Arrow einfochips eragon 660 Hardware Referance Manual page 28

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Hardware Reference Manual
J18.83
J17.83
GND
J18.84
J17.84
BLSP1_SPI_CS_N_NFC
J18.85
J17.85
3.7V_LOAD_REG
J18.86
J17.86
BLSP1_SPI_CLK_NFC
J18.87
J17.87
3.7V_LOAD_REG
J18.88
J17.88
GND
J18.89
J17.89
3.7V_LOAD_REG
J18.90
J17.90
LNBBCLK3
J18.91
J17.91
3.7V_LOAD_REG
J18.92
J17.92
GND
J18.93
J17.93
3.7V_LOAD_REG
J18.94
J17.94
GPIO_12_NFC_IRQ
J18.95
J17.95
3.7V_LOAD_REG
J18.96
J17.96
NFC_CLK_REQ
J18.97
J17.97
3.7V_LOAD_REG
J18.98
J17.98
VDD_NFC_OUT_1
J18.99
J17.99
GND
J18.100
J17.100
GND
Version 1.0
Ground
BLSP1 - SPI chip select signal
3.7V Supply from SBC
(Battery/Input Power Supply)
BLSP1- SPI clock signal
3.7V Supply from SBC
(Battery/Input Power Supply)
Ground
3.7V Supply from SBC
(Battery/Input Power Supply)
19.2Mhz clock output
3.7V Supply from SBC
(Battery/Input Power Supply)
Ground
3.7V Supply from SBC
(Battery/Input Power Supply)
GPIO 12/ NFC Interrupt
3.7V Supply from SBC
(Battery/Input Power Supply)
PM660L-GPIO 04/NFC clock
request from NFC IC.
3.7V Supply from SBC
(Battery/Input Power Supply)
NC
Ground
Ground
Table 8 : Connector J18 pin details
- 31 -
-
1.8V
3.5V-4.2V
1.8V
3.5V-4.2V
-
3.5V-4.2V
-
3.5V-4.2V
-
3.5V-4.2V
1.8V
3.5V-4.2V
1.8V
3.5V-4.2V
-
-
-
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