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SIM5360_Hardware Design_V1.06
2016-11-17
41
3.11
SPI Interface
SPI interface of SIM5360 is master only. It provides a duplex, synchronous, serial communication link
with peripheral devices. Its operation voltage is 1.8V, with clock rates up to 26 MHz.
3.11.1
Pin Description
Table 22: Pin description
Table 23: Electronic characteristic
Symbol
Parameter
Min
Typ
Max
Unit
V
IH
High-level input voltage
1.26
1.8
2.1
V
V
IL
Low-level input voltage
-0.3
0
0.63
V
V
OH
High-level output voltage
1.35
-
1.8
V
V
OL
Low-level output voltage
0
0
0.45
V
3.12
GPIO Interface
SIM5360 provides a limited number of GPIO pins. All GPIOs can be configured as inputs or outputs. User
can use AT Commands to read or write GPIOs status. Refer to ATC document for details.
3.12.1
Pin Description
Table 24: Pin description
Pin name
Pin No.
Function
SPI_CS
9
SPI chip-select; not mandatory in a point-to-point connection
SPI_MISO
7
SPI master in/slave out data
SPI_CLK
6
SPI clock
SPI_MOSI
8
SPI master out/slave in data
Pin name
Pin No. I/O
Function
NETLIGHT/GPIO1
51
O
Output PIN as LED control for network status. If it is
unused, left open.
GPIO4
54
I
Input PIN as RF operating control.
H: Normal Mode L:Flight Mode
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