User's Manual

LILY-W1 series - Data Sheet
UBX-15000203 - R04 Early Production Information Electrical specifications
Page 18 of 38
4.2.4 I/O DC characteristics
The HOST_WKUP and CLK_REQ signals are supplied with the VCC_IO pin and you can select either 1.8 V or 3.3
V. (VCC = 3.3 V, T
amb
= 25 °C)
Signals
Symbol
Description
Min
Typ
Max
Unit
VCC_IO levels
HOST_WKUP,
CLK_REQ
V
IL
LOW level input voltage
-0.4
-
0.3*VCC_IO
v
V
IH
HIGH level input voltage
0.7*VCC_IO
-
VCC_IO+0.4
V
OL
LOW level output voltage
-
-
0.4
V
OH
HIGH level output voltage
VCC_IO-0.4
-
-
3.3 V input PD-n
V
3.3VIL
3.3 V LOW level input voltage
-0.4
-
0.3*VCC
V
V
3.3VIH
3.3 V HIGH level input voltage
0.7*VCC
-
VCC+0.4
V
R
PD-n
PD-n internal PU
-
47
-
kΩ
3.3 V output
ANT_SEL, ANT_SEL-n
V
3.3VOL
3.3 V LOW level output voltage
-
-
0.4
V
V
3.3VOH
3.3 V HIGH level output voltage
VCC-0.4
-
-
V
1.8 V input
WAKE_UP, USB/SDIO-n
V
1.8VIL
1.8 V LOW level input voltage
-0.4
-
0.4
V
V
1.8VIL
1.8 V HIGH level input voltage
1.4
-
2.0
V
R
1.8VI
1.8 V input pin internal PU / PD
-
TBD
-
kΩ
V
HYS
Input hysteresis
100
-
-
mV
Table 11: I/O signals DC characteristics
4.2.5 USB characteristics
(VCC = 3.3 V, T
amb
= 25 °C)
Signals
Symbol
Parameter
Min
Typ
Max
Unit
USB power valid indication
USB_VBUS_ON
V
VBUSIL
USB_VBUS_ON LOW level input voltage
-0.4
-
0.3*VCC_IO
V
VBUSIH
USB_VBUS_ON HIGH level input voltage
0.7*VCC_IO
-
VCC_IO+0.4
Input levels for Low/Full
Speed
USB_DP/USB_DM
V
IL
LOW level input voltage
-
-
0.8
V
V
IH
HIGH level input voltage (driven)
2.0
-
-
V
V
IHZ
HIGH level voltage (floating)
2.7
-
3.6
V
V
CM
Differential common mode range
0.8
-
2.5
V
Output levels for Low/Full
Speed
USB_DP/USB_DM
V
OL
LOW level output voltage
0
-
0.3
V
V
OH
HIGH level output voltage (driven)
2.8
-
3.6
V
V
CRS
Output signal crossover voltage
1.3
-
2.0
V
Input Levels for High Speed
USB_DP/USB_DM
V
HSSQ
High-speed squelch detection threshold
(differential signal amplitude)
100
-
150
mV
V
HSDSC
High-speed disconnect detection threshold
(differential signal amplitude)
525
-
625
mV
V
HSCM
High-speed data signaling common mode
voltage range
-50
-
500
mV
Output Levels for High
Speed
USB_DP/USB_DM
V
HSOI
High-speed idle level
-10
-
10
mV
V
HSOH
High-speed data signaling high
360
-
440
mV
V
HSOL
High-speed data signaling low
-10
-
10
mV
V
CHIRPJ
Chirp J level (differential voltage)
700
-
1100
mV
V
CHIRPK
Chirp K level (differential voltage)
-900
-
-500
mV
Data rate
T
FSDRAT
Full speed data rate
-
12
-
Mb/s
T
HSDRAT
High speed data rate
-
480
-
Mb/s
Table 12: USB characteristics