TMS320C6678
Multicore Fixed and Floating-Point Digital Signal Processor
SPRS691D—April 2013
www.ti.com
2 Device Overview
2.1 Device Characteristics
Table 2-1 shows the significant features of the device.
Table 2-1
Device Characteristics
HARDWARE FEATURES
TMS320C6678
DDR3 Memory Controller (64-bit bus width) [1.5 V I/O]
(clock source = DDRREFCLKN|P)
1
EDMA3 (16 independent channels) [DSP/2 clock rate]
1
2
1
1
2
1
1
1
2
1
1
1
EDMA3 (64 independent channels) [DSP/3 clock rate]
High-speed 1×/2x/4× Serial RapidIO Port (4 lanes)
PCIe (2 lanes)
10/100/1000 Ethernet
Management Data Input/Output (MDIO)
HyperLink
Peripherals
EMIF16
TSIP
SPI
UART
I2C
64-Bit Timers (configurable) (internal clock source = CPU/6 clock frequency)
Sixteen 64-bit (each configurable as two32-bit
timers)
General-Purpose Input/Output Port (GPIO)
Packet Accelerator
16
1
Accelerators
(1)
Security Accelerator
1
Size (Bytes)
8832KB
256KB L1 Program Memory [SRAM/Cache]
256KB L1 Data Memory [SRAM/Cache]
4096KB L2 Unified Memory/Cache
4096KB MSM SRAM
On-Chip Memory
Organization
128KB L3 ROM
C66x CorePac
Revision ID
See Section 5.5 ‘‘C66x CorePac Revision’’ on
page 115.
CorePac Revision ID Register (address location: 0181 2000h)
JTAGID register (address location: 0262 0018h)
See Section 3.3.3 ‘‘JTAG ID (JTAGID) Register
Description’’ on page 80
JTAG BSDL_ID
Frequency
1250 (1.25 GHz)
MHz
ns
1000 (1.0 GHz)
0.8 ns (1.25 GHz)
1 ns (1.0 GHz)
Cycle Time
Voltage
Core (V)
SmartReflex variable supply
1.0 V, 1.5 V, and 1.8 V
0.040 m
I/O (V)
Process Technology
BGA Package
Product Status (2)
m
24 mm × 24 mm
841-Pin Flip-Chip Plastic BGA (CYP)
PD
Product Preview (PP), Advance Information (AI), or Production Data (PD)
End of Table 2-1
1 The Security Accelerator function is subject to export control and will be enabled only for approved device shipments.
2
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production
processing does not necessarily include testing of all parameters.
Copyright 2013 Texas Instruments Incorporated
Device Overview 17
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