priority pending interrupt.
(Master Mode)
When the Poll register is read, the current interrupt is acknowledged and the next interrupt takes its place in the Poll register.
Bit 15 : IREQ
, Interrupt Request.
Set 1: if an interrupt is pending. The S4-S0 field contains valid data.
Bit 14-5 :
Reserved.
Bit 4-0 : S4-S0
, Poll Status. Indicates the interrupt type of the highest priority pending interrupt.
(Master Mode)
Bit 15 : NSPEC
, Non-Specific EOI.
Set 1: indicates non-specific EOI.
Set 0: indicates the specific EOI interrupt type in S4-S0.
Bit 14-5 :
Reserved.
Bit 4-0: S4-S0
, Source EOI Type. Specifies the EOI type of the interrupt that is currently being processed.
Poll Register
Offset : 24h
0
Reset Value :
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
S4 - S0
Reserved
IREQ
End - Of - Interrupt
Offset : 22h
0
Reset Value :
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
S4 - S0
NSPEC