Fibocom FG621-LA Series, Руководство по оборудованию, Страница: 17 / 57

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FIBOCOM FG621-LA Series Hardware Guide Page 17 of 57
Pin# Pin Name I/O Level Description
V
IH
min=1.2V
V
IH
max=2.0V
77
SPI_MOSI DO
V
OL
max=0.45V
V
OH
min=1.35V
SPI output signal
78
SPI_MISO DI
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
SPI input signal
79
SPI_CS DO
V
OL
max=0.45V
V
OH
min=1.35V
SPI Chip Selection
signal
80
SPI_CLK DO
V
OL
max=0.45V
V
OH
min=1.35V
SPI clock signal
85~88
VBAT_RF PI
Vmax=4.3V
Vmin=3.4V
Vnorm=3.8V
RF power input
(3.4V~4.3V)
107
ANT_MAIN
AIO - Main antenna
127
ANT_DIV
AI - Diversity antenna
136
DBG_RXD DI
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
DEBUG serial port
receiving
137
DBG_TXD DO
V
OL
max=0.45V
V
OH
min=1.35V
DEBUG serial port
sending
138
GPIO_1 DIO
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
GPIO
139
GPIO_2 DIO
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
GPIO
140
USB_BOOT DI
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
Emergency download,
active low,
recommended to reserve
test point
143
OTG_PWR_EN* DO
V
OL
max=0.45V
V
OH
min=1.35V
OTG power enabling,
Reserved
144
SLEEP_IND DO
V
OL
max=0.45V
V
OH
min=1.35V
Sleep status indicator
145
COEX_UART_T
X*
DO
V
OL
max=0.45V
V
OH
min=1.35V
LTE/WLAN shared serial
port sending signal line,