參數(shù)資料
型號: CYD02S36V
廠商: Cypress Semiconductor Corp.
英文描述: FLEx36TM 3.3V 32K/64K/128K/256K/512 x 36 Synchronous Dual-Port RAM(FLEx36TM 3.3V 32K/64K/128K/256K/512 x 36同步雙端口RAM)
中文描述: FLEx36TM 3.3 32K/64K/128K/256K/512 × 36同步雙口RAM(FLEx36TM 3.3 32K/64K/128K/256K/512 × 36同步雙端口RAM)的
文件頁數(shù): 24/28頁
文件大?。?/td> 608K
代理商: CYD02S36V
CYD01S36V
CYD02S36V/CYD04S36V
CYD09S36V/CYD18S36V
Document #: 38-06076 Rev. *E
Page 24 of 28
MailBox Interrupt Timing
[57, 58, 59, 60, 61]
Switching Waveforms
(continued)
t
CH2
t
CL2
t
CYC2
CLK
L
t
CH2
t
CL2
t
CYC2
CLK
R
7FFFF
t
SA
t
HA
A
n+3
A
n
A
n+1
A
n+2
L_PORT
ADDRESS
A
m
A
m+4
A
m+1
7FFFF
A
m+3
R_PORT
ADDRESS
INT
R
t
SA
t
HA
t
SINT
t
RINT
Table 7. Read/Write and Enable Operation
(Any Port)
[1, 18, 62, 63, 64]
Inputs
Outputs
Operation
OE
X
CLK
CE
0
H
CE
1
X
R/W
X
DQ
0
DQ
35
High-Z
Deselected
X
X
L
X
High-Z
Deselected
X
L
H
L
D
IN
Write
L
L
H
H
D
OUT
Read
H
X
L
H
X
High-Z
Outputs Disabled
Notes:
57.CE
= OE = ADS = CNTEN = LOW; CE
= CNTRST = MRST = CNT/MSK = HIGH.
58.Address “7FFFF” is the mailbox location for R_Port of the 9-Mbit device.
59.L_Port is configured for Write operation, and R_Port is configured for Read operation.
60.At least one byte enable (BE0 – BE3) is required to be active during interrupt operations.
61.Interrupt flag is set with respect to the rising edge of the Write clock, and is reset with respect to the rising edge of the Read clock.
62.OE is an asynchronous input signal.
63.When CE changes state, deselection and Read happen after one cycle of latency.
64.CE
0
= OE = LOW; CE
1
= R/W = HIGH.
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