ADuCM320 Hardware Reference Manual
UG-498
Rev. C | Page 3 of 196
DMA Interrupts .......................................................................... 61
DMA Priority ............................................................................... 62
Channel Control Data Structure ............................................... 62
Control Data Configuration ...................................................... 63
DMA Transfer Types (CHNL_CFG[2:0]) ................................ 64
Address Calculation .................................................................... 66
Aborting DMA Transfers ........................................................... 66
Register Summary: DMA ........................................................... 67
Register Details: DMA ................................................................ 67
Flash Controller ............................................................................... 73
Flash Controller Features ........................................................... 73
Flash Controller Overview......................................................... 73
Flash Controller Operation........................................................ 73
Flash Memory Operation ........................................................... 74
Flash Protection ........................................................................... 78
Register Summary: Flash Controller ........................................ 82
Register Details: Flash Controller ............................................. 82
Silicon Identification ....................................................................... 90
Silicon Identification Memory Mapped Registers .................. 90
Digital Die ID Register ............................................................... 90
Low Voltage Die ID Register ..................................................... 90
Digital I/Os Features ................................................................... 91
Digital I/Os Block Diagram ....................................................... 91
Digital I/Os Overview ................................................................ 91
Digital I/Os Operation ............................................................... 91
Digital Port Multiplex ................................................................. 94
Register Summary: Digital I/O ................................................. 96
Register Details: Digital I/O....................................................... 97
C Serial Interface ....................................................................... 101
C Features ............................................................................... 101
C Overview ............................................................................. 101
C Operation ............................................................................ 101
C Operating Modes ............................................................... 103
Register Summary: I2C0 ......................................................... 105
Register Details: I2C0 .............................................................. 105
Register Summary: I2C1 ......................................................... 114
Register Details: I2C1 .............................................................. 114
Serial Peripheral Interfaces ......................................................... 123
SPI Features ............................................................................... 123
SPI Overview ............................................................................ 123
SPI Operation ............................................................................ 123
SPI Transfer Initiation .............................................................. 124
SPI Interrupts ............................................................................ 126
SPI Wire-OR’ed Mode (WOM) ............................................... 127
SPI CSERR Condition .............................................................. 127
SPI DMA .................................................................................... 127
SPI and Power-Down Modes .................................................. 128
Register Summary: SPI0 .......................................................... 128
Register Details: SPI0................................................................ 128
Register Summary: SPI1 .......................................................... 132
Register Details: SPI1................................................................ 132
UART Serial Interface ................................................................... 137
UART Features .......................................................................... 137
UART Overview ........................................................................ 137
UART Operation ....................................................................... 137
Register Summary: UART ....................................................... 141
Register Details: UART ............................................................ 141
PLA Features .............................................................................. 146
PLA Overview ........................................................................... 146
PLA Operation .......................................................................... 147
Register Summary: PLA ........................................................... 150
Register Details: PLA ................................................................ 150
General-Purpose Timers .............................................................. 154
General-Purpose Timers Features .......................................... 154
General-Purpose Timers Block Diagram .............................. 154
General-Purpose Timers Overview ....................................... 154
General-Purpose Timers Operation ...................................... 155
Register Summary: General-Purpose Timer 0 ..................... 157
Register Details: General-Purpose Timer 0 .......................... 157
Register Summary: General-Purpose Timer 1 ..................... 160
Register Details: General-Purpose Timer 1 .......................... 160
Register Summary: General-Purpose Timer 2 ..................... 163
Register Details: General-Purpose Timer 2 .......................... 163
Watchdog Timer ............................................................................ 166
Watchdog Timer Features ........................................................ 166
Watchdog Timer Block Diagram ............................................ 166
Watchdog Timer Overview ..................................................... 166
Watchdog Timer Operation .................................................... 166
Register Summary: Watchdog Timer ..................................... 167
Register Details: Watchdog Timer .......................................... 167