Cypress CY7C0430CV, CY7C0430BV manual Mask Register Readback Input . When asserted LOW

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CY7C0430BV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CY7C0430CV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Definitions (continued)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Port 1

 

 

 

Port 2

 

 

Port 3

 

 

Port 4

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P1

 

 

 

 

 

P2

 

 

 

 

P3

 

 

 

 

P4

Counter Readback Input. When asserted LOW, the

 

 

CNTRD

CNTRD

CNTRD

CNTRD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

internal address value of the counter will be read back on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the address lines. During CNTRD operation, both CNTLD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and CNTINC must be HIGH. Counter readback operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

has higher priority over mask register readback operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Counter readback operation is independent of port chip

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

enables. If address readback operation occurs with chip

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

enables active (CE0 = LOW, CE1 = HIGH), the data lines

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(I/Os) will be three-stated. The readback timing will be

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

valid after one no-operation cycle plus tCD2 from the rising

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

edge of the next cycle.

 

 

 

 

P1

 

 

 

 

P2

 

 

 

P3

 

 

 

P4

Mask Register Readback Input. When asserted LOW,

 

 

MKRD

 

 

MKRD

MKRD

MKRD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the value of the mask register will be readback on address

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

lines. During mask register readback operation, all

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

counter and MKLD inputs must be HIGH (see Counter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and Mask Register Operations truth table). Mask register

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

readback operation is independent of port chip enables.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If address readback operation occurs with chip enables

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

active (CE0 = LOW, CE1 = HIGH), the data lines (I/Os) will

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

be three-stated. The readback will be valid after one

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

no-operation cycle plus tCD2 from the rising edge of the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

next cycle.

 

 

 

 

 

 

P1

 

 

 

 

 

 

P2

 

 

 

 

 

P3

 

 

 

 

 

P4

Counter Interrupt Flag Output. Flag is asserted LOW

 

 

CNTINT

 

 

CNTINT

CNTINT

CNTINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

for one clock cycle when the counter wraps around to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

location zero.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Interrupt Flag Output. Interrupt permits communications

 

 

INTP1

 

 

INTP2

 

INTP3

 

INTP4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

between all four ports. The upper four memory locations

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

can be used for message passing. Example of operation:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTP4 is asserted LOW when another port writes to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

mailbox location of Port 4. Flag is cleared when Port 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

reads the contents of its mailbox. The same operation is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

applicable to ports 1, 2, and 3.

 

 

TMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JTAG Test Mode Select Input. It controls the advance of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JTAG TAP state machine. State machine transitions occur

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

on the rising edge of TCK.

 

 

TCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JTAG Test Clock Input. This can be CLK of any port or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

an external clock connected to the JTAG TAP.

 

 

TDI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JTAG Test Data Input. This is the only data input. TDI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

inputs will shift data serially in to the selected register.

 

 

TDO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JTAG Test Data Output. This is the only data output.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TDO transitions occur on the falling edge of TCK. TDO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

normally three-stated except when captured data is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

shifted out of the JTAG TAP.

 

 

CLKBIST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BIST Clock Input.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermal Ground for Heat Dissipation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ground Input.

 

 

VDD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power Input.

 

 

VSS1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Address Lines Ground Input.

 

 

VDD1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Address Lines Power Input.

 

 

VSS2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data Lines Ground Input.

 

 

VDD2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data Lines Power Input.

 

Document #: 38-06027 Rev. *B

Page 7 of 37

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Contents QuadPort DSE Family Applications FeaturesCypress Semiconductor Corporation Queue #1 Functional DescriptionProcessor Pre-processed Data Path Processor Processed Data PathPort 1 Operation-control Logic Blocks2 Top Level Logic Block DiagramAddress Readback is independent of CEs Port 1 Operation-Control Logic Block DiagramBall Grid Array BGA Top View Pin ConfigurationPort Description Selection GuidePin Definitions CY7C0430CV UnitCounter Interrupt Flag Output . Flag is asserted LOW Mask Register Readback Input . When asserted LOWCapacitance Electrical Characteristics Over the Operating RangeMaximum Ratings Operating RangeTAP Load Three-State DelayAC Test Load Normal LoadMaximum Frequency Chip Enable Set-up TimeChip Enable Hold Time Output Enable to Data ValidJtag Timing and Switching Waveforms Master Reset10 Switching WaveformsLatency CLKAddress Data OUTRead No Operation Write Bank Select Read 17Read-to-Write-to-Read OE = Address B1Dataout Read-to-Write-to-Read OE Controlled19, 20, 21Read with Address Counter Advance23 Cntld CntincCounter Hold Write with Address Counter Advance 24Address Internal Write External Write withAddress n Counter Reset 21, 26Counter Write Read Reset Address Data Data OUTCntrd Internal Load and Read Address Counter28Load Read Data with Counter External Address Internal Load Read Mask Register Value Load and Read Mask RegisterMkld Mkrd Mask Internal ValuePort 1 Write to Port 2 Read34, 35 Mailbox Interrupt Timing40, 41, 42, 43 Counter Interrupt 37, 38Operation Mode OperationPort Function Master ResetInterrupts Interrupt Operation ExampleCntrd Mkrd Address Counter Control OperationsCntinc = Cntld = Cntrst = CLK Counter-Mask Register Performing a TAP Reset Disabling the Jtag FeatureTest Access Port TAP-Test Clock TCK Test Mode SelectIdentification ID Register Non-Debug Mode Go-NoGoTAP Instruction Set P4IO17-9 Debug ModeMbist Control States Boundary Scan Cells BSCEXIT2-IR UPDATE-DR UPDATE-IR TAP Controller State Diagram FSM53Bist TAP Controller JTAG/BIST TAP Controller Block DiagramMUX Mbist Debug Register MDR 391Between TDI and TDO Scan Registers Sizes Register Name Bit SizeInstruction Identification Codes Description Places the bypass register BYR between TDI and TDOMbist Control Register MCR MCR10 Mode CLKP3 Boundary Scan Order Cell # Signal Name Bump Ball IDCE0 CLKP4CLKP2 Ordering Information Lead Pbga 27 x 27 x 2.33 mm BG272 Package DiagramFSG Issue Orig. Description of Change DateDocument History SZV