Power, Reset, and Clock Management
8.1.12.3.5 CM_MAC_CLKSEL Register (offset = 14h) [reset = 4h]
CM_MAC_CLKSEL is shown in
and described in
Selects the clock divide ration for MII clock [warm reset insensitive]
Figure 8-142. CM_MAC_CLKSEL Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
R-0h
15
14
13
12
11
10
9
8
Reserved
R-0h
7
6
5
4
3
2
1
0
Reserved
MII_CLK_SEL
Reserved
R-0h
R/W-1h
R-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 8-151. CM_MAC_CLKSEL Register Field Descriptions
Bit
Field
Type
Reset
Description
31-3
Reserved
R
0h
2
MII_CLK_SEL
R/W
1h
MII Clock Divider Selection.
This bit is warm reset insensitive when CPSW RESET_ISO is
enabled
0x0 = SEL0 : Selects 1/2 divider of SYSCLK2
0x1 = SEL1 : Selects 1/5 divide ratio of SYSCLK2
1-0
Reserved
R
0h
679
SPRUH73H – October 2011 – Revised April 2013
Power, Reset, and Clock Management (PRCM)
Copyright © 2011–2013, Texas Instruments Incorporated