NOP, Stall and Deselect Cycles22, 23 | Cypress CY7C1355C, CY7C1357C

CY7C1355C

CY7C1357C

Switching Waveforms (continued)

NOP, STALL and DESELECT Cycles[22, 23, 25]

1	2	tCYC 3	4	5	6	7	8	9	10
CLK
tCENS tCENH	tCH	tCL

CEN

tCES tCEH

ADV/LD

BWX

ADDRESS	A1	A2		A3	A4		A5	A6	A7
tAS	tAH			tCDV
tAS	tAH			tCLZ	tDOH		tOEV tCHZ
				tCLZ	tDOH		tOEV tCHZ
DQ		D(A1)	D(A2)	D(A2+1)	Q(A3)	Q(A4)	Q(A4+1)	D(A5)	Q(A6)	D(A7)
	tDS	tDH				tOEHZ	tDOH
OE							tOELZ
COMMAND	WRITE	WRITE	BURST	READ	READ	BURST	WRITE	READ	WRITE	DESELECT
	WRITE	WRITE	BURST	READ	READ	BURST	WRITE	READ	WRITE	DESELECT
	D(A1)	D(A2)	WRITE	Q(A3)	Q(A4)	READ	D(A5)	Q(A6)	D(A7)
			D(A2+1)			Q(A4+1)
				DON’T CARE		UNDEFINED

Note:

25. The IGNORE CLOCK EDGE or STALL cycle (Clock 3) illustrates CEN being used to create a pause. A write is not performed during this cycle.

Document #: 38-05539 Rev. *E

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Cypress CY7C1355C, CY7C1357C manual NOP, Stall and Deselect Cycles22, 23, QA4+1 DA5 QA6 DA7

Contents

Selection Guide FeaturesFunctional Description1 133 MHz 100 MHz Unit Logic Block Diagram CY7C1355C 256K x Logic Block Diagram CY7C1357C 512K x Pin Configurations Pin Tqfp Pinout CY7C1355C CY7C1357C Pin Configurations Ball BGA Pinout 3 Chip Enables with Jtag CE2 CLK Pin Configurations Ball Fbga Pinout 3 Chip enable with JtagCE2 Pin Definitions Power supply inputs to the core of the devicePower supply for the I/O circuitry Name Description Single Write Accesses Single Read AccessesBurst Read Accesses Functional Overview Linear Burst Address Table Mode = GND Interleaved Burst Address Table Mode = Floating or VDDZZ Mode Electrical Characteristics Truth Table for Read/Write2, 3,9 Sleep ModePartial Truth Table for Read/Write2, 3 Function CY7C1355C TAP Controller State Diagram TAP Controller Block DiagramIeee 1149.1 Serial Boundary Scan Jtag Bypass Register TAP Instruction Set Output Times TAP TimingParameter Description Min Max Unit Clock Set-up Times 5V TAP AC Output Load Equivalent 3V TAP AC Test Conditions5V TAP AC Test Conditions Identification Register Definitions Register Name Bit Size Scan Register SizesIdentification Codes Instruction Code Description Ball BGA Boundary Scan Order CY7C1355C 256K x Bit# Ball ID SignalCY7C1357C 512K x Bit# Ball Id Signal Name Name Ball Fbga Boundary Scan Order CY7C1355C 256K x Bit# Ball ID Signal NameBWD Operating Range Electrical Characteristics Over the Operating Range13Maximum Ratings Ambient Range AC Test Loads and Waveforms Capacitance15Thermal Resistance15 3V I/O Test Load Switching Characteristics Over the Operating Range 16 100 Parameter Description Unit Min Max Read/Write Waveforms22, 23 Switching WaveformsCommand Write NOP, Stall and Deselect Cycles22, 23 QA4+1 DA5 QA6 DA7 ZZ Mode Timing26 Ordering Information Package Diagrams Pin Thin Plastic Quad Flatpack 14 x 20 x 1.4 mm Ball BGA 14 x 22 x 2.4 mm 90±0.05 Soldernotespad Type NON-SOLDER Mask Defined Nsmd Issue Date Orig. Description of Change Document History

Switching Waveforms (continued)

NOP, STALL and DESELECT Cycles[22, 23, 25]

ADV/LD

BWX

ADDRESS

Q(A4+1)

D(A5)

Q(A6)

D(A7)

COMMAND

WRITE

READ

WRITE

UNDEFINED