參數(shù)資料
型號: ISPPAC20-01J
廠商: LATTICE SEMICONDUCTOR CORP
元件分類: 模擬信號調(diào)理
英文描述: In-System Programmable Analog Circuit
中文描述: SPECIALTY ANALOG CIRCUIT, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 7/32頁
文件大?。?/td> 525K
代理商: ISPPAC20-01J
Specifications
ispPAC20
7
valid data
tcsw
tdacs
tdach
CS
DAC
D0-D7
Timing Specifications (SPI/Parallel Interface Modes), Continued
CS
TCK
TDI
TDO
LSB
MSB
don
t
care
don
t
care
DI
0
Represents previous data in shift register
DI
1
DI
2
DI
3
DI
4
DI
5
DI
6
DI
7
DO
0
DO
0
DO
1
DO
2
DO
3
DO
4
DO
5
DO
6
DO
7
SS
MISO
MOSI
SCK
TCK
TDI
TDO
CS
+5V
ENSPI
ispPAC20
SPI
MASTER
DAC Parallel Input Timing Specifications
SPI Connection Diagram
SPI Data Transfer
Notes
1.
SPI data is loaded in TDI, LSB first. If TCK continues to clock after
CS
goes high, data will continue to be shifted through the shift register,
even though the TDO pin is tristated after
CS
goes high.
2.
DO
0
> DO
7
represents
data out
from the SPI microprocessor or other digital source to the TDI input of the ispPAC20.
3.
DI
0
> DI
7
represents
data in
from the ispPAC20 TDO pin to the SPI microprocessor input or other digital source.
4.
After the eighth clock, the LSB (DO
0
) is valid on TDO as long as
CS
is low.
相關(guān)PDF資料
PDF描述
ISPPAC20-01JI In-System Programmable Analog Circuit
ISPPAC30 In-System Programmable Analog Circuit
ISPPAC30-01P In-System Programmable Analog Circuit
ISPPAC30-01PI In-System Programmable Analog Circuit
ISPPAC30-01S In-System Programmable Analog Circuit
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