at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 6

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

Power Management
Controller
System Timer
Real-time Clock
Debug Unit
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AT91RM3400
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Optimizes the Power Consumption of the Whole System
Embeds and Controls
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Provides
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Four Operating Modes
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One Period Interval Timer, 16-bit Programmable Counter
One Watchdog Timer, 16-bit Programmable Counter
One Real-time Timer, 20-bit Free-running Counter
Interrupt Generation on Event
Low Power Consumption
Full Asynchronous Design
Two Hundred Year Calendar
Programmable Periodic Interrupt
Alarm and Update Parallel Load
Control of Alarm and Update Time/Calendar Data In
System Peripheral to Facilitate Debug of Atmel’s ARM-based Systems
Composed of Four Functions
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Two-pin UART
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Provides Processor Synchronization on Events Without Triggering an
Interrupt
One Main Oscillator and One Slow Clock Oscillator (32.768Hz)
Two Phase Locked Loops (PLLs) and Dividers
Clock Prescalers
the Processor Clock PCK
the Master Clock MCK
Up to two USB Clocks (depending on the USB ports embedded)
Programmable Automatic PLL Switch-off in USB Device Suspend Conditions
Up to Thirty Peripheral Clocks
Up to Four Programmable Clock Outputs
Normal Mode, Idle Mode, Slow Clock Mode, Standby Mode
Two-pin UART
Debug Communication Channel (DCC) Support
Chip ID Registers
ICE Access Prevention
Implemented Features are 100% Compatible with the Standard Atmel
USART
Independent Receiver and Transmitter with a Common Programmable Baud
Rate Generator
Even, Odd, Mark or Space Parity Generation
– UHPCK for the USB Host Port
– UDPCK for the USB Device Port
1790A–ATARM–11/03