Texas Instruments Digital Signal Processor SM320F2812-HT - Manual (Page 4)

SM320F2812-HT
SGUS062B – JUNE 2009 – REVISED JUNE 2011 www.ti.com
6.21 External Interface (XINTF) Timing ..................................................................................... 114
6.22 XINTF Signal Alignment to XCLKOUT ................................................................................ 118
6.23 External Interface Read Timing
........................................................................................
119
6.24 External Interface Write Timing ........................................................................................ 120
6.25 External Interface Ready-on-Read Timing With One External Wait State
.......................................
122
6.26 External Interface Ready-on-Write Timing With One External Wait State ........................................ 125
6.27 XHOLD and XHOLDA
...................................................................................................
128
6.28 XHOLD/XHOLDA Timing ............................................................................................... 129
6.29 On-Chip Analog-to-Digital Converter .................................................................................. 131
6.29.1 ADC Absolute Maximum Ratings
...........................................................................
131
6.29.2 ADC Electrical Characteristics Over Recommended Operating Conditions ........................... 132
6.29.3 Current Consumption for Different ADC Configurations (at 25-MHz ADCCLK)
......................
133
6.29.4 ADC Power-Up Control Bit Timing .......................................................................... 134
6.29.5 Detailed Description .......................................................................................... 135
6.29.5.1 Reference Voltage ................................................................................ 135
6.29.5.2 Analog Inputs ..................................................................................... 135
6.29.5.3 Converter
..........................................................................................
135
6.29.5.4 Conversion Modes ............................................................................... 135
6.29.6 Sequential Sampling Mode (Single Channel) (SMODE = 0)
............................................
135
6.29.7 Simultaneous Sampling Mode (Dual-Channel) (SMODE = 1) .......................................... 137
6.29.8 Definitions of Specifications and Terminology ............................................................. 138
6.29.8.1 Integral Nonlinearity .............................................................................. 138
6.29.8.2 Differential Nonlinearity .......................................................................... 138
6.29.8.3 Zero Offset
........................................................................................
138
6.29.8.4 Gain Error ......................................................................................... 138
6.29.8.5 Signal-to-Noise Ratio + Distortion (SINAD)
...................................................
138
6.29.8.6 Effective Number of Bits (ENOB) ............................................................... 138
6.29.8.7 Total Harmonic Distortion (THD)
...............................................................
138
6.29.8.8 Spurious Free Dynamic Range (SFDR) ....................................................... 138
6.30 Multichannel Buffered Serial Port (McBSP) Timing ................................................................. 139
6.30.1 McBSP Transmit and Receive Timing
......................................................................
139
6.30.2 McBSP as SPI Master or Slave Timing .................................................................... 142
6.31 Flash Timing
..............................................................................................................
146
6.31.1 Recommended Operating Conditions ...................................................................... 146
7 Mechanical Data .............................................................................................................. 148
Revision History ....................................................................................................................... 149
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