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Freescale Semiconductor Electronic Components Datasheet

MSC8126 Datasheet

Quad Digital Signal Processor

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Freescale Semiconductor
Data Sheet:
Document Number: MSC8126
Rev. 14, 5/2008
MSC8126
Quad Digital Signal
Processor
FC PBGA–431
20 mm × 20 mm
• Four StarCore™ SC140 DSP extended cores, each with an SC140
DSP core, 224 Kbyte of internal SRAM M1 memory (1436 Kbyte
total), 16 way 16 Kbyte instruction cache (ICache), four-entry
write buffer, external cache support, programmable interrupt
controller (PIC), local interrupt controller (LIC), and low-power
Wait and Stop processing modes.
• 475 Kbyte M2 memory for critical data/temporary data buffering.
• 4 Kbyte boot ROM.
• M2-accessible multi-core MQBus connecting the M2 memory
with all four cores, operating at the core frequency, with data bus
access of up to 128-bit reads and up to 64-bit writes, central
efficient round-robin arbiter for core access to the bus, and atomic
control of M2 memory access by the cores and local bus.
• Internal PLL configured are reset by configuration signal values.
• 60x-compatible system bus with 64 or 32 bit data and 32-bit
address bus, support for multi-master designs, four-beat burst
transfers (eight-beat in 32-bit data mode), port size of 64/32/16/8
bits controlled by the internal memory controller,.access to
external memory or peripherals, access by an external host to
internal resources, slave support with direct access to internal
resources including M1 and M2 memories, and on-device
arbitration for up to four master devices.
• Direct slave interface (DSI) using a 32/64-bit slave interface with
21–25 bit addressing and 32/64-bit data transfers, direct access by
an external host to internal/external resources, synchronous or
asynchronous accesses with burst capability in synchronous
mode, dual or single strobe mode, write and read buffers to
improve host bandwidth, byte enable signals for 1/2/4/8-byte
write granularity, sliding window mode for access using a reduced
number of address pins, chip ID decoding to allow one CS signal
to control multiple DSPs, broadcast mode to write to multiple
DSPs, and big-endian/little-endian/munged support.
• Three mode signal multiplexing: 64-bit DSI/32-bit system bus,
32-bit DSI/64-bit system bus, or 32-bit DSI/32-bit system bus.
• Flexible memory controller with three UPMs, a GPCM, a
page-mode SDRAM machine, glueless interface to a variety of
memories and devices, byte enables for 64-/32-bit bus widths, 8
memory banks for external memories, and 2 memory banks for
www.DatIaPSBhuesepte4rUip.hcoermals and internal memories.
• Multi-channel DMA controller with 16 time-multiplexed single
channels, up to four external peripherals, DONE or DRACK
protocol for two external peripherals,.service for up to 16 internal
requests from up to 8 internal FIFOs per channel, FIFO generated
watermarks and hungry requests, priority-based
time-multiplexing between channels using 16 internal priority
levels or round-robin time-multiplexing between channels,
flexible channel configuration with connection to local bus or
system bus, and flyby transfer support that bypasses the FIFO.
• Up to four independent TDM modules with programmable word
size (2, 4, 8, or 16-bit), hardware-base A-law/μ-law conversion,
up to 128 Mbps data rate for all channels, with glueless interface
to E1 or T1 framers, and can interface with H-MVIP/H.110
devices, TSI, and codecs such as AC-97.
• Ethernet controller: support for 10/100 Mbps MII/RMII/SMII
including full- and half-duplex operation, full-duplex flow
controls, out-of-sequence transmit queues, programmable
maximum frame length including jumbo frames and VLAN tags
and priority, retransmission after collision, CRC generation and
verification of inbound/outbound packets, address recognition
(including exact match, broadcast address, individual hash check,
group hash check, and promiscuous mode), pattern matching,
insertion with expansion or replacement for transmit frames,
VLAN tag insertion, RMON statistics, local bus master DMA for
descriptor fetching and buffer access, and optional multiplexing
with GPIO (MII/RMII/SMII) or DSI/system bus signals lines
(MII/RMII).
• UART with full-duplex operation up to 6.25 Mbps.
• Up to 32 general-purpose input/output (GPIO) ports.
• I2C interface that allows booting from EEPROM devices.
• Two timer modules, each with sixteen configurable 16-bit timers.
• Eight programmable hardware semaphores.
• Global interrupt controller (GIC) with interrupt consolidation and
routing to INT_OUT, NMI_OUT, and the cores; thirty-two virtual
maskable interrupts (8 per core) and four virtual NMI (one per
core) that can be generated by a simple write access.
• Boot options: external memory, external host, UART, TDM, or
I2C.
• VCOP with fully programmable feed-forward channel decoding,
feed-forward channel equalization and traceback sessions. Up to
400 3GPP 12.2 kbps AMR channels (channel decoding, number
of channels linear to frequency). Up to 200 blind transport format
detect (BTFD) channels according to the 3GPP standard. Number
of channels linear to frequency.
• TCOP with full support for 3GPP and CDMA2000 standards in
Turbo decode; up to 20 turbo-coding 384 kbps channels; 8 state
PCCC with polynomial as supported by the 3G standards;
iterative decoding structure based on Maximum A-Posteriori
probability (MAP), with calculations performed in the LOG
domain.
© Freescale Semiconductor, Inc., 2004, 2008. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MSC8126 Datasheet

Quad Digital Signal Processor

No Preview Available !

Table of Contents
1 Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.1 FC-PBGA Ball Layout Diagrams . . . . . . . . . . . . . . . . . . .4
1.2 Signal List By Ball Location. . . . . . . . . . . . . . . . . . . . . . .7
2 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
2.1 Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
2.2 Recommended Operating Conditions. . . . . . . . . . . . . .14
2.3 Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . . . .14
2.4 DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . .15
2.5 AC Timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3 Hardware Design Considerations . . . . . . . . . . . . . . . . . . . . . .40
3.1 Start-up Sequencing Recommendations . . . . . . . . . . .40
3.2 Power Supply Design Considerations. . . . . . . . . . . . . .40
3.3 Connectivity Guidelines . . . . . . . . . . . . . . . . . . . . . . . .42
3.4 External SDRAM Selection . . . . . . . . . . . . . . . . . . . . . .43
3.5 Thermal Considerations . . . . . . . . . . . . . . . . . . . . . . . .44
4 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
5 Package Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
6 Product Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
7 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
List of Figures
Figure 1. MSC8126 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 2. StarCore SC140 DSP Extended Core Block Diagram . . 3
Figure 3. MSC8126 Package, Top View . . . . . . . . . . . . . . . . . . . . 5
Figure 4. MSC8126 Package, Bottom View . . . . . . . . . . . . . . . . . . 6
Figure 5. Overshoot/Undershoot Voltage for VIH and VIL. . . . . . . 16
Figure 6. Start-Up Sequence: VDD and VDDH Raised Together . . 17
Figure 7. Start-Up Sequence: VDD Raised Before VDDH with CLKIN
Started with VDDH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 8. Power-Up Sequence for VDDH and VDD/VCCSYN . . . . . 18
Figure 9. Timing Diagram for a Reset Configuration Write . . . . . . 21
Figure 10.Internal Tick Spacing for Memory Controller Signals. . . 22
Figure 11.SIU Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 12.CLKOUT and CLKIN Signals. . . . . . . . . . . . . . . . . . . . . 26
Figure 13.DMA Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 14.Asynchronous Single- and Dual-Strobe Modes Read
Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 15.Asynchronous Single- and Dual-Strobe Modes Write
Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 16.Asynchronous Broadcast Write Timing Diagram . . . . . . 30
Figure 17.DSI Synchronous Mode Signals Timing Diagram . . . . . 31
Figure 18.TDM Inputs Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 19.TDM Output Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 20.UART Input Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 21.UART Output Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 22.Timer Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 23.MDIO Timing Relationship to MDC . . . . . . . . . . . . . . . . 34
Figure 24.MII Mode Signal Timing . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 26.SMII Mode Signal Timing. . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 27.GPIO Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 28.EE Pin Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 29.Test Clock Input Timing Diagram. . . . . . . . . . . . . . . . . . 38
Figure 30.Boundary Scan (JTAG) Timing Diagram . . . . . . . . . . . . 38
Figure 31.Test Access Port Timing Diagram . . . . . . . . . . . . . . . . . 39
Figure 32.TRST Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 33.Core Power Supply Decoupling. . . . . . . . . . . . . . . . . . . 41
Figure 34.VCCSYN Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 35.MSC8126 Mechanical Information, 431-pin FC-PBGA
Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
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MSC8126 Quad Digital Signal Processor Data Sheet, Rev. 14
2 Freescale Semiconductor


Part Number MSC8126
Description Quad Digital Signal Processor
Maker Freescale Semiconductor
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MSC8126 Datasheet PDF





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