Neoway N720 - Page 16

N720 Hardware User Guide
Copyright © Neoway Technology Co., Ltd 8
UART2_RTS
52
DO
Request to send
V
OL
max=0.45 V;
V
OH
min=1.35 V
1.8 V
UIM
VUIM
35
PO
UIM power supply
output
1.8V USIM:
Vmax = 1.9 V ;
Vmin = 1.7 V
3V USIM:
Vmax = 3.05 V;
Vmin = 2.7 V;
IO max =50 mA
1.8 V/3 V
Compatible with 1.8/3V UIM card
UIM_RESET
38
DO
UIM reset
1.8 V USIM:
V
OL
max = 0.45 V;
V
OH
min = 1.35 V
3 V USIM:
V
OL
max = 0.4 V;
V
OH
min = 2.6V
1.8 V/3 V
UIM_DATA
36
IO
UIM data
1.8V USIM:
V
IL
max = 0.6 V;
V
IH
min = 1.2 V;
V
OL
max = 0.45 V;
V
OH
min = 1.35 V
3V USIM:
V
IL
max = 0.8 V
V
IH
min = 1.95 V
V
OL
max = 0.45 V
V
OH
min = 2.6 V
1.8 V/3 V