pnx1500 NXP Semiconductors, pnx1500 Datasheet - Page 156

• Manufacturer Part Number: pnx1500
• Description: Pnx15xx Series Connected Media Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Volume 1 of 1
Table 1: PNX15xx Series Module and Bus Clocks
PNX15XX_SER_3
Product data sheet
Bus or
Module
MBS
TMDBG
GPIO
10/100
Ethernet
MAC
IIC
DVDD
Signal Name
clk_mbs
clk_tstamp
clk_lan
clk_lan_tx
clk_lan_rx
clk_iic
scl1_out
clk_dvdd
Description
MBS clock
Timestamp clock
Ethernet PHY
Clock
Ethernet Transmit
Clock
Ethernet Receiver
Clock
I
IIC_SCL pin
DVDD block
2
C module clock
Frequencies
108 MHz
up to 50 MHz
up to 27 MHz
up to 27 MHz
24 MHz
24 MHz/n
Rev. 3 — 17 March 2006
• 144 MHz
• 123 MHz
• 108 MHz
• 96 MHz
• 86 MHz
• 78 MHz
• 72 MHz
• 66 MHz
• 144 MHz
• 123 MHz
• 108 MHz
• 96 MHz
• 86 MHz
• 78 MHz
• 72 MHz
• 54 MHz
MMIO Clock Module Control
Register(s)
CLK_MBS_CTL
CLK_TSTAMP_CTL
CLK_LAN_CTL and
CLK_LAN_TX_CTL
CLK_LAN_RX_CTL
CLK_IIC1_CTL
n is controlled by the I
module to generate an up to
400 KHz clock.
CLK_DVDD_CTL
• PLL1_CTL and
• or DDS4_CTL
• or DDS7_CTL
DDS1_CTL
Chapter 5: The Clock Module
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
2
C
PNX15xx Series
Standard
Clock Source
1.728 GHz DIVIDERS
1.728 GHz DIVIDERS
DDS7
EXTERNAL
EXTERNAL
1.728 GHz DIVIDERS
INTERNAL
1.728 GHz DIVIDERS
5-5