參數(shù)資料
型號(hào): EV4101
廠商: LSI Corporation
英文描述: 32-bit Microprocessor that Executes MIPS I,a Subset of MIPS II,and a Subset of the MIPS16 Instructions.(32位微處理器(執(zhí)行MIPS I,MIPS II的子集,MIPS16的子集指令))
中文描述: 32位微處理器中執(zhí)行MIPS的我,一個(gè)子集的MIPS的第二,以及對(duì)MIPS16指令集。(32位微處理器(執(zhí)行MIPS的我,MIPS的二的子集,MIPS16的子集指令))
文件頁數(shù): 17/68頁
文件大?。?/td> 545K
代理商: EV4101
TinyRISC
EV4101 Microprocessor Reference Device Technical Summary
17
Figure 2
Typical Exception Handler Flow
4.2 SerialICE Port Overview
The SerialICE port is a full-duplex, serial, receive and transmit port. It is
used with the SerialICE concept for downloading application software to
the TR4101 and for debugging the TR4101. The SerialICE port is
designed to work with the ICEcontroller at baud rates up to 1 M baud,
providing 800 kbits of data per second. Please refer to MIPS SerialICE
Debugging Environment User’s Guide for additional information on the
SerialICE concept.
Figure 3 shows a block diagram of a TR4101 system using the SerialICE
port, where the TR4101 interfaces to the SerialICE port through the
BBCC using the CBus, and the BBCC interfaces to the SerialICE port
using the BBus.
Figure 3
TR4101 System with SerialICE Port
The SerialICE port provides the following features:
Yes
No
Process debug
event
Debug
event
Save EPC
and Status
Information
Normal exception
handling that may
generate a debug
exception
Restore saved
EPC to k0
Move EPC
to k0
Start
Note:
jr k0 rfe
are MIPS assembly language instructions typically used
to return from an exception handler
jr k0 rfe
TR4101
Microprocessor
CBus
SerialICE
Port
BIU and
Cache
Controller
(BBCC)
BBus
CBus
Interface
Rx Input
Serial Clock
Tx Output
Rx Interrupt
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