AT86RF230_09 ATMEL [ATMEL Corporation], AT86RF230_09 Datasheet - Page 7
AT86RF230_09
Manufacturer Part Number
AT86RF230_09
Description
Low Power 2.4 GHz Transceiver for ZigBee, IEEE 802.15.4, 6LoWPAN, RF4CE and ISM
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT86RF230_09.pdf
(98 pages)
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4.3.2 Pull-up and Pull-down Configuration of Digital Input Pins
4.3.3 Register Description
5131E-MCU Wireless-02/09
Bit
0x03
Read/Write
Reset value
Bit
0x03
Read/Write
Reset value
Pulling resistors are internally connected to all digital input pins in radio transceiver
state P_ON (see section 7.1.2). Table 4-4 summarizes the pull-up and pull-down
configuration.
Table 4-4 Pull-Up/Pull-Down Configuration of Digital Input Pins in P_ON State
In all other radio transceiver states, no pull-up or pull-down resistors are connected to
any of the digital input pins.
Register 0x03 (TRX_CTRL_0)
The TRX_CTRL_0 register controls the drive current of the digital output pads and the
CLKM clock rate.
• Bit [7:6] – PAD_IO
The register bits PAD_IO set the output driver current of digital output pads MISO and
IRQ.
Table 4-5. Digital Output Driver Strength
• Bit [5:6] – PAD_IO_CLKM
The register bits PAD_IO_CLKM set the output driver current of pin CLKM.
Register Bit
PAD_IO
Notes:
CLKM_SHA_SEL
1. Reset values of register bits are underlined characterized in the document.
R/W
R/W
7
0
3
1
SLP_TR
Value
SCLK
MOSI
RST
SEL
Pin
PAD_IO
0
1
2
3
(1)
R/W
R/W
6
0
2
0
Description
2 mA
4 mA
6 mA
8 mA
CLKM_CTRL
R/W
R/W
5
0
1
0
PAD_IO_CLKM
H ≙ pull-up, L ≙ pull-down
R/W
R/W
AT86RF230
4
1
0
1
H
H
L
L
L
TRX_CTRL_0
TRX_CTRL_0
7
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