JTAG/BIST TAP Controller Block Diagram, Mux

CY7C0430BV

CY7C0430CV

JTAG/BIST TAP Controller Block Diagram


										0
										0

					Bypass Register (BYR)

									1	0
									1	0

			MBIST Control Register (MCR)

							3	2	1	0
							3	2	1	0

					Instruction Register (IR)

					24	23				0	Selection
					24	23				0

TDI			MBIST Result Register (MRR)
TDI			MBIST Result Register (MRR)								Circuitry
											Circuitry
			31		30	29				0
			31		30	29				0

				Identification Register (IDR)							(MUX)
											(MUX)
		99								0
		99								0

			MBIST Debug Register (MDR)

	391									0
	391									0

			Boundary Scan Register (BSR)
			Boundary Scan Register (BSR)

BIST	TAP
CONTROLLER	CONTROLLER

CLKBIST

MEMORY

CELL

TDO

TCK

TMS

MRST

Table 4. Identification Register Definitions

Instruction Field	Value	Description

Revision Number (31:28)	1h	Reserved for version number

Cypress Device ID (27:12)	C000h	Defines Cypress part number

Cypress JEDEC ID (11:1)	34h	Allows unique identification of QuadPort DSE device vendor

ID Register Presence (0)	1	Indicate the presence of an ID register

Document #: 38-06027 Rev. *B

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Cypress CY7C0430BV manual JTAG/BIST TAP Controller Block Diagram, Mux, Mbist Debug Register MDR 391, Bist TAP Controller

Contents

Features QuadPort DSE Family ApplicationsCypress Semiconductor Corporation Processor Processed Data Path Functional DescriptionProcessor Pre-processed Data Path Queue #1 Top Level Logic Block Diagram Port 1 Operation-control Logic Blocks2 Port 1 Operation-Control Logic Block Diagram Address Readback is independent of CEs Pin Configuration Ball Grid Array BGA Top View CY7C0430CV Unit Selection GuidePin Definitions Port Description Mask Register Readback Input . When asserted LOW Counter Interrupt Flag Output . Flag is asserted LOW Operating Range Electrical Characteristics Over the Operating RangeMaximum Ratings Capacitance Normal Load Three-State DelayAC Test Load TAP Load Output Enable to Data Valid Chip Enable Set-up TimeChip Enable Hold Time Maximum Frequency Jtag Timing and Switching Waveforms Switching Waveforms Master Reset10 Data OUT CLKAddress Latency Address B1 Bank Select Read 17Read-to-Write-to-Read OE = Read No Operation Write Cntld Cntinc Read-to-Write-to-Read OE Controlled19, 20, 21Read with Address Counter Advance23 Dataout Write External Write with Write with Address Counter Advance 24Address Internal Counter Hold Data Data OUT Counter Reset 21, 26Counter Write Read Reset Address Address n Load and Read Address Counter28 Cntrd InternalLoad Read Data with Counter External Address Internal Mkrd Mask Internal Value Load and Read Mask RegisterMkld Load Read Mask Register Value Port 1 Write to Port 2 Read34, 35 Counter Interrupt 37, 38 Mailbox Interrupt Timing40, 41, 42, 43 Mode Operation Operation Interrupt Operation Example Master ResetInterrupts Port Function Address Counter Control Operations Cntrd MkrdCntinc = Cntld = Cntrst = CLK Counter-Mask Register Test Mode Select Disabling the Jtag FeatureTest Access Port TAP-Test Clock TCK Performing a TAP Reset Non-Debug Mode Go-NoGo Identification ID RegisterTAP Instruction Set Boundary Scan Cells BSC Debug ModeMbist Control States P4IO17-9 TAP Controller State Diagram FSM53 EXIT2-IR UPDATE-DR UPDATE-IR Mbist Debug Register MDR 391 JTAG/BIST TAP Controller Block DiagramMUX Bist TAP Controller Places the bypass register BYR between TDI and TDO Scan Registers Sizes Register Name Bit SizeInstruction Identification Codes Description Between TDI and TDO Mbist Control Register MCR MCR10 Mode CLKP4 Boundary Scan Order Cell # Signal Name Bump Ball IDCE0 CLKP3 CLKP2 Ordering Information Package Diagram Lead Pbga 27 x 27 x 2.33 mm BG272 SZV Issue Orig. Description of Change DateDocument History FSG

Cypress CY7C0430BV JTAG/BIST TAP Controller Block Diagram, Mux, Mbist Debug Register MDR 391

Models: CY7C0430CV CY7C0430BV

JTAG/BIST TAP Controller Block Diagram

TDI

(MUX)

MBIST Debug Register (MDR)

391

BIST

TAP

CONTROLLER

CLKBIST

MEMORY

CELL

TDO

TCK

TMS

MRST