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L9779WD-SPI Datasheet(PDF) 110 Page - STMicroelectronics

Part # L9779WD-SPI
Description  Smart reset function
PDF  141 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9779WD-SPI Datasheet(HTML) 110 Page - STMicroelectronics

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Functional description
L9779WD-SPI
110/141
DocID027721 Rev 2
Electrical characteristics
-
6.16.3
SPI registers
Table 54. Electrical characteristics
Pin
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
SCK
SCKL
Low input level
-
-0.3
-
1.1
V
SCKH
High input level
-
2.3
-
VDD5
+0.3
V
VHYST
Hysteresis
-
0.1
-
-
V
IIN
Input current
-
-
5
µA
DIN
SCKL
Low input level
-
-0.3
-
1.1
V
SCKH
High input level
-
2.3
-
VDD5
+0.3
V
VHYST
Hysteresis
-
0.1
-
-
V
IIN
Input current
-
-
-
5
µA
DO
VDO_L
DO output low level
Isink current = 2 mA
-
-
0.5
V
VDO_H
DO output high level Isource current = 2 mA
VDD5
-0.5
--
V
CS
ENL
Low input level
-
-0.3
-
1.1
V
ENH
High input level
-
2.3
-
VDD5
+0.3
V
VHYST
Hysteresis
-
0.1
-
-
V
IIN
Input current
-
-
-
5
µA
RPU
Pull up resistor
-
50
-
250
k
Table 55. SPI registers
Register
R/W
Address
Description
CONFIG_REG1
W
0x01
Configuration registers
CONFIG_REG2
W
0x02
CONFIG_REG3
W
0x03
CONFIG_REG4
W
0x04
CONFIG_REG5
W
0x05
CONFIG_REG6
W
0x06
CONFIG_REG7
W
0x07
CONFIG_REG9/SPI RESPTIME
W
0x11
CONFIG_REG10/CPS
W
0x12



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