Users Manual Part 2

Thundercomm TurboX C865 System on Module
Copyright © 2018 All Rights Reserved, Thundercomm Technology Co., Ltd.
4
VOL Low-level output voltage, CMOS 0.0 0.45 V
RPULL-UP Pull-up resistance 20 K 60 K Ω
RPULL-DOWN Pull-down resistance 60 K 20 K Ω
Table 4.4-1 Digital IO voltage performance
4.4.2 SD card digital I/O characteristics
The SD card is powered by P2 supply; the power is 1.8V and 2.96V.the following table shows the SD card
digital I/O characteristics:
Parameter Description Min Typical Max Units
VIH High-level input voltage
1.27/0.625 x
VDDPX_2
-
2/VDDPX_2
+ 0.3
V
VIL Low-level input voltage -0.3/-0.3 -
0.58/0.25 x
VDDPX_2
V
VHYS Schmitt hysteresis voltage 100 - - mV
RPULL-UP Pull-up resistance 10 K - 100K Ω
RPULL-DOWN
Pull-down resistance
10 K
-
100K
Ω
RKEEPER-UP Keeper-up resistance 10 K - 100K Ω
RKEEPER-DOWN Keeper-down resistance 10 K - 100K Ω
VOH High-level output voltage
1.4/0.75 x
VDDPX_2
- -/VDDPX_2 V
VOL Low-level output voltage 0/0 -
0.45/0.125 x
VDDPX_2
V
Table 4.4-2 SD digital IO voltage performance (1.8V/2.96V)
4.5 MIPI
The SOM supports the MIPI interface and comply with MIPI standards.
Applicable standard Feature exceptions
MIPI Alliance Specification for Display Serial Interface None
MIPI Alliance Specification for DPHY v1.2 None