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TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, TMS320C2802
TMS320C2801, TMS320F28016, TMS320F28015
www.ti.com
SPRS230N – OCTOBER 2003 – REVISED MAY 2012
4.8
Serial Communications Interface (SCI) Modules (SCI-A, SCI-B)
...................................................
72
4.9
Serial Peripheral Interface (SPI) Modules (SPI-A, SPI-B, SPI-C, SPI-D)
..........................................
75
4.10
Inter-Integrated Circuit (I2C)
.............................................................................................
79
4.11
GPIO MUX
.................................................................................................................
81
5
Device Support
.................................................................................................................
85
5.1
Device and Development Support Tool Nomenclature
...............................................................
85
5.2
Documentation Support
..................................................................................................
87
5.3
Community Resources
....................................................................................................
92
6
Electrical Specifications
.....................................................................................................
93
6.1
Absolute Maximum Ratings
..............................................................................................
93
6.2
Recommended Operating Conditions
..................................................................................
94
6.3
Electrical Characteristics
.................................................................................................
94
6.4
Current Consumption
.....................................................................................................
95
6.4.1
Reducing Current Consumption
..............................................................................
99
6.4.2
Current Consumption Graphs
...............................................................................
100
6.5
Emulator Connection Without Signal Buffering for the DSP
.......................................................
102
6.6
Timing Parameter Symbology
..........................................................................................
103
6.6.1
General Notes on Timing Parameters
......................................................................
103
6.6.2
Test Load Circuit
..............................................................................................
103
6.6.3
Device Clock Table
...........................................................................................
104
6.7
Clock Requirements and Characteristics
.............................................................................
105
6.8
Power Sequencing
.......................................................................................................
106
6.8.1
Power Management and Supervisory Circuit Solutions
..................................................
106
6.9
General-Purpose Input/Output (GPIO)
................................................................................
109
6.9.1
GPIO - Output Timing
........................................................................................
109
6.9.2
GPIO - Input Timing
..........................................................................................
110
6.9.3
Sampling Window Width for Input Signals
.................................................................
111
6.9.4
Low-Power Mode Wakeup Timing
..........................................................................
112
6.10
Enhanced Control Peripherals
.........................................................................................
115
6.10.1
Enhanced Pulse Width Modulator (ePWM) Timing
.......................................................
115
6.10.2
Trip-Zone Input Timing
.......................................................................................
115
6.10.3
External Interrupt Timing
.....................................................................................
117
6.10.4
I2C Electrical Specification and Timing
....................................................................
118
6.10.5
Serial Peripheral Interface (SPI) Master Mode Timing
...................................................
118
6.10.6
SPI Slave Mode Timing
......................................................................................
123
6.10.7
On-Chip Analog-to-Digital Converter
.......................................................................
125
6.10.7.1
ADC Power-Up Control Bit Timing
.............................................................
126
6.10.7.2
Definitions
.........................................................................................
127
6.10.7.3
Sequential Sampling Mode (Single-Channel) (SMODE = 0)
...............................
128
6.10.7.4
Simultaneous Sampling Mode (Dual-Channel) (SMODE = 1)
..............................
129
6.11
Detailed Descriptions
....................................................................................................
130
6.12
Flash Timing
..............................................................................................................
131
6.13
ROM Timing (C280x only)
..............................................................................................
133
7
Migrating From F280x Devices to C280x Devices
.................................................................
134
7.1
Migration Issues
..........................................................................................................
134
8
Revision History
..............................................................................................................
135
9
Mechanical Data
..............................................................................................................
136
Copyright © 2003–2012, Texas Instruments Incorporated
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