Arrow einfochips eragon 660 Hardware Referance Manual page 21

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Hardware Reference Manual
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Version 1.0
GND
LTE_MODEM_VBUS_EN
GND
GPIO_112
BLSP_UART_RX(1)
LTE_MODEM_POWER
BLSP_UART_TX(1)
GPIO_110
BLSP_UART_CTS_N(1)
GND
BLSP_UART_RFR_N(1)
LTE_MODEM_RING
GND
MODEM_POWER_EN
MI2S2_LTE_CLK
GPIO_108
MI2S2_LTE_DIN
LTE_MODEM_DTR
MI2S2_LTE_SYNC
GND
MI2S2_LTE_DOUT
GND
GND
Ground
LTE Modem Disable(#2) signal/
GPIO87
Ground
GPIO_112/LTE Modem Antenna
control(no. 0)
BLSP1 UART Receive/GPIO29
Modem Turn ON/OFF signal
BLSP1 UART Transmit/GPIO28
GPIO 110
BLSP1 UART CTS/GPIO30
Ground
BLSP1 UART TRTS/ GPIO31
Modem Dynamic power control
Ground
Can be used as GPIO_107.
MI2S(2) Clock signal
GPIO 108
MI2S (2) Data1 signal
For LED driver of Modem
MI2S word select
Ground
MI2S (2) Data out
Ground
Ground
- 24 -
-
1.8V
-
1.8V
1.8V
1.8V
1.8V
1.8V
1.8V
-
1.8V
1.8V
-
1.8V
1.8V
1.8V
1.8V
1.8V
1.8V
-
1.8V
-
-
eInfochips Confidential

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