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型號：	M32185F4VFP
元件分類：	微控制器/微處理器
英文描述：	32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144
封裝：	20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)：	801/1032頁
文件大?。?/td>	5750K
代理商：	M32185F4VFP

REAL TIME DEBUGGER (RTD)

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

Figure 15.4.1 RDR Command Data Format

Command (RDR)

Specified address

Note: X = Don't care.

(However, if issued immediately after the RCV command, bits 20-31 must all be set to "1.")

15.4 Functional Description of RTD

15.4.1 Outline of RTD Operation

Operation of the RTD is specified by a command entered from devices external to the chip. A command is

indicated by bits 16–19 (Note 1) of the RTD received data.

Table 15.4.1 RTD Commands

RTD Received Data

RTD Function

VER (VERify)

Continuous monitor

VEI (VErify Interrupt request)

RTD interrupt request

RDR (ReaD RAM)

Real-time RAM content output

WRR (WRite RAM)

RAM content forcible rewrite (with verify)

RCV (ReCoVer)

Recover from runaway condition (Note 2), (Note 3)

System reserved (use inhibited)

Note 1: The RTD received data bit 19 actually is not stored in the command register, and except for the RCV

command, handled as a “Don’t care” bit. (Bits 16–18 are effective for the command specified.)

Note 2: The RCV command must always be transmitted twice in succession.

Note 3: For the RCV command, all bits, not just 16–19, (i.e., bits 0–15 and bits 20–31) must be set to "1."

15.4.2 Operation of RDR (Real-time RAM Content Output)

When the RDR (real-time RAM content output) command is issued, the RTD is enabled to transfer the

contents of the internal RAM to external devices without causing the CPU’s internal bus to stop. Be-

cause the RTD reads data from the internal RAM while there are no transfers performed between the

CPU and internal RAM, no extra CPU load is incurred.

Only the 32-bit word-aligned addresses(The lower address B’00) can be specified for read from the

internal RAM. (The two low-order address bits specified by a command are ignored.) Data are read out

and transferred from the internal RAM in 32-bit units.

15.4 Functional Description of RTD

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