參數(shù)資料
型號: CY7C43664
廠商: Cypress Semiconductor Corp.
英文描述: 4K x36 x2 Bidirectional Synchronous FIFO w/ Bus Matching(4K x36 x2 雙向同步先進先出帶總線匹配)
中文描述: 4K的x36 x2雙向同步FIFO瓦特/總線匹配(4K的x36 x2雙向同步先進先出帶總線匹配)
文件頁數(shù): 33/37頁
文件大小: 581K
代理商: CY7C43664
CY7C43624
CY7C43634/CY7C43644
CY7C43664/CY7C43684
33
PRELIMINARY
.
Table 1. Flag Programming
SPM
FS1/SEN
FS0/SD
MRS1
X
X
X
MRS2
X1 and Y1 Registers
[53]
X2 and Y2 Registers
[54]
H
H
H
X
X
X
64
X
H
H
H
X
64
H
H
L
16
X
H
H
L
X
16
H
L
H
8
X
H
L
H
X
8
H
L
L
Parallel programming via Port A
Parallel programming via Port A
L
H
L
Serial programming via SD
Serial programming via SD
L
H
H
Reserved
Reserved
L
L
H
Reserved
Reserved
L
L
L
Reserved
Reserved
Table 2. Port A Enable Function
CSA
H
W/RA
X
ENA
X
MBA
X
CLKA
X
A
0
35
Outputs
In high-impedance state
Port Function
None
L
H
L
X
X
X
X
In high-impedance state
None
L
H
H
L
In high-impedance state
FIFO1 write
L
H
H
H
In high-impedance state
Mail1 write
L
L
L
L
Active, FIFO2 output register
None
L
L
H
L
Active, FIFO2 output register
FIFO2 read
L
L
L
H
Active, Mail2 register
None
L
L
H
H
Active, Mail2 register
Mail2 read (set MBF2 HIGH)
Table 3. Port B Enable Function
CSB
H
W/RB
X
ENB
X
MBB
X
CLKB
X
B
0
35
Outputs
In high-impedance state
Port Function
None
L
L
L
X
X
X
X
In high-impedance state
None
L
L
H
L
In high-impedance state
FIFO2 write
L
L
H
H
In high-impedance state
Mail2 write
L
H
L
L
Active, FIFO1 output register
None
L
H
H
L
Active, FIFO1 output register
FIFO1 read
L
H
L
H
Active, Mail1 register
None
L
H
H
H
Active, Mail1 register
Mail1 read (set MBF1 HIGH)
Notes:
53. X1 register holds the offset for AEB; Y1 register holds the offset for AFA.
54. X2 register holds the offset for AEA; Y2 register holds the offset for AFB.
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