R1610C RDC Semiconductor, R1610C Datasheet - Page 54

• Manufacturer Part Number: R1610C
• Description: High Performance 16 Bits MCU Integrated One 10/100M Mac Controller - 3.3V Operating Voltage/2.5V Core Voltage
• Manufacturer: RDC Semiconductor

R
in the Poll register.
R
NSPEC
IREQ
14-5
14-5
54
Register Offset:
Register Name:
Reset Value
Register Offset:
Register Name:
Reset Value
4-0
4-0
15
Bit
15
Bit
15
15
D
D
NSPEC
14
14
When the Poll register is read, the current interrupt is acknowledged and the next interrupt takes its place
Name
Name
S[4:0]
S[4:0]
IREQ
Rsvd
Rsvd
C
C
13
13
®
®
:
:
Attribute
Attribute
R
R
I
I
S
S
C
C
R/W
R/W
R/W
WO
RO
RO
24h
Poll Register
──
22h
End-of-Interrupt
Write Only
D
D
12
12
S
S
P
P
C
C
o
o
m
m
m
m
u
u
11
11
n
n
Interrupt Request.
Set 1: if an interrupt is pending. The S[4:0] field contains valid data.
Reserved
Poll Status.
It indicates the interrupt type of the highest priority pending interrupts.
Non-Specific EOI.
Set 1: indicates non-specific EOI.
Set 0: indicates the specific EOI interrupt type in S[4:0].
Reserved
Source EOI Type.
It specifies the EOI type of the interrupt that is currently being processed.
i
i
c
c
a
a
t
t
i
i
o
o
n
n
10
10
Reserved
Reserved
9
9
8
8
7
7
6
6
Description
Description
5
5
4
4
Fast Ethernet RISC Processor
3
3
S [4:0]
S [4:0]
2
2
1
1
R1610C
October 27, 2003
0
0
Final Version 1.5
Data Sheet