Smc-networks Sharp ARM720T_LH79520 Manual de usuario Pagina 1

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Summary Core Reference CR0162 (v2.0) March 10, 2008 This document provides i

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Memory & I/O Management The ARM720T_LH79520 uses 32-bit address buses provi

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Figure 5. Memory devices mapped into banks 0- 4 (cs0-cs4) of the ARM720T_LH7

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor The adjacent flow chart shows the process that was followed to build this memor

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor • cs0 (Bank 0) – 4000_0000h to 43FF_FFFFh • cs1 (Bank 1) – 4400_0000h to 47

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor The size of the RAM can vary between 1KB and 16MB, dependent on the availabilit

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor clock signal (CLK_I), an acknowledge signal fails to appear from the addresse

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor • for an unsigned read, the processor will pad-out the remaining 24 or 16 bits

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Hardware Description For detailed information about the hardware and function

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Wishbone Communications The following sections detail the standard handshaking

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Reading from a Slave Wishbone Memory Device Data is read by the host processo

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor RISC Processor Background RISC, or Reduced Instruction Set Computer, is a term

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Placing an ARM720T_LH79520 in an FPGA design How the ARM720T_LH79520 is placed

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Design Featuring an OpenBus System Figure 11 illustrates identical use of the

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Figure 12. Wiring the OpenBus System-based ARM720T_LH79520 to the physical pin

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor As the physical ARM720T processor does not reside within an FPGA, communicati

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor • Download of the embedded code targeted to the discrete ARM720T device. Click

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Figure 16. Starting an embedded code debug session. The debug environment of

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Figure 17. Workspace panels offering code-specific information and controls F

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Figure 19. Accessing debug features from the processor's instrument pan

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Instruction Set The ARM7TDMI-S core processor – on which the ARM720T is based –

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Improving and Extending Product Life-Cycles Fast time to market is usually sy

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Wishbone OpenBUS Processor Wrappers To normalize access to hardware and periphe

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Architectural Overview Symbol Figure 1. Symbols used for the ARM720T_LH79520

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Pin Description The following pin description is for the processor when used on

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Name Type Polarity/Bus size Description Peripheral I/O Interface Signals IO_S

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Name Type Polarity/Bus size Description PER_RESET I Low Reset signal from the L

ARM720T_LH79520 – Sharp LH79520 SoC with ARM720T 32-bit RISC Processor Speed-critical (or latency-sensitive) parts of an application should also be