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SARA-R5 series - Data sheet
UBX-19016638 - R06
Electrical specifications
Page 31 of 43
C1-Public
4.2.10 DDC (I2C) pins
DDC (I2C) lines (SCL and SDA) are compliant to the I2C-bus standard mode specification. See the
I2C-bus specification [10] for detailed electrical characteristics.
Parameter
Min
Typical
Max
Unit
Remarks
Internal supply for DDC domain
1.8
V
Digital I/O Interfaces supply (V_INT)
Low-level input
-0.3
0.5
V
High-level input
1.3
2.1
V
Low-level output
0.0
V
Pull-up input current
-450
µ
A
Table 20: DDC (I2C) pin characteristics
4.2.11 USB pins
USB data lines (USB_D+ / USB_D–) are compliant with the USB 2.0 high-speed specification. See the
Universal Serial Bus specification revision 2.0 [9] for detailed electrical characteristics. The values in
Table 21 related to USB 2.0 high-speed physical layer specifications are for information only.
Parameter
Min.
Typical
Max.
Unit
Remarks
VUSB_DET pin, High-level input
4.40
5.00
5.25
V
High-speed squelch detection threshold
(input differential signal amplitude)
100
150
mV
High speed disconnect detection threshold
(input differential signal amplitude)
525
625
mV
High-speed data signaling input
common mode voltage range
–50
500
mV
High-speed idle output level
–10
10
mV
High-speed data signaling output high level 360
440
mV
High-speed data signaling output low level –10
10
mV
Chirp J level (output differential voltage)
700
1100
mV
Chirp K level (output differential voltage)
–900
–500
mV
Table 21: USB pins characteristics



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