CMOSTEK CMT2310A - GPIO and Interrupt

CMT2310A
Rev 1.0E | Page30/50
www.cmostek.com
The state transition and state code information is shown in the figure below.
Figure 24. State Transition Diagram
5.4 GPIO and Interrupt
The CMT2310A has 7 GPIO ports（GPIO 0～GPIO 5 and NIRQ）.Each GPIO can be configured as input or output independently.
It also supports 3 interrupt ports, which can be configured to different GPIO outputs.
Table 17. CMT2310A GPIO
Pin #
Name
I/O
Function
23
GPIO 0
IO
Can be configured as: DOUT, INT 1, INT 2, INT 3, DCLK, TRX_SWT.
22
GPIO 1
IO
Can be configured as: DCLK, INT 1, INT 2, DOUT, TRX_SWT.
14
GPIO 2
IO
Can be configured as: INT 1, INT 2, INT 3, DCLK, DOUT, ANTD 1.
13
GPIO 3
IO
Can be configured as: INT 1, INT 2, DCLK, DOUT, DIN, ANTD 2.
7
GPIO 4
IO
Can be configured as: DOUT, INT 1, INT 2, DCLK, DIN, CLKO, LFCLKO.
8
GPIO 5
IO
Can be configured as: RSTn, INT 1, INT 2, DOUT, DCLK.
21
NIRQ
IO
Can be configured as: INT 1, INT 2, DCLK, DOUT, DIN, TCXO.