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SN250 Datasheet(PDF) 39 Page - STMicroelectronics

Part # SN250
Description  Single-chip ZigBee/802.15.4 solution
PDF  130 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SN250 Datasheet(HTML) 39 Page - STMicroelectronics

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SN250
Functional description—application modules
39/130
GPIO_DIRSETL [0x471A]
GPIO_DIRCLRH [0x471C]
GPIO_DIRCLRL [0x471E]
15
0-W
14
0-W
13
0-W
12
0-W
11
0-W
10
0-W
9
0-W
8
0-W
GPIO_DIRSETL
GPIO_DIRSETL
0-W
7
0-W
6
0-W
5
0-W
4
0-W
3
0-W
2
0-W
1
0-W
0
GPIO_DIRSETL
[15:0]
Set the output enable of GPIO[15:0] pins. Only writing ones into this register will have
an effect. Any bit that has one written to it will cause the corresponding bit in
GPIO_DIRL
to become 1.
15
0-R
14
0-R
13
0-R
12
0-R
11
0-R
10
0-R
9
0-R
8
0-R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
GPIO_
DIRCLRH
0-R
7
0-R
6
0-R
5
0-R
4
0-R
3
0-R
2
0-R
1
0-W
0
GPIO_DIRCLRH
[0]
Clear the output enable of GPIO[16] pin. Only writing ones into this register will have
an effect. Any bit that has one written to it will cause the corresponding bit in
GPIO_DIRH
to become 0.
15
0-W
14
0-W
13
0-W
12
0-W
11
0-W
10
0-W
9
0-W
8
0-W
GPIO_DIRCLRL
GPIO_DIRCLRL
0-W
7
0-W
6
0-W
5
0-W
4
0-W
3
0-W
2
0-W
1
0-W
0
GPIO_DIRCLRL
[15:0]
Clear the output enable of GPIO[15:0] pins. Only writing ones into this register will
have an effect. Any bit that has one written to it will cause the corresponding bit in
GPIO_DIRL
to become 0.



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