S6E2C2 Datasheet, PDF (86/207 Pages) Cypress Semiconductor – 32-bit ARM® Cortex®-M4F FM4 Microcontroller

S6E2C2 Series
List of Pin Behavior by Mode State
Function
Group
Power-On
Reset or
Low-
Voltage
Detection
State
INITX
Input
State
Device
Internal
Reset
State
Run mode
or Sleep
mode State
Timer mode,
RTC mode, or
Stop mode State
Deep Standby RTC
mode or Deep Standby
Stop mode State
Return From
Deep
Standby
mode State
Power
Power
Supply
Supply
Unstable
Stable
‐ INITX=0 INITX=1
‐
‐
‐
Power
Supply
Stable
INITX=1
‐
GPIO
selected
Setting Setting Setting
disabled disabled disabled
Maintain
previous
state
A
Main crystal
oscillator
input pin/
external
main clock
input
selected
Input
enabled
Input Input
enabled enabled
Input
enabled
GPIO
selected
Setting Setting Setting
disabled disabled disabled
Maintain
previous
state
External
main clock Setting Setting Setting
B
input
selected
disabled disabled disabled
Main crystal
oscillator
output pin
Hi-Z/
internal
input
fixed
at 0/
or input
enable
Hi-Z/
internal
input
fixed
at 0
Hi-Z/
internal
input
fixed
at 0
C
INITX
input pin
Pull-up/ Pull-up/ Pull-up/
input Input Input
enabled enabled enabled
Maintain
previous
state
Pull-up/
Input
enabled
Power Supply
Stable
Power Supply
Stable
INITX=1
INITX=1
SPL=0
SPL=1
SPL=0
SPL=1
GPIO
Maintain Hi-Z/interna selected, Hi-Z/interna
previous l input fixed internal l input fixed
state
at 0
input fixed
at 0
at 0
Input
enabled
Input
enabled
Input
enabled
Input
enabled
Maintain
previous
state
GPIO
Hi-Z/interna selected, Hi-Z/interna
l input fixed internal l input fixed
at 0
input fixed
at 0
at 0
Maintain Hi-Z/interna Maintain Hi-Z/interna
previous l input fixed previous l input fixed
state
at 0
state
at 0
Maintain previous state while oscillator active/
When oscillation stops*¹, it will be Hi-Z/
Internal input fixed at 0
Pull-up/
Input
enabled
Pull-up/
Input
enabled
Pull-up/
Input
enabled
Pull-up/
Input
enabled
Power
Supply
Stable
INITX=1
-
GPIO
selected
Input
Enabled
GPIO
selected
Maintain
previous
State
Pull-up/
Input
enabled
D
Mode
input pin
Input Input Input
Input
enabled enabled enabled enabled
Mode
Input Input Input
Input
input pin enabled enabled enabled enabled
E
GPIO
selected
Setting Setting Setting
disabled disabled disabled
Maintain
previous
state
Input
enabled
Input
enabled
Maintain
previous
state
Input
enabled
Input
enabled
Hi-Z/
input
enabled
Input
enabled
Input
enabled
GPIO
selected
Input
enabled
Input
enabled
Hi-Z/
input
enabled
Input
enabled
Input
enabled
GPIO
selected
Document Number: 002-05030 Rev.*A
Page 86 of 207