Siemens TC65 Hardware Interface Description page 74

TC65 Hardware Interface Description
Strictly confidential / Draft
Function Signal name
SIM interface CCIN
specified for
use with 3V
SIM card
CCRST
CCIO
CCCLK
CCVCC
CCGND
SIM interface CCIN
specified for
use with
1.8V SIM
card
CCRST
CCIO
CCCLK
CCVCC
CCGND
ASC0 RXD0
Serial TXD0
interface
CTS0
RTS0
DTR0
DCD0
DSR0
RING0
TC65_HD_V00.521
IO Signal form and level
I
R ≈ 100kΩ
I
V max = 0.6V at I = -25µA
IL
V min = 2.1V at I = -10µA
IH
V max = 3.05V
O
O
R ≈ 47Ω
O
V max = 0.25V at I = +1mA
OL
V min = 2.5V at I = -0.5mA
OH
V max = 2.95V
OH
I/O R
≈ 4.7kΩ
I
V max = 0.75V
IL
V min = -0.3V
IL
V min = 2.1V
IH
V max = CCVCCmin + 0.3V = 3.05V
IH
R ≈ 100Ω
O
V max = 0.3V at I = +1mA
OL
V min = 2.5V at I = -0.5mA
OH
V max = 2.95V
OH
O
R ≈ 100Ω
O
V max = 0.3V at I = +1mA
OL
V min = 2.5V at I = -0.5mA
OH
V max = 2.95V
OH
O V min = 2.75V
O
V typ = 2.85V
O
V max = 2.95V
O
I max = -20mA
O
Ground
I
R ≈ 100kΩ
I
V max = 0.6V at I = -25µA
IL
V min = 2.1V at I = -10µA
IH
V max = 3.05V
O
O
R ≈ 47Ω
O
V max = 0.25V at I = +1mA
OL
V min = 1.45V at I = -0.5mA
OH
V max = 1.90V
OH
I/O R
≈ 4.7kΩ
I
V max = 0.45V
IL
V min = 1.35V
IH
V max = CCVCCmin + 0.3V = 2.00V
IH
R ≈ 100Ω
O
V max = 0.3V at I = +1mA
OL
V min = 1.45V at I = -0.5mA
OH
V max = 1.90V
OH
O
R ≈ 100Ω
O
V max = 0.3V at I = +1mA
OL
V min = 1.45V at I = -0.5mA
OH
V max = 1.90V
OH
O V min = 1.70V,
O
V typ = 1.80V
O
V max = 1.90V
O
I max = -20mA
O
Ground
O V max = 0.2V at I = 2mA
OL
V min = 2.55V at I = -0.5mA
I
OH
V max = 3.05V
OH
O
I
V max = 0.8V
IL
I
V min = 2.0V
IH
O
V max = VEXTmin + 0.3V = 3.05V
IH
O
O
Page 74 of 99
s
Comment
CCIN = Low, SIM card holder
closed
Maximum cable length or
copper track 100mm to SIM
card holder.
All signals of SIM interface
are protected against ESD
with a special diode array.
Usage of CCGND is
mandatory.
CCIN = Low, SIM card holder
closed
Maximum cable length or
copper track 100mm to SIM
card holder.
All signals of SIM interface
are protected against ESD
with a special diode array.
Usage of CCGND is
mandatory.
Serial interface for AT
commands or data stream.
If lines are unused keep pins
open.
24.05.2005