ZHCSGV3G
June 2009 – January 2017
TMS320C6748
PRODUCTION DATA.
1
器件概述
1.1
特性
1.2
应用
1.3
说明
1.4
功能方框图
2
Revision History
3
Device Comparison
3.1
Device Characteristics
3.2
Device Compatibility
3.3
DSP Subsystem
3.3.1
C674x DSP CPU Description
3.3.2
DSP Memory Mapping
3.3.2.1
External Memories
3.3.2.2
DSP Internal Memories
3.3.2.3
C674x CPU
3.4
Memory Map Summary
Table 3-4
C6748 Top Level Memory Map
3.5
Pin Assignments
3.5.1
Pin Map (Bottom View)
3.6
Pin Multiplexing Control
3.7
Terminal Functions
3.7.1
Device Reset, NMI and JTAG
3.7.2
High-Frequency Oscillator and PLL
3.7.3
Real-Time Clock and 32-kHz Oscillator
3.7.4
DEEPSLEEP Power Control
3.7.5
External Memory Interface A (EMIFA)
3.7.6
DDR2/mDDR Controller
3.7.7
Serial Peripheral Interface Modules (SPI)
3.7.8
Programmable Real-Time Unit (PRU)
3.7.9
Enhanced Capture/Auxiliary PWM Modules (eCAP0)
3.7.10
Enhanced Pulse Width Modulators (eHRPWM)
3.7.11
Boot
3.7.12
Universal Asynchronous Receiver/Transmitters (UART0, UART1, UART2)
3.7.13
Inter-Integrated Circuit Modules(I2C0, I2C1)
3.7.14
Timers
3.7.15
Multichannel Audio Serial Ports (McASP)
3.7.16
Multichannel Buffered Serial Ports (McBSP)
3.7.17
Universal Serial Bus Modules (USB0, USB1)
3.7.18
Ethernet Media Access Controller (EMAC)
3.7.19
Multimedia Card/Secure Digital (MMC/SD)
3.7.20
Liquid Crystal Display Controller(LCD)
3.7.21
Serial ATA Controller (SATA)
3.7.22
Universal Host-Port Interface (UHPI)
3.7.23
Universal Parallel Port (uPP)
3.7.24
Video Port Interface (VPIF)
3.7.25
General Purpose Input Output
3.7.26
Reserved and No Connect
3.7.27
Supply and Ground
3.8
Unused Pin Configurations
4
Device Configuration
4.1
Boot Modes
4.2
SYSCFG Module
4.3
Pullup/Pulldown Resistors
5
Specifications
5.1
Absolute Maximum Ratings Over Operating Junction Temperature Range (Unless Otherwise Noted)
5.2
Handling Ratings
5.3
Recommended Operating Conditions
5.4
Notes on Recommended Power-On Hours (POH)
5.5
Electrical Characteristics Over Recommended Ranges of Supply Voltage and Operating Junction Temperature (Unless Otherwise Noted)
6
Peripheral Information and Electrical Specifications
6.1
Parameter Information
6.1.1
Parameter Information Device-Specific Information
6.1.1.1
Signal Transition Levels
6.2
Recommended Clock and Control Signal Transition Behavior
6.3
Power Supplies
6.3.1
Power-On Sequence
6.3.2
Power-Off Sequence
6.4
Reset
6.4.1
Power-On Reset (POR)
6.4.2
Warm Reset
6.4.3
Reset Electrical Data Timings
6.5
Crystal Oscillator or External Clock Input
6.6
Clock PLLs
6.6.1
PLL Device-Specific Information
6.6.2
Device Clock Generation
6.6.3
Dynamic Voltage and Frequency Scaling (DVFS)
6.7
Interrupts
6.7.1
DSP Interrupts
6.8
Power and Sleep Controller (PSC)
6.8.1
Power Domain and Module Topology
6.8.1.1
Power Domain States
6.8.1.2
Module States
6.9
Enhanced Direct Memory Access Controller (EDMA3)
6.9.1
EDMA3 Channel Synchronization Events
6.9.2
EDMA3 Peripheral Register Descriptions
6.10
External Memory Interface A (EMIFA)
6.10.1
EMIFA Asynchronous Memory Support
6.10.2
EMIFA Synchronous DRAM Memory Support
6.10.3
EMIFA SDRAM Loading Limitations
6.10.4
EMIFA Connection Examples
6.10.5
External Memory Interface Register Descriptions
6.10.6
EMIFA Electrical Data/Timing
Table 6-19
Timing Requirements for EMIFA SDRAM Interface
Table 6-20
Switching Characteristics for EMIFA SDRAM Interface
Table 6-21
Timing Requirements for EMIFA Asynchronous Memory Interface
6.11
DDR2/mDDR Memory Controller
6.11.1
DDR2/mDDR Memory Controller Electrical Data/Timing
6.11.2
DDR2/mDDR Memory Controller Register Description(s)
6.11.3
DDR2/mDDR Interface
6.11.3.1
DDR2/mDDR Interface Schematic
6.11.3.2
Compatible JEDEC DDR2/mDDR Devices
6.11.3.3
PCB Stackup
6.11.3.4
Placement
6.11.3.5
DDR2/mDDR Keep Out Region
6.11.3.6
Bulk Bypass Capacitors
6.11.3.7
High-Speed Bypass Capacitors
6.11.3.8
Net Classes
6.11.3.9
DDR2/mDDR Signal Termination
6.11.3.10
VREF Routing
6.11.3.11
DDR2/mDDR CK and ADDR_CTRL Routing
6.11.3.12
DDR2/mDDR Boundary Scan Limitations
6.12
Memory Protection Units
6.13
MMC / SD / SDIO (MMCSD0, MMCSD1)
6.13.1
MMCSD Peripheral Description
6.13.2
MMCSD Peripheral Register Description(s)
6.13.3
MMC/SD Electrical Data/Timing
Table 6-40
Timing Requirements for MMC/SD (see and )
Table 6-41
Switching Characteristics for MMC/SD (see through )
6.14
Serial ATA Controller (SATA)
6.14.1
SATA Register Descriptions
6.14.2
1. SATA Interface
6.14.2.1
SATA Interface Schematic
6.14.2.2
Compatible SATA Components and Modes
6.14.2.3
PCB Stackup Specifications
6.14.2.4
Routing Specifications
6.14.2.5
Coupling Capacitors
6.14.2.6
SATA Interface Clock Source requirements
6.14.3
SATA Unused Signal Configuration
6.15
Multichannel Audio Serial Port (McASP)
6.15.1
McASP Peripheral Registers Description(s)
6.15.2
McASP Electrical Data/Timing
6.15.2.1
Multichannel Audio Serial Port 0 (McASP0) Timing
Table 6-52
Timing Requirements for McASP0 (1.3V, 1.2V, 1.1V)
Table 6-53
Timing Requirements for McASP0 (1.0V)
Table 6-54
Switching Characteristics for McASP0 (1.3V, 1.2V, 1.1V)
Table 6-55
Switching Characteristics for McASP0 (1.0V)
6.16
Multichannel Buffered Serial Port (McBSP)
6.16.1
McBSP Peripheral Register Description(s)
6.16.2
McBSP Electrical Data/Timing
6.16.2.1
Multichannel Buffered Serial Port (McBSP) Timing
Table 6-57
Timing Requirements for McBSP0 [1.3V, 1.2V, 1.1V] (see )
Table 6-58
Timing Requirements for McBSP0 [1.0V] (see )
Table 6-59
Switching Characteristics for McBSP0 [1.3V, 1.2V, 1.1V] (see )
Table 6-60
Switching Characteristics for McBSP0 [1.0V] (see )
Table 6-61
Timing Requirements for McBSP1 [1.3V, 1.2V, 1.1V] (see )
Table 6-62
Timing Requirements for McBSP1 [1.0V] (see )
Table 6-63
Switching Characteristics for McBSP1 [1.3V, 1.2V, 1.1V] (see )
Table 6-64
Switching Characteristics for McBSP1 [1.0V] (see )
Table 6-65
Timing Requirements for McBSP0 FSR When GSYNC = 1 (see )
Table 6-66
Timing Requirements for McBSP1 FSR When GSYNC = 1 (see )
6.17
Serial Peripheral Interface Ports (SPI0, SPI1)
6.17.1
SPI Peripheral Registers Description(s)
6.17.2
SPI Electrical Data/Timing
6.17.2.1
Serial Peripheral Interface (SPI) Timing
Table 6-68
General Timing Requirements for SPI0 Master Modes
Table 6-69
General Timing Requirements for SPI0 Slave Modes
Table 6-76
General Timing Requirements for SPI1 Master Modes
Table 6-77
General Timing Requirements for SPI1 Slave Modes
Table 6-78
Additional SPI1 Master Timings, 4-Pin Enable Option
Table 6-79
Additional SPI1 Master Timings, 4-Pin Chip Select Option
6.18
Inter-Integrated Circuit Serial Ports (I2C)
6.18.1
I2C Device-Specific Information
6.18.2
I2C Peripheral Registers Description(s)
6.18.3
I2C Electrical Data/Timing
6.18.3.1
Inter-Integrated Circuit (I2C) Timing
Table 6-85
Timing Requirements for I2C Input
Table 6-86
Switching Characteristics for I2C
6.19
Universal Asynchronous Receiver/Transmitter (UART)
6.19.1
UART Peripheral Registers Description(s)
6.19.2
UART Electrical Data/Timing
Table 6-88
Timing Requirements for UART Receive (see )
Table 6-89
Switching Characteristics Over Recommended Operating Conditions for UARTx Transmit (see )
6.20
Universal Serial Bus OTG Controller (USB0) [USB2.0 OTG]
6.20.1
USB0 [USB2.0] Electrical Data/Timing
Table 6-91
Switching Characteristics Over Recommended Operating Conditions for USB0 [USB2.0] (see )
6.21
Universal Serial Bus Host Controller (USB1) [USB1.1 OHCI]
Table 6-93
Switching Characteristics Over Recommended Operating Conditions for USB1 [USB1.1]
6.22
Ethernet Media Access Controller (EMAC)
6.22.1
EMAC Peripheral Register Description(s)
6.22.1.1
EMAC Electrical Data/Timing
Table 6-98
Timing Requirements for MII_RXCLK (see )
Table 6-99
Timing Requirements for MII_TXCLK (see )
Table 6-100
Timing Requirements for EMAC MII Receive 10/100 Mbit/s (see )
Table 6-101
Switching Characteristics Over Recommended Operating Conditions for EMAC MII Transmit 10/100 Mbit/s (see )
6.23
Management Data Input/Output (MDIO)
6.23.1
MDIO Register Description(s)
6.23.2
Management Data Input/Output (MDIO) Electrical Data/Timing
Table 6-105
Timing Requirements for MDIO Input (see and )
Table 6-106
Switching Characteristics Over Recommended Operating Conditions for MDIO Output (see )
6.24
LCD Controller (LCDC)
6.24.1
LCD Interface Display Driver (LIDD Mode)
6.24.2
LCD Raster Mode
Table 6-110
Switching Characteristics Over Recommended Operating Conditions for LCD Raster Mode
6.25
Host-Port Interface (UHPI)
6.25.1
HPI Device-Specific Information
6.25.2
HPI Peripheral Register Description(s)
6.25.3
HPI Electrical Data/Timing
Table 6-112
Timing Requirements for Host-Port Interface [1.2V, 1.1V]
Table 6-113
Switching Characteristics Over Recommended Operating Conditions for Host-Port Interface [1.3V, 1.2V, 1.1V]
Table 6-114
Switching Characteristics Over Recommended Operating Conditions for Host-Port Interface [1.0V]
6.26
Universal Parallel Port (uPP)
6.26.1
uPP Register Descriptions
Table 6-115
Universal Parallel Port (uPP) Registers
6.26.2
uPP Electrical Data/Timing
Table 6-116
Timing Requirements for uPP (see , , , )
Table 6-117
Switching Characteristics Over Recommended Operating Conditions for uPP
6.27
Video Port Interface (VPIF)
6.27.1
VPIF Register Descriptions
Table 6-118
Video Port Interface (VPIF) Registers
6.27.2
VPIF Electrical Data/Timing
Table 6-119
Timing Requirements for VPIF VP_CLKINx Inputs (see )
Table 6-120
Timing Requirements for VPIF Channels 0/1 Video Capture Data and Control Inputs (see )
Table 6-121
Switching Characteristics Over Recommended Operating Conditions for Video Data Shown With Respect to VP_CLKOUT2/3 (see )
6.28
Enhanced Capture (eCAP) Peripheral
Table 6-123
Timing Requirements for Enhanced Capture (eCAP)
Table 6-124
Switching Characteristics Over Recommended Operating Conditions for eCAP
6.29
Enhanced High-Resolution Pulse-Width Modulator (eHRPWM)
6.29.1
Enhanced Pulse Width Modulator (eHRPWM) Timing
Table 6-126
Timing Requirements for eHRPWM
Table 6-127
Switching Characteristics Over Recommended Operating Conditions for eHRPWM
6.29.2
Trip-Zone Input Timing
6.30
Timers
6.30.1
Timer Electrical Data/Timing
Table 6-130
Timing Requirements for Timer Input (see )
Table 6-131
Switching Characteristics Over Recommended Operating Conditions for Timer Output
6.31
Real Time Clock (RTC)
6.31.1
Clock Source
6.31.2
Real-Time Clock Register Descriptions
6.32
General-Purpose Input/Output (GPIO)
6.32.1
GPIO Register Description(s)
6.32.2
GPIO Peripheral Input/Output Electrical Data/Timing
Table 6-134
Timing Requirements for GPIO Inputs (see )
Table 6-135
Switching Characteristics Over Recommended Operating Conditions for GPIO Outputs (see )
6.32.3
GPIO Peripheral External Interrupts Electrical Data/Timing
Table 6-136
Timing Requirements for External Interrupts (see )
6.33
Programmable Real-Time Unit Subsystem (PRUSS)
6.33.1
PRUSS Register Descriptions
6.34
Emulation Logic
6.34.1
JTAG Port Description
6.34.2
Scan Chain Configuration Parameters
6.34.3
Initial Scan Chain Configuration
6.34.4
IEEE 1149.1 JTAG
6.34.4.1
JTAG Peripheral Register Description(s) – JTAG ID Register (DEVIDR0)
6.34.4.2
JTAG Test-Port Electrical Data/Timing
Table 6-147
Timing Requirements for JTAG Test Port (see )
Table 6-148
Switching Characteristics Over Recommended Operating Conditions for JTAG Test Port (see )
6.34.5
JTAG 1149.1 Boundary Scan Considerations
7
Device and Documentation Support
7.1
Device Nomenclature
7.2
Tools and Software
7.3
Documentation Support
7.4
社区资源
7.5
商标
7.6
静电放电警告
7.7
出口管制提示
7.8
术语表
8
Mechanical Packaging and Orderable Information
8.1
Thermal Data for ZCE Package
8.2
Thermal Data for ZWT Package
8.3
Packaging Information
1
器件概述