PNX1702EH/G,557 NXP Semiconductors, PNX1702EH/G,557 Datasheet - Page 112
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PNX1702EH/G,557
Manufacturer Part Number
PNX1702EH/G,557
Description
IC MEDIA PROC 500MHZ 456-BGA
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1702EHG557.pdf
(832 pages)
Specifications of PNX1702EH/G,557
Applications
Multimedia
Core Processor
TriMedia
Controller Series
Nexperia
Ram Size
208K x 8
Interface
I²C, 2-Wire Serial
Number Of I /o
61
Voltage - Supply
1.33 V ~ 1.47 V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
456-HBGA
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Program Memory Type
-
Lead Free Status / Rohs Status
Compliant
Other names
935281647557
PNX1702EH/G
PNX1702EH/G
PNX1702EH/G
PNX1702EH/G
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Philips Semiconductors
Volume 1 of 1
PNX17XX_SER_1
Preliminary data sheet
2.2 The CPU View
Remark: Partial 32-bit load or stores from a PCI master to an MMIO register is not
supported. Therefore byte of 16-bit half-word accesses are not supported.
The TM5250 CPU supports three different apertures:
Remark: To ensure backward compatibility with future devices, writes to any
undefined or reserved MMIO bit should be ‘0’, and reads should be ignored. This rules
applies to ALL the modules of PNX17xx Series.
TM5250 CPU accesses the three apertures using regular load/store operations.
Some internal logic in the data cache unit surveys the load/store addresses and
routes the request to the appropriate internal PNX17xx Series registers (this includes
the registers belonging to TM5250) if the address falls into the MMIO aperture. If the
load/store address falls into the DRAM aperture the load/store request is routed to
the data cache and eventually the main memory. Finally if the load/store address falls
into the APERT1 aperture, the request is send to the PCI bus (if it maps to an XIO
device or a PCI internal aperture, see the following
Figure 2
PNX17xx Series system. The apertures can be placed in any order with respect to
each other.
PNX17xx Series allows a host CPU to prevent TM5250 to change its own aperture
registers. This can be obtained by flipping
TM32_CONTROL.TM32_APERT_MODIFIABLE to ‘1’
locations are defined as follows:
Remark: If the value 0x0000,0000 is stored into TM32_DRAM_HI, this value is
understood as 0x1,0000,0000.
•
•
•
•
•
•
the MMIO aperture, used to access all the internal PNX17xx Series registers.
See
the DRAM aperture, used to access the main memory of PNX17xx Series which
contains the instruction and the data for TM5250 and data used by other PCI
masters.
the APERT1 aperture, used by TM5250 to access low speed slave devices like
Flash memories or IDE disk drives that are located in the XIO aperture or any
other PCI slave.
The MMIO aperture is starting at the address contained in the BASE_14 MMIO
register. The register is located and owned by the PCI module. It is equivalent to
the BASE_14 PCI Configuration space register. This is different with respect to
PNX1300 Series or PNX1300 Series where an MMIO_BASE MMIO register was
available.
The DRAM aperture is starting at the address contained in the TM32_DRAM_LO
MMIO register and finishes at TM32_DRAM_HI - 1.
The APERT1 aperture is starting at the address contained in the
TM32_APERT1_LO MMIO register and finishes at TM32_APERT1_HI - 1.
Section 11. on page 3-31
presents the memory map seen by the TM5250 and the remaining of the
Rev. 1 — 17 March 2006
for offset allocation per module.
Chapter 3: System On Chip Resources
Section
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
(Section
PNX17xx Series
2.3).
2.4.1). The aperture
3-3
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