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型號(hào)：	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(yè)數(shù)：	927/1032頁(yè)
文件大?。?/td>	5750K
代理商：	M32185F4VFP

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

21.4.3 DR Path Sequence

Data inspection or setting is performed for the data register selected in the IR path sequence prior to the

DR path sequence. The DR path sequence is performed following the procedure described below.

(1) From the Run-Test/Idle state, apply JTMS = "H" for a period of 1 JTCK cycle to enter the Select-DR-

Scan state. Which data register will be selected at this time depends on the instruction that was set

during the IR path sequence performed prior to the DR path sequence.

(2) Apply JTMS = "L" to enter the Capture-DR state. At this time, the result of boundary-scan test or the

fixed data defined for each register is set in the data register’s shift register stage.

(3) Proceed and apply JTMS = "L" to enter the Shift-DR state. In the Shift-DR state, the DR value is

shifted right one bit every cycle, and the data that was set in (2) is serially output from the JTDO pin.

At the same time, setup data is set in the data register’s shift register stage bit by bit as it is serially

fed from the JTDI pin. By continuing the Shift-IR state as long as the number of bits that comprise the

selected data register (by applying JTMS = "L"), all bits of data can be set in and read out from the

shift register stage. To stop the shift operation in the middle of the execution, enter the Pause-DR

state via the Exit1-DR state (by setting JTMS input from "H" to "L"). To return from the Pause-DR

state, enter the Shift-DR state via the Exit2-DR state (by setting JTMS input from "H" to "L").

(4) Apply JTMS = "H" to move from the Shift-DR state to the Exit1-DR state. This completes the shift operation.

(5) Proceed and apply JTMS = "H" to enter the Update-DR state. In the Update-DR state, the data that

was set in the data register’s shift register stage is transferred to the parallel output stage, and the

setup data is thereby made ready for use.

(6) Proceed and apply JTMS = "H" to enter the Select-DR-Scan state or JTMS = "L" to enter the Run-Test/Idle state.

21.4 Basic Operation of JTAG

Figure 21.4.4 DR Path Sequence

High impedance

Note: Because all bits in the data register's shift register stage also are shifted right, data is output from JTDO

beginning with the LSB. Similarly, data is supplied to JTDI beginning with the LSB.

Finished storing setup data in

the selected data register's

shift register stage.

Setup data is set in the parallel output stage

at fall of JTCK in the Update-DR state.

JTDI input is sampled at rise of

JTCK in the Shift-DR state.

JTDO is output at fall of

JTCK in the Shift-DR state.

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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
M32186F8VFP	制造商:Renesas Electronics Corporation 功能描述:
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M32192F8TFP#U0	制造商:Renesas Electronics Corporation 功能描述:MCU 32-bit M32R RISC 1024KB Flash 3.3V/5V 144-Pin LQFP
M32192F8VFP	制造商:Renesas Electronics Corporation 功能描述:
M321-SERIES	制造商:未知廠家制造商全稱:未知廠家功能描述:Peripheral IC

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