參數(shù)資料
型號(hào): IDT72510
廠商: Integrated Device Technology, Inc.
英文描述: BUS-MATCHING BIDIRECTIONAL FIFO 512 x 18-BIT . 1024 x 9-BIT 1024 x 18-BIT . 2048 x 9-BIT
中文描述: 總線匹配雙向FIFO的512 × 18位。 1024 × 9位1024 × 18位。 2048 × 9位
文件頁(yè)數(shù): 8/32頁(yè)
文件大?。?/td> 440K
代理商: IDT72510
5.31
8
IDT72510, IDT72520
BUS MATCHING BIDIRECTIONAL FIFO
COMMERCIAL TEMPERATURE RANGE
alone configuration BiFIFOs connected to a peripheral.
In a 36- to 9-bit configuration, the master device controls
the bus. The Port B interface pins of the master device are
outputs and the interface pins of the slave device are inputs.
A 36- to 9-bit configuration of two BiFIFOs connected to a
peripheral is shown in Figure 4.
Port A Interface
The BiFIFO is straightforward to use in microprocessor-
based systems because each BiFIFO port has a standard
microprocessor control set. Port A has access to six re-
sources: the A
B FIFO, the B
A FIFO, the 9-bit direct data
bus (bypass path), the configuration registers, status and
command registers. The Port A Address and Read/Write pins
determine the resource being accessed as shown in Table 1.
Data Strobe is used to move data in and out of the BiFIFO.
When either of the internal FIFOs are accessed 18 bits of
data are transferred across Port A. Since the bypass path is
only 9 bits wide, the least significant byte with parity
(D
A0
-D
A7
, D
A16
) is used on Port A. All of the registers are 16
bits wide which means only the data bits (D
A0
-D
A15
) are
passed by Port A.
36-BIT PROCESSOR to 9-BIT PROCESSOR CONFIGURATION
IDT
BiFIFO
(Master)
Cntl A
Processor
A
Address
Processor
B
Data
Data A Data B
Data
Cntl B
ACK
REQ
CLK
IDT
BiFIFO
(Slave)
Data A Data B
Cntl A
Cntl B
C
L
RAM
9
3
18
ACK
REQ
CLK
Control
RAM
C
L
Control
2669 drw 06
Figure 3. 36- to 9-Bit Processor Interface Configuration
NOTE:
1.
Cntl A
refers to
CS
A
,
A
1
, A
0
, R/
W
A
and
DS
A
;
Cntl B
refers to R/
W
B
and
DS
B
or
R
B
and
W
B
.
相關(guān)PDF資料
PDF描述
IDT72511 High-Performance Current-Mode PWM Controller 8-SOIC 0 to 70
IDT72511L25G High-Performance Current-Mode PWM Controller 14-SOIC 0 to 70
IDT72511L25GB High-Performance Current-Mode PWM Controller 8-SOIC 0 to 70
IDT72511L25J High-Performance Current-Mode PWM Controller 14-SOIC 0 to 70
IDT72511L25JB High-Performance Current-Mode PWM Controller 8-SOIC 0 to 70
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