BGS2-W miniPCIe Hardware Interface Description
3.1 Pin Assignments and Electrical Description
35
BGS2-W_miniPCIe_v01.000
Page 15 of 36
2012-10-05
Confidential / Preliminary
Table 3:
Electrical description of connector interface pins
Function
Pin name
IO
Signal form and level
Comment
Power
supply
BATT+
I
V
I
max = 3.6V
V
I
norm = 3.3V
V
I
min = 3.0V during Tx burst on board
Lines of BATT+ and GND
must be connected in
parallel for supply pur-
poses because higher
peak currents may occur.
GND
Ground
Application Ground
Emergency
restart
EMERG_RST
I
R
I
1k
, C
I
1nF
V
IH
max = 1.9V
V
IH
min = 1.35V
V
IL
max = 0.3V
~~|___|~~ low impulse width > 10ms
This line must be driven
low by an open drain or
open collector driver con-
nected to GND.
If unused keep line open.
3V SIM
Card Inter-
face
CCRST
O
V
OL
max = 0.20V at I = 2mA
V
OH
min = 2.40V at I = -2mA
V
OH
max = 2.90V
Maximum cable length or
copper track from sol-
dered pad to SIM card
holder should not exceed
100mm.
CCIO
I/O V
IL
max = 0.60V
V
IH
min = 1.95V
V
IH
max = 2.90V
V
OL
max = 0.20V at I = 2mA
V
OH
min = 2.40V at I = -2mA
V
OH
max = 2.90V
CCCLK
O
V
OL
max = 0.20V at I = 2mA
V
OH
min = 2.40V at I = -2mA
V
OH
max = 2.90V
CCVCC
O
V
O
min = 2.80V
V
O
typ = 2.85V
V
O
max = 2.90V
I
O
max = -30mA
1.8V SIM
Card Inter-
face
CCRST
O
V
OL
max = 0.20V at I = 2mA
V
OH
min = 1.50V at I = -2mA
V
OH
max = 1.90V
Maximum cable length or
copper track from sol-
dered pad to SIM card
holder should not exceed
100mm.
CCIO
I/O V
IL
max = 0.37V
V
IH
min = 1.22V
V
IH
max = 1.90V
V
OL
max = 0.20V at I = 2mA
V
OH
min = 1.50V at I = -2mA
V
OH
max = 1.90V
CCCLK
O
V
OL
max = 0.20V at I = 2mA
V
OH
min = 1.50V at I = -2mA
V
OH
max = 1.90V
CCVCC
O
V
O
min = 1.75V
V
O
typ = 1.80V
V
O
max = 1.85V
I
O
max = -30mA
Status LED
interface
Status LED
O
V
OL
max = 0.20V at I = 2mA
V
OH
min = 1.50V at I = -2mA
V
OH
max = 1.90V
If unused keep line open.
