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AN3190 Datasheet(PDF) 17 Page - STMicroelectronics

Part # AN3190
Description  LQFP144 pinout compatibility analysis
PDF  56 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3190 Datasheet(HTML) 17 Page - STMicroelectronics

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AN3190
Pad compatibility
Doc ID 17333 Rev 2
17/56
2.5
Reset pad
The negative logic reset on pad 31 differs between the two devices as follows:
●
SPC560Px reset has an internal pull up.
●
SPC56EL60 reset has an internal pull down.
This difference must be taken into account during the design of the external reset circuitry of
a board which must be SPC560Px/SPC56EL60 compatible.
Figure 3.
SPC560Px XOSC circuit –
crystal/oscillation mode
configuration
Figure 4.
SPC56EL60 XOSC circuit –
crystal/oscillation mode
configuration
Rd
(0 Ohm)
C
C
Crystal
XTAL
Pad 29
EXTAL
Pad 30
Vss_HV_OSC Pad 28
Rd
(0 Ohm)
C
C
Crystal
XTAL
Pad 29
EXTAL
Pad 30
Vss_HV_OSC Pad 28
C
C
Crystal
XTAL
Pad 29
EXTAL
Pad 30
Vss_HV_OSC Pad 28
Rd
(0 Ohm)
C
C
Crystal
XTAL
Pad 29
Vss_HV_OSC Pad 28
EXTAL
Pad 30
Rd
(0 Ohm)
C
C
Crystal
XTAL
Pad 29
Vss_HV_OSC Pad 28
EXTAL
Pad 30



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