pnx1500 NXP Semiconductors, pnx1500 Datasheet - Page 154

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

Philips Semiconductors
Volume 1 of 1
PNX15XX_SER_3
Product data sheet
Figure 1:
XTALO
XTALI
dds_tst_bypass
Clock Module Block Diagram
clk_dds_tst
(analog pad)
sel_div_tst
pll1_7_fb
oscillator
pad
en
xtal_clk
Figure 1
(DFT) have been added into the drawing and can be disregarded for functional
behavior. The signals in
functional operating mode.
Custom Analog Block (CAB)
low jitter PLL (external to CAB)
DDS
1.728 GHz
PLL2
shows a block diagram of the Clock Module. Additional Design For Test
/2
DDS0
DDS1
DDS2
DDS3
DDS4
DDS5
DDS6
DDS7
DDS8
bypass dds
clk_mem
Rev. 3 — 17 March 2006
DIVIDER
DIVIDER
PLL0
red
PLL1
slice_test_in
are for ATE purpose and are disabled in normal
MSB in DDSx_CTL
registers selects test input
on DDS
slice
tps_clocks
slice
tst_clk_mem
tst_clk_fpi
DFT LOGIC
MMIO-Interface
Control Regs
&
Chapter 5: The Clock Module
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
PNX15xx Series
slice_test_out
ccb_si
tst_clk_enable
tst_ccb_shift
ccb_so
tst_clk
tst_cab_bypass
RESET_IN_N
5-3