
TMS320F28335, TMS320F28334, TMS320F28332
Digital Signal Controllers (DSCs)
SPRS439B–JUNE 2007–REVISED OCTOBER 2007
4.8
4.9
4.10
4.11
4.12
4.13
4.14
Device Support
.................................................................................................................
101
5.1
Device and Development Support Tool Nomenclature
..............................................................
101
5.2
Documentation Support
..................................................................................................
103
Electrical Specifications
....................................................................................................
106
6.1
Absolute Maximum Ratings
.............................................................................................
106
6.2
Recommended Operating Conditions
..................................................................................
107
6.3
Electrical Characteristics
................................................................................................
107
6.4
Current Consumption
....................................................................................................
108
6.4.1
Reducing Current Consumption
.............................................................................
111
6.4.2
Current Consumption Graphs
................................................................................
112
6.4.2.1
Thermal Design Considerations
..............................................................................
113
6.5
Emulator Connection Without Signal Buffering for the DSP
........................................................
113
6.6
Timing Parameter Symbology
...........................................................................................
114
6.6.1
General Notes on Timing Parameters
.......................................................................
114
6.6.2
Test Load Circuit
..............................................................................................
114
6.6.3
Device Clock Table
...........................................................................................
114
6.7
Clock Requirements and Characteristics
.............................................................................
116
6.8
Power Sequencing
........................................................................................................
117
6.8.1
Power Management and Supervisory Circuit Solutions
...................................................
117
6.9
General-Purpose Input/Output (GPIO)
.................................................................................
120
6.9.1
GPIO - Output Timing
.........................................................................................
120
6.9.2
GPIO - Input Timing
...........................................................................................
121
6.9.3
Sampling Window Width for Input Signals
..................................................................
122
6.9.4
Low-Power Mode Wakeup Timing
...........................................................................
123
6.10
Enhanced Control Peripherals
..........................................................................................
126
6.10.1
Enhanced Pulse Width Modulator (ePWM) Timing
........................................................
126
6.10.2
Trip-Zone Input Timing
........................................................................................
126
6.10.3
External Interrupt Timing
......................................................................................
128
6.10.4
I2C Electrical Specification and Timing
.....................................................................
129
6.10.5
Serial Peripheral Interface (SPI) Master Mode Timing
....................................................
129
6.10.6
SPI Slave Mode Timing
.......................................................................................
133
6.10.7
External Interface (XINTF) Timing
...........................................................................
135
6.10.8
XHOLD and XHOLDA Timing
................................................................................
147
6.10.9
On-Chip Analog-to-Digital Converter
........................................................................
150
6.10.10
Detailed Descriptions
........................................................................................
155
6.10.11
Multichannel Buffered Serial Port (McBSP) Timing
.......................................................
156
Thermal/Mechanical Data
...................................................................................................
162
Multichannel Buffered Serial Port (McBSP) Module
...................................................................
76
Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B)
.....................................
79
Serial Communications Interface (SCI) Modules (SCI-A, SCI-B, SCI-C)
...........................................
84
Serial Peripheral Interface (SPI) Module (SPI-A)
......................................................................
88
Inter-Integrated Circuit (I2C)
..............................................................................................
91
GPIO MUX
..................................................................................................................
93
External Interface (XINTF)
................................................................................................
98
5
6
7
Contents
3