MC13202_0812 Datasheet, PDF (15/30 Pages) Freescale Semiconductor, Inc – 2.4 GHz Low Power Transceiver for the IEEE® 802.15.4 Standard

7 Pin Connections
Table 8. Pin Function Description
Pin # Pin Name
Type
Description
Functionality
1 RFIN_M
2 RFIN_P
3 CT_Bias
4 NC
5 PAO_P
6 PAO_M
7 SM
8 GPIO4¹
9 GPIO3¹
10 GPIO2¹
11 GPIO1¹
12 RST
RF Input
RF input/output negative.
When used with internal T/R switch, this is
a bi-directional RF port for the internal LNA
and PA
RF Input
RF input/output positive.
When used with internal T/R switch, this is
a bi-directional RF port for the internal LNA
and PA
Control voltage
Bias voltage/control signal for external When used with internal T/R switch,
RF components
provides RX ground reference and TX
VDDA reference for use with external
balun. Can also be used as a control signal
for external LNA, PA, or T/R switch.
Tie to Ground.
RF Output /DC Input RF Power Amplifier Output Positive.
Open drain. Connect to VDDA through a
bias network when used with an external
balun. Not used when internal T/R switch is
used.
RF Output/DC Input
RF Power Amplifier Output Negative.
Open drain. Connect to VDDA through a
bias network when used with an external
balun. Not used when internal T/R switch is
used.
Input
Test mode pin.
Must be grounded for normal operation.
Digital Input/ Output General Purpose Input/Output 4.
See Footnote 1
Digital Input/ Output General Purpose Input/Output 3.
See Footnote 1
Digital Input/ Output
General Purpose Input/Output 2.
When gpio_alt_en, Register 9, Bit 7 =
1, GPIO2 functions as a “CRC Valid”
indicator.
See Footnote 1
Digital Input/ Output
General Purpose Input/Output 1.
When gpio_alt_en, Register 9, Bit 7 =
1, GPIO1 functions as an “Out of Idle”
indicator.
See Footnote 1
Digital Input
Active Low Reset. While held low, the
IC is in Off Mode and all internal
information is lost from RAM and SPI
registers. When high, IC goes to IDLE
Mode, with SPI in default state.
MC13202 Technical Data, Rev. 1.5
Freescale Semiconductor
15