CY7C68014A-56LTXC Cypress Semiconductor Corp, CY7C68014A-56LTXC Datasheet - Page 39

• Manufacturer Part Number: CY7C68014A-56LTXC
• Description: IC MCU USB PHERIPH FX2LP 56VQFN
• Manufacturer: Cypress Semiconductor Corp
• Series: EZ-USB FX2LP™r

Specifications of CY7C68014A-56LTXC

• Applications: USB Microcontroller
• Core Processor: 8051
• Program Memory Type: ROMless
• Controller Series: CY7C680xx
• Ram Size: 16K x 8
• Interface: I²C, USB, USART
• Number Of I /o: 24
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 56-VQFN Exposed Pad, 56-HVQFN, 56-SQFN, 56-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: CY4611B - KIT USB TO ATA REFERENCE DESIGN
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 428-2934

10.3 Data Memory Read
Table 16. Data Memory Read Parameters
Document #: 38-08032 Rev. *M
t
t
t
t
t
t
t
t
When using the AUTPOPTR1 or AUTOPTR2 to address external memory, the address of AUTOPTR1 is only active while either
RD# or WR# are active. The address of AUTOPTR2 is active throughout the cycle and meets the above address valid time for
which is based on the stretch value
Note
CL
AV
STBL
STBH
SCSL
SOEL
DSU
DH
19. t
Parameter
t
t
t
t
ACC2
ACC2
ACC2
ACC3
ACC3
(24 MHz) = 3*t
(48 MHz) = 3*t
(24 MHz) = 5*t
(48 MHz) = 5*t
and t
CLKOUT
CLKOUT
ACC3
are computed from the above parameters as follows:
1/CLKOUT Frequency
Delay from Clock to Valid Address
Clock to RD LOW
Clock to RD HIGH
Clock to CS LOW
Clock to OE LOW
Data Setup to Clock
Data Hold Time
A[15..0]
A[15..0]
[17]
[17]
D[7..0]
D[7..0]
CL
CL
CL
CL
OE#
RD#
RD#
CS#
CS#
– t
– t
– t
– t
AV
AV
AV
AV
–t
– t
–t
– t
DSU
DSU
DSU
DSU
= 106 ns
= 190 ns
t
= 43 ns
= 86 ns.
t
AV
AV
t
t
CL
CL
Description
Figure 13. Data Memory Read Timing Diagram
t
STBL
t
t
ACC1
SCSL
t
SOEL
[19]
Stretch = 0
Stretch = 1
t
data in
DSU
t
ACC1
Min
9.6
0
[19]
t
STBH
t
DH
20.83
41.66
83.2
Typ
t
AV
CY7C68013A, CY7C68014A
CY7C68015A, CY7C68016A
t
data in
DSU
Max
10.7
11.1
11
11
13
t
DH
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Page 39 of 62
48 MHz
24 MHz
12 MHz
Notes
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