User's Manual

2.2.1 I/O Connector Drawing and Supplier Part Number
This connector is placed on the phone module
2.2.2 I/O Connector Electrical Characteristics
I
2.2.2.1 I/O Connector Pin Assignment, I/O Interface, and Circuit Diagrams
Phone_PWR Min:
3.61V
Max:
3.99V
Max:
1.5A
I
SIGNAL
DESCRIPTION
SIGNAL
VOLTAGE
LEVEL
IMPEDANCE
TCU PHON
E
CURREN
T
I/O INTERFACE
TCU SIDE PHONE SIDE
SIGNAL
NAME
COMMENTSSIGNAL
TYPE
ANALOG
OR
DIGITAL
DC input. ANALOG
PIN
#
J1-1
PIN
TYPE
J1-2
J1-3
J1-4
J1-5
J1-6
Phone_PWR
Phone_PWR
Phone_PWR
GND
GND
3.8 volts supply
voltage to phone
module
3.8 volts supply
voltage to phone
module
DC input. Min:
3.61V
Max:
3.99V
NA NA
NANA Max:
1.5A
ANALOG I
3.8 volts supply
voltage to phone
module
DC input. Min:
3.61V
Max:
3.99V
NA NA Max:
1.5A
ANALOG I
3.8 volts supply
voltage to phone
module
DC input. Min:
3.61V
Max:
3.99V
NA
NA
Max:
1.5A
ANALOG I
Over_Voltage
Protection
3.8V QSC6055
VPH_
PWR
4.7
uf
1000pf0.01 f1000pf200 f
3.85V
Switching
Reg
LTC3835
22 H
40m
10
10
15
15
FBATT