R1610C RDC Semiconductor, R1610C Datasheet - Page 90

• 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
18.
R
18.1
18.2
15-7
15-5
90
Register Offset:
Register Name:
Reset Value
Register Offset:
Register Name:
Reset Value
6-4
2-0
4-3
15
Bit
15
Bit
3
D
SDRAM Controller
D
14
14
LAT [2:0]
SSSEL1-0
BL [2:0]
C
SDRAM Mode Set Register
SDRAM Control Register
C
Name
Rsvd
Rsvd
Name
Rsvd
13
13
®
®
:
:
R
R
I
I
S
S
C
Attribute
C
F2h
SDRAM Mode Set Register
0020h
F4h
SDRAM Control Register
0001h
D
D
12
12
Reserved
S
Attribute
S
R/W
P
P
RO
RO
RO
C
C
R/W
o
o
RO
m
m
m
m
u
u
11
11
n
n
i
i
c
c
a
a
t
t
Reserved
CAS_n Latency Select. Refer to the following list:
1’b0.
Burst Length.
i
i
o
o
Reserved
n
n
Reserved
The SDRAM Size Select bit. (Default is 2’b0)
10
10
SSEL1-0 -------- SDRAM Size Select
LAT [2:0]
9
9
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
0 0 -------- 1Mx16 bits
8
8
7
0
7
6
6
CAS_n Latency
LAT [2:0]
Description
Reserved
Reserved
2 (Default)
3
Reserved
Reserved
Reserved
Description
5
5
SSSEL1 SSSEL0 SREF
4
4
Fast Ethernet RISC Processor
3
0
3
2
2
BL [2:0]
Rsvd
1
1
R1610C
SDRAM
October 27, 2003
EN
0
0
Final Version 1.5
Data Sheet