Texas Instruments TMS320C6727 warranty Phase-LockedLoop PLL, Application Example, Revision History

TMS320C6727, TMS320C6726, TMS320C6722

Floating-Point Digital Signal Processors

www.ti.com

SPRS268E –MAY 2005 –REVISED JANUARY 2007

Contents

1	TMS320C6727, TMS320C6726, TMS320C6722
	DSPs	........................................................	1
	1.1	Features	1
	1.2	Description	2
	1.2.1	Device Compatibility	4
	1.3	Functional Block Diagram	5
2	Device Overview		7
	2.1	Device Characteristics	7
	2.2	Enhanced C67x+ CPU	8
	2.3	CPU Interrupt Assignments	9
	2.4	Internal Program/Data ROM and RAM	10
	2.5	Program Cache	11
	2.6	High-Performance Crossbar Switch	12
	2.7	Memory Map Summary	15
	2.8	Boot Modes	16
	2.9	Pin Assignments	19
	2.10	Development	26
3	Device Configurations		30
	3.1	Device Configuration Registers	30
	3.2	Peripheral Pin Multiplexing Options	30
	3.3	Peripheral Pin Multiplexing Control	31
4 Peripheral and Electrical Specifications			33
	4.1	Electrical Specifications	33
	4.2	Absolute Maximum Ratings	33

4.3	Recommended Operating Conditions	33
4.4	Electrical Characteristics	34
4.5	Parameter Information	35
4.6	Timing Parameter Symbology	36
4.7	Power Supplies	37
4.8	Reset	38
4.9	Dual Data Movement Accelerator (dMAX)	39
4.10	External Interrupts	44
4.11 External Memory Interface (EMIF)		45

4.12Universal Host-Port Interface (UHPI) [C6727 Only]. 55

4.13Multichannel Audio Serial Ports (McASP0, McASP1,

	and McASP2)	68
4.14	Serial Peripheral Interface Ports (SPI0, SPI1)	80
4.15	Inter-Integrated Circuit Serial Ports (I2C0, I2C1) ...	93

4.16Real-Time Interrupt (RTI) Timer With Digital

Watchdog 97

4.17External Clock Input From Oscillator or CLKIN Pin 100

	4.18	Phase-Locked Loop (PLL)	102
5	Application Example		105
6	Revision History		106
7	Mechanical Data		107
	7.1	Package Thermal Resistance Characteristics	107

7.2Supplementary Information About the 144-Pin RFP

PowerPAD™ Package	108
7.3 Packaging Information	109

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