at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 455

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

viii
AT91RM3400
Serial Peripheral Interface (SPI) ................................................................. 229
Overview.......................................................................................................... 229
Block Diagram................................................................................................. 230
Application Block Diagram ............................................................................ 231
Product Dependencies................................................................................... 232
Functional Description................................................................................... 232
Serial Peripheral Interface (SPI) User Interface ........................................... 240
PIO Output Enable Register......................................................................... 215
PIO Output Disable Register ........................................................................ 216
PIO Output Status Register.......................................................................... 216
PIO Input Filter Enable Register .................................................................. 217
PIO Input Filter Disable Register.................................................................. 217
PIO Input Filter Status Register ................................................................... 218
PIO Set Output Data Register ...................................................................... 218
PIO Clear Output Data Register................................................................... 219
PIO Output Data Status Register ................................................................. 219
PIO Pin Data Status Register....................................................................... 220
PIO Interrupt Enable Register ...................................................................... 220
PIO Interrupt Disable Register ..................................................................... 221
PIO Interrupt Mask Register......................................................................... 221
PIO Interrupt Status Register ....................................................................... 222
PIO Multi-driver Enable Register.................................................................. 222
PIO Multi-driver Disable Register ................................................................. 223
PIO Multi-driver Status Register................................................................... 223
PIO Pull Up Disable Register ....................................................................... 224
PIO Pull Up Enable Register ........................................................................ 224
PIO Pad Pull Up Status Register ................................................................. 225
PIO Peripheral A Select Register ................................................................. 225
PIO Peripheral B Select Register ................................................................. 226
PIO Peripheral AB Status Register .............................................................. 226
PIO Output Write Enable Register ............................................................... 227
PIO Output Write Disable Register .............................................................. 227
PIO Output Write Status Register ................................................................ 228
I/O Lines....................................................................................................... 232
Power Management ..................................................................................... 232
Interrupt........................................................................................................ 232
Master Mode Operations.............................................................................. 232
SPI Slave Mode ........................................................................................... 237
Data Transfer ............................................................................................... 238
SPI Control Register .................................................................................... 241
SPI Mode Register ....................................................................................... 242
SPI Receive Data Register .......................................................................... 244
SPI Transmit Data Register ......................................................................... 244
SPI Status Register ...................................................................................... 245
SPI Interrupt Enable Register ...................................................................... 246
1790A–ATARM–11/03