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SN250 Datasheet(PDF) 54 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) 54 Page - STMicroelectronics

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Functional description—application modules
SN250
54/130
7.2.4
Registers
SC1_MODE [0x44AA]
SC1_DATA [0x449E]
SC1_UARTPER [0x44B4]
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
SC1_MODE
0-R
7
0-R
6
0-R
5
0-R
4
0-R
3
0-R
2
0-RW
1
0-RW
0
SC1_MODE
[1:0]
SC1 Mode: 0 = disabled; 1 = UART mode; 2 = SPI mode; 3 = I2C mode.
Note To change between modes, the previous mode must be disabled first.
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
SC1_DATA
0-RW
7
0-RW
6
0-RW
5
0-RW
4
0-RW
3
0-RW
2
0-RW
1
0-RW
0
SC1_DATA
[7:0]
Transmit and receive data register. Writing to this register pushes a byte onto the
transmit FIFO. Reading from this register pulls a byte from the receive FIFO.
15
0-RW
14
0-RW
13
0-RW
12
0-RW
11
0-RW
10
0-RW
9
0-RW
8
0-RW
SC1_UARTPER
SC1_UARTPER
0-RW
7
0-RW
6
0-RW
5
0-RW
4
0-RW
3
0-RW
2
0-RW
1
0-RW
0
SC1_UARTPER
[15:0]
The baud rate period (N) of the clock rate as seen in the equation:
Rate
24MHz
2N
0.5 F
⋅
()
+
()
⋅
--------------------------------------------
=



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