User's Manual

CT-EM2506 ZigBee Ready RF Transceiver Modules
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10
GROUND GND Ground
11
GROUND GND Ground
12
GROUND GND Ground
13
IDLE_EN I
Enable the FEM in deep sleep mode , Active high, in other state, set it
in low level
14
V
BRD PI Power Supply Input
15
RSTB DI Reset, active low
16
GPIO11 DI/DO
General Purpose Digital I/O, SC1 UART CTS, SC1 SPI master clock,
or Capture Input A of Timer 2
17
GPIO12 DI/DO
General Purpose Digital I/O, SC1 UART RTS, or Capture Input B of
Timer 2
18
GPIO0 DI/DO
General Purpose Digital I/O, SC2 SPI MOSI, or Capture Input A of
Timer 1
19 GPIO1 DI/DO
General Purpose Digital I/O, SC2 SPI MISO, SC2 I
2C SDA,
or Capture Input A of Timer 2
20 GPIO2 DI/DO
General Purpose Digital I/O, SC2 SPI master clock, SC2 I
2C SCL, or
Capture Input B of Timer 2
21 GPIO3 DI/DO
General Purpose Digital I/O, SC2 SPI slave select, or Capture Input B
of Timer 1
22 GPIO4 DI/DO/AI General Purpose Digital I/O, ADC Input 0, or PTI frame signal
23 GPIO5 DI/DO/AI General Purpose Digital I/O, ADC Input 1, or PTI data signal
24 GPIO6 DI/DO/AI
General Purpose Digital I/O, ADC Input 2, Timer 2 Clock Input, or
Timer 1 Enable
25 GPIO7 DI/DO/AI
General Purpose Digital I/O, ADC Input 3, Timer 2 Clock Input,
External regulator open collector output
26 GPIO8 DI/DO/AO
General Purpose Digital I/O, ADC Reference Output, Timer 1 Clock
Input, Timer 2 Enable, or Source A Interrupt
27 GPIO9 DI/DO
General Purpose Digital I/O, SC1 TXD, SC1 MO, SC1 I
2C Data,
or Capture Input A of Timer 1
28 GPIO10 DI/DO
General Purpose Digital I/O, SC1 RXD, SC1 MI, SC1 I
2C Clock,
or Capture Input B of Timer 1