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参数资料
| 型号： | TC520ACPD |
| 厂商： | Microchip Technology |
| 文件页数： | 15/16页 |
| 文件大小： | 0K |
| 描述： | IC SERIAL INTERFACE ADT 14DIP |
| 标准包装： | 30 |
| 系列： | * |
| 应用： | * |
| 接口： | * |
| 电源电压： | * |
| 封装/外壳： | 14-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 14-PDIP |
| 包装： | 管件 |
| 安装类型： | 通孔 |
| 产品目录页面： | 673 (CN2011-ZH PDF) |
TC520A
DS21431B-page 8
2002 Microchip Technology Inc.
FIGURE 4-1:
TC520 initialization & startup conversion timing relatioNships
FIGURE 4-2:
lOad value modify cycle
4.4.6
OPTO-ISOLATED APPLICATIONS
The 3 wire serial port of the TC520A can be opto-
isolated for applications requiring isolated data acquisi-
tion. The additional control lines (LOAD,DV, READ)
are normally not needed in such applications, but can
also be brought across the isolation barrier with the
addition of a second isolator.
LOAD
LOAD VALUE updated
and conversion started
TC520A Conversion State
CE is pulled
high only during
AZ (DV = Low)
New LOAD VALUE
can be loaded
(if so desired)
TC520A held in
AZ phase
as long as CE = HIGH
CE
AZ
INT
IZ
DINT
AZ
INT
DINT
IZ
AZ
DIN, DCLK
DV
LOAD VALUE
shifted into
DIN
Load
Value
LOAD
LOAD VALUE updated
and conversion started
TC520A Conversion State
CE
AZ
INT
IZ
DINT
AZ
INT
DINT
IZ
AZ
DIN, DCLK
DV
LOAD VALUE
shift into
DIN
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