R1610C RDC Semiconductor, R1610C Datasheet - Page 20

• 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
5.
R
20
PLL Configuration Table:
For example: If input clock =25 Mhz, then set PFEREQ=1b.
D
Clock Unit
D
Range (Mhz)
Input Clock
C
C
25
40
®
®
If PDIVD[2:0]=000b, then PLL output clock =25 Mhz
If PDIVD[2:0]=011b, then PLL output clock =100 Mhz
TX C 1
R X C 1
R
R
I
I
S
S
C
C
X 2
X 1
D
D
S
S
P
P
PFEREQ[0]
C
C
o
o
m
m
m
m
u
u
n
n
1
0
i
i
c
c
PFER EQ [0]
a
a
t
t
i
i
o
o
n
n
M ultiple
PLL
PD IV D [2:0]
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
PDIVD[2:0]
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Multiple
D e-skew
186C ore
M A C
PLL
1
2
3
4
1
2
Output Clock
SEL
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Fast Ethernet RISC Processor
(Mhz)
100
50
75
40
80
SD _C LK
C LKO U TA
R1610C
October 27, 2003
Final Version 1.5
Data Sheet