PNX1501E NXP Semiconductors, PNX1501E Datasheet - Page 644

• Manufacturer Part Number: PNX1501E
• Description: Digital Signal Processors & Controllers (DSP, DSC) MEDIA PROCESSOR PNX15XX/266MHZ
• Manufacturer: NXP Semiconductors

Specifications of PNX1501E

• Product: DSPs
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-795
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: Details
• Other names: PNX1501E,557

Philips Semiconductors
Volume 1 of 1
2. Functional Description
3. Operation
12NC 9397 750 14321
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. 2 — 1 December 2004
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. 2002-2003-2004. All rights reserved.
PNX15xx Series
dtl1
dtl0
dtl2
21-3