AT91R40008_06 ATMEL [ATMEL Corporation], AT91R40008_06 Datasheet
AT91R40008_06
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AT91R40008_06 Summary of contents
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Features ® ® • Incorporates the ARM7TDMI ARM – High-performance 32-bit RISC Architecture – High-density 16-bit Instruction Set – Leader in MIPS/Watt – Little-endian ™ – EmbeddedICE (In-circuit Emulation) • 8-, 16- and 32-bit Read and Write Support • 256K ...
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Pin Configuration Figure 2-1. AT91R40008 in 100-lead LQFP Package P22/RXD1 76 NWR1/NUB 77 GND 78 NRST 79 NWDOVF 80 81 VDDIO MCKI 82 P23 83 P24/BMS 84 P25/MCKO 85 GND 86 GND 87 TMS 88 TDI 89 TDO 90 ...
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Pin Description Table 3-1. AT91R40008 Pin Description Module Name Function A0 - A23 Address Bus D0 - D15 Data Bus NCS0 - NCS3 Chip Select CS4 - CS7 Chip Select NWR0 Lower Byte 0 Write Signal NWR1 Upper Byte ...
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Block Diagram Figure 4-1. AT91R40008 TMS TDO TDI TCK MCKI P25/MCKO P12/FIQ P9/IRQ0 P10/IRQ1 P11/IRQ2 P P13/SCK0 I P14/TXD0 O P15/RXD0 P20/SCK1 P21/TXD1/NTRI P22/RXD1 P16 P17 P18 P19 P23 P24/BMS AT91R40008 4 Embedded ICE ARM7TDMI Core ASB Clock 256K ...
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Architectural Overview The AT91R40008 microcontroller integrates an ARM7TDMI with EmbeddedICE interface, memories and peripherals. The architecture consists of two main buses: the Advanced Sys- tem Bus (ASB) and the Advanced Peripheral Bus (APB). Designed for maximum performance and controlled ...
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The PIO controller can be programmed to detect an interrupt on a sig- nal change from each line. The Watchdog (WD) can be used to prevent system lock-up if the software becomes trapped in a deadlock. The ...
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Associated Documentation The AT91R40008 is part of the AT91X40 series of microcontrollers, a member of the Atmel AT91 16/32-bit microcontroller family, which is based on the ARM7TDMI processor core. The table below contains details of associated documentation for further ...
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Product Overview 7.1 Power Supply The AT91R40008 microcontroller has two types of power supply pins: • VDDCORE pins, which power the chip core (i.e., the ARM7TDMI, embedded memory and the peripherals). • VDDIO pins, which power the I/O lines. ...
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To enter tri-state mode, the NTRI pin must be held low during the last 10 clock cycles before the rising edge of NRST. For normal operation, the NTRI pin must be held high during reset by a resistor of up ...
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The BMS pin is multiplexed with the I/O line P24, which can be programmed after reset like any standard PIO line. Table 7-1. 7.6.3 Remap Command The ARM vectors (Reset, Abort, Data Abort, Pre-fetch Abort, Undefined Instruction, Interrupt, Fast Interrupt) ...
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Peripherals The AT91R40008 microcontroller peripherals are connected to the 32-bit wide Advanced Peripheral Bus. Peripheral registers are only word accessible – byte and half-word accesses are not supported byte or a half-word access is attempted, the memory ...
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System Peripherals 8.1.1 PS: Power-saving The Power-saving feature optimizes power consumption, enabling the software to stop the ARM7TDMI clock (Idle mode), restarting it when the module receives an interrupt (or reset). It also enables on-chip peripheral clocks to be ...
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User Peripherals 8.2.1 USART: Universal Synchronous/ Asynchronous Receiver Transmitter The AT91R40008 microcontroller provides two identical, full-duplex, universal synchro- nous/asynchronous receiver/transmitters. Each USART has its own baud rate generator and two dedicated Peripheral Data Controller channels. The data format includes ...
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Packaging Information Figure 9-1. 100-lead Thin Quad Flat Pack Package Outline aaa PIN 1 ddd AT91R40008 14 ccc bbb 0.25 L1 1732FS–ATARM–12-Apr-06 ...
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Table 9-1. Common Dimensions (mm) Symbol aaa bbb Table 9-2. Lead Count Dimensions (mm) Pin D/E D1/E1 Count BSC BSC 100 16.0 14.0 Table 9-3. Device ...
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Soldering Profile 10.1 LQFP Package Soldering Profile (Green) Table 10-1 Table 10-1. Profile Feature Average Ramp-up Rate (217°C to Peak) Preheat Temperature 175°C ±25°C Temperature Maintained Above 217°C Time within Actual Peak Temperature Peak Temperature Range ...
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Ordering Information Table 11-1. Ordering Information Ordering Code AT91R40008-66AU 1732FS–ATARM–12-Apr-06 Package Package Type LQFP 100 Green AT91R40008 Operation Range Industrial (- ...
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Revision History Doc. Rev Date Comments 1732AS Jun-01 First issue 1732BS Jul-01 Updated 1732CS 29-Jan-02 pg. 9 pg. 14 pg. 16 pg. 17 1732DS 17-Mar-04 pg. 1 pg. 16 1732ES 14-Jun-05 Global pg. 17 pg. 18 1732FS 12-Apr-06 page 16 ...
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Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 ...