Rainbow Electronics AT75C220 User Manual

Smart internet appliance processor (siap, Features, Description

Table of contents

Document Outline

Features
Description
AT75C220 Pin Configuration
Pin Description
Architectural Overview
Peripheral Data Controller
Memory Map
Peripheral Memory Map
Initialization
- Reset Pin
- Processor Synchronization
Clocking
- Oscillator and PLL
- ARM System Clock
- Oak System Clock
- Other Clocks
Boot Mode
AT75C220 Mode Controller
- Register Map
External Bus Interface
- SMC: Static Memory Controller
- SMC Register Map
- Switching Waveforms
- SDMC: SDRAM Controller
- SDRAM Refresh
Arbitration Using Multi-layer AMBA
- Coupled Bus Operation
- ASB-ASB Bridge Timing
- Deadlock
Ethernet MAC
- DMA Operation
- Transmitter Mode
- Receiver Mode
- Address Checking
- Register Map
- MAC Statistics Register Block
AIC: Advanced Interrupt Controller
- Priority Controller
- Interrupt Handling
- Interrupt Masking
- Interrupt Clearing and Setting
- Standard Interrupt Sequence
- Fast Interrupt
  - Fast Interrupt Sequence
- Software Interrupt
- Spurious Interrupt
  - Spurious Interrupt Sequence
- AIC User Interface
PIO: Programmable I/O Controller
- Output Selection
- I/O Levels
- Interrupts
- User Interface
- PIO User Interface
USART: Universal Synchronous/Asynchronous Receiver/Transmitter
- Pin Description
- Baud Rate Generator
- Receiver
- Transmitter
  - Time-guard
- Multi-drop Mode
- Break
  - Transmit Break
  - Receive Break
- Interrupt Generation
- Channel Modes
- Peripheral Data Controller
- Modem Control and Status Signals
TC: Timer/Counter
- Signal Name Description
- Timer/Counter Description
- Timer/Counter Operating Modes
  - Trigger
- Capture Operating Mode
- Waveform Operating Mode
- TC User Interface
SPI: Serial Peripheral Interface
- Master Mode
- Slave Mode
- Data Transfer
- Clock Generation
- Peripheral Data Controller
- SPI Programmer’s Model
WD: Watchdog Timer
- WD User Interface
- WD Enabling Sequence