CC2520 Datasheet, PDF (115/134 Pages) Texas Instruments – 2.4 GHZ IEEE 802.15.4/ZIGBEE® RF TRANSCEIVER

CC2520 DATASHEET
2.4 GHZ IEEE 802.15.4/ZIGBEE® RF TRANSCEIVER
SWRS068 – DECEMBER 2007
EXCBINDY0, A 0x01E, R 0x00, Exception binding channel Y
Bit
Bit mnemonic
no.
7:4
RESERVED
3:0
INSTRUCTIONY
Reset
value
0x0
0x0
Mode
R0
R/W
Description
Read as zero
Instruction for channel Y
Instruction number to bind to exception. See documentation for
GPIO configuration for list over possible instructions that can be
bound.
EXCBINDY1, A 0x01F, R 0x12, Exception binding channel Y
Bit
Bit mnemonic
no.
7
BINDY_EN
6:5
RESERVED
4:0
EXCEPTIONY
Reset
value
0
0
0x12
Mode
R/W
R0
R/W
Description
Defines whether exception binding for channel Y is enabled or not.
0: Binding disabled.
1: Binding enabled. Whenever the exception given by
EXCEPTIONY occurs the instruction given by INSTRUCTIONY is
executed.
Read as zero
Exception for channel Y
Exception number to bind to an instruction. Se table in Exception
overview for valid configurations
GPIOCTRL0, A 0x020, R 0x00, Control GPIO0
Bit
Bit mnemonic
no.
7
IN0
6:0
CTRL0
Reset
value
0
0x00
Mode
R/W
R/W
Description
Defines whether GPIO0 is an input or output. Must be set as input
when using analog test functionality.
0 - GPIO0 is output
1 - GPIO0 is input
GPIO0 Configuration
When output: mux selector. See GPIO description for table over all
possible signals that can be set as output to the pin.
When input: 4 LSBs chose one of 16 instructions to be triggered
on the active edge of this GPIO input line. Values above 0x0F
have no effect.
GPIOCTRL1, A 0x021, R 0x27, Control GPIO1
Bit
Bit mnemonic
no.
7
IN1
6:0
CTRL1
Reset
value
0
0x27
Mode
R/W
R/W
Description
Defines whether GPIO1 is an input or output. Must be set as input
when using analog test functionality.
0 - GPIO1 is output
1 - GPIO1 is input
GPIO1 configuration.
For details, see GPIOCTRL0 register
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