TMS320F28335, TMS320F28334, TMS320F28332
TMS320F28235, TMS320F28234, TMS320F28232
SPRS439M –JUNE 2007–REVISED AUGUST 2012
www.ti.com
6-5
Clocking and Nomenclature (100-MHz Devices) ........................................................................... 125
6-6
Input Clock Frequency ......................................................................................................... 126
XCLKIN Timing Requirements – PLL Enabled ............................................................................. 126
XCLKIN Timing Requirements – PLL Disabled ............................................................................ 126
XCLKOUT Switching Characteristics (PLL Bypassed or Enabled) ...................................................... 126
Power Management and Supervisory Circuit Solutions ................................................................... 128
Reset (XRS) Timing Requirements .......................................................................................... 130
General-Purpose Output Switching Characteristics........................................................................ 131
General-Purpose Input Timing Requirements .............................................................................. 132
IDLE Mode Timing Requirements ........................................................................................... 134
IDLE Mode Switching Characteristics ....................................................................................... 134
STANDBY Mode Timing Requirements ..................................................................................... 135
STANDBY Mode Switching Characteristics ................................................................................ 135
HALT Mode Timing Requirements ........................................................................................... 137
HALT Mode Switching Characteristics ...................................................................................... 137
ePWM Timing Requirements ................................................................................................. 139
ePWM Switching Characteristics ............................................................................................ 139
Trip-Zone Input Timing Requirements ...................................................................................... 139
High-Resolution PWM Characteristics at SYSCLKOUT = (60–150 MHz) .............................................. 140
Enhanced Capture (eCAP) Timing Requirement .......................................................................... 140
eCAP Switching Characteristics ............................................................................................. 140
Enhanced Quadrature Encoder Pulse (eQEP) Timing Requirements .................................................. 141
eQEP Switching Characteristics ............................................................................................. 141
External ADC Start-of-Conversion Switching Characteristics............................................................. 142
External Interrupt Timing Requirements .................................................................................... 142
External Interrupt Switching Characteristics ................................................................................ 142
I2C Timing ...................................................................................................................... 143
SPI Master Mode External Timing (Clock Phase = 0) .................................................................... 144
SPI Master Mode External Timing (Clock Phase = 1) .................................................................... 146
SPI Slave Mode External Timing (Clock Phase = 0) ...................................................................... 148
SPI Slave Mode External Timing (Clock Phase = 1) ...................................................................... 150
Relationship Between Parameters Configured in XTIMING and Duration of Pulse ................................... 151
XINTF Clock Configurations .................................................................................................. 154
External Interface Read Timing Requirements ............................................................................. 156
External Interface Read Switching Characteristics......................................................................... 156
External Interface Write Switching Characteristics ......................................................................... 158
External Interface Read Switching Characteristics (Ready-on-Read, 1 Wait State)................................... 160
External Interface Read Timing Requirements (Ready-on-Read, 1 Wait State) ....................................... 160
Synchronous XREADY Timing Requirements (Ready-on-Read, 1 Wait State) ....................................... 160
Asynchronous XREADY Timing Requirements (Ready-on-Read, 1 Wait State)....................................... 160
External Interface Write Switching Characteristics (Ready-on-Write, 1 Wait State) ................................... 163
Synchronous XREADY Timing Requirements (Ready-on-Write, 1 Wait State) ....................................... 163
Asynchronous XREADY Timing Requirements (Ready-on-Write, 1 Wait State) ...................................... 163
XHOLD/XHOLDA Timing Requirements (XCLKOUT = XTIMCLK) ...................................................... 167
XHOLD/XHOLDA Timing Requirements (XCLKOUT = 1/2 XTIMCLK) ................................................. 168
ADC Electrical Characteristics (over recommended operating conditions) ............................................ 169
ADC Power-Up Delays......................................................................................................... 170
Typical Current Consumption for Different ADC Configurations (at 25-MHz ADCCLK) .............................. 170
6-7
6-8
6-9
6-10
6-11
6-12
6-13
6-14
6-15
6-16
6-17
6-18
6-19
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6-21
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6-23
6-24
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6-31
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6-52
8
List of Tables
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