pnx1500 NXP Semiconductors, pnx1500 Datasheet - Page 651

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

Philips Semiconductors
Volume 1 of 1
2. Functional Description
3. Operation
PNX15XX_SER_3
Product data sheet
Figure 1:
VLD Block Diagram
VLD_INT
start_code_detector
2.1 VLD Block Level Diagram
3.1 Reset-Related Issues
A system reset will cause the Variable Length Decoder to clear all registers to default
values and will force all state machines to the IDLE state. Any DMA activity in
MMIO-DTL
Interface
dmv and motion
escape_codes
dctcoef[0]
dctcoef[1]
mb_addr
mb_type
dct_lum
dct_chr
cbp
Rev. 3 — 17 March 2006
Shifter
Chapter 21: MPEG-1 and MPEG-2 Variable Length Decoder
VLD State Machines
Control and Status
Registers
Run Length
MB Header
Input DMA
Writeback
Writeback
FIFO
FIFO
FIFO
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
PNX15xx Series
dtl1
dtl0
dtl2
21-3