![background image](http://html.mh-extra.com/html/samsung/sa-n9001/sa-n9001_hardware-manual_1193241056.webp)
© SAMSUNG Electronics Co., Ltd. Confidential & Proprietary
56
/ 79
Hardware Guide
Parameter
Description
Min.
Max.
Unit
V
IH
Logic hi
g
h-level input voltage
0.7 x DVDD
DVDD + 0.3 V
V
IL
Logic low-level input voltage
–0.3
0.3 x DVDD V
V
OH
Logic hi
g
h-level output
0.8 x DVDD
DVDD
V
V
OL
Logic low-level output voltage
VSS
0.2 x DVDD V
5.4 Electrical Features of Application Interfaces
Table 5-3
Electrical features of Digital Pins
(
GPIO/PCM/UART/SPI/SIM/Control GPIO
)
voltage
5.5 Power Supply Features
5.5.1 Input Power Supply
Table 5-4 lists the requirements for input power of the NAD LGA module.
Table 5-4
Requirements for input power
Parameter
Min.
Typ.
Max.
Ripple
Unit
VPH_PWR
4.0
4.2
4.4
0.05
V
The minimum voltage of VBAT can extend to 3.6 V, under this condition, only ensure the module will not
restart, but the characteristics cannot be guaranteed.
Figure 5-1
Power supply during burst emission
The VBAT minimum value must be guaranteed during the burst (with 2.8 A Peak in GPRS or
GSM mode).
Table 5-5
Requirements for input current
Power
Peak (GSM 1 slot)
Normal (WCDMA)
Normal (LTE)
VBAT
2.8 A
1.4 A
1.4 A