PNX1500E NXP Semiconductors, PNX1500E Datasheet - Page 188
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PNX1500E
Manufacturer Part Number
PNX1500E
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1500E.pdf
(828 pages)
Specifications of PNX1500E
Lead Free Status / Rohs Status
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NXP Semiconductors
Volume 1 of 1
Table 11: CLOCK MODULE REGISTERS
PNX15XX_PNX952X_SER_N_4
Product data sheet
Bit
3
2:1
0
Offset 0x04,7108
31:7
6
5:3
2:1
0
Offset 0x04,710C
31:4
3
2:1
0
Offset 0x04,7110
31:7
Symbol
turn_off_ack
sel_clk_mem
en_clk_mem
Reserved
turn_off_ack
sel_clk_2dde_src
sel_clk_2dde
en_clk_2dde
Reserved
turn_off_ack
sel_clk_pci
en_clk_pci
Reserved
CLK_2DDE_CTL
CLK_PCI_CTL
CLK_MBS_CTL
Acces
s
R
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
…Continued
Value
0
00
1
-
0
111
00
1
-
0
01
1
-
Rev. 4.0 — 03 December 2007
Description
0 - Indicates if the enabled clock is running
1 - Indicates that the clock is being blocked during a frequency
change to avoid glitches
00: clk_mem = PLL2
01: clk_mem = PLL2
10: clk_mem = 27 MHz xtal_clk
11: clk_mem = GPIO[7]
1: enable clk_mem
To ensure software backward compatibility unused or reserved bits
must be written as zeros and ignored upon read.
0 - Indicates if the enabled clock is running
1 - Indicates that the clock is being blocked during a frequency
change to avoid glitches
000: clk_2dde_src = clk_144
001: clk_2dde_src = clk_123
010: clk_2dde_src = clk_108
011: clk_2dde_src = clk_96
100: clk_2dde_src = clk_86
101: clk_2dde_src = clk_78
110: clk_2dde_src = clk_72
111: clk_2dde_src = clk_66
00: clk_2dde = 27 MHz xtal_clk
01: clk_2dde = clk_2d2_src
10: clk_2dde = 27 MHz xtal_clk
11: clk_2dde = AI_SD[1]
1: enable clk_2dde
To ensure software backward compatibility unused or reserved bits
must be written as zeros and ignored upon read.
0 - Indicates if the enabled clock is running
1 - Indicates that the clock is being blocked during a frequency
change to avoid glitches
00: clk_pci = 27 MHz xtal_clk
01: clk_pci = clk_33
10: clk_pci = xtal_clk/16 = 1.68 MHz
11: clk_pci = AI_SD[2]
1: enable clk_pci
To ensure software backward compatibility unused or reserved bits
must be written as zeros and ignored upon read.
PNX15xx/952x Series
Chapter 5: The Clock Module
© NXP B.V. 2007. All rights reserved.
5-188
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