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CYRF69103

Document #: 001-07611 Rev *F

Page 3 of 68

4. Applications

The CYRF69103 PRoC LP is targeted for the following

applications:

■ Wireless HID devices:

❐ Mice

❐ Remote Controls

❐ Presenter tools

❐ Barcode scanners

❐ POS terminal

■ General purpose wireless applications:

❐ Industrial applications

❐ Home automation

❐ White goods

❐ Consumer electronics

❐ Toys

5. Functional Description

PRoC LP devices are integrated radio and microcontroller

functions in the same package to provide a dual-role single-chip

solution.

Communication between the microcontroller and the radio is

through the radio’s SPI interface.

6. Functional Overview

The CYRF69103 is a complete Radio System-on-Chip device,

providing a complete RF system solution with a single device and

a few discrete components. The CYRF69103 is designed to

implement low cost wireless systems operating in the worldwide

2.4 GHz Industrial, Scientific, and Medical (ISM) frequency band

(2.400 GHz to 2.4835 GHz).

6.1 2.4 GHz Radio Function

The SoC contains a 2.4 GHz 1 Mbps GFSK radio transceiver,

packet data buffering, packet framer, DSSS baseband controller,

Received Signal Strength Indication (RSSI), and SPI interface

for data transfer and device configuration.

The radio supports 98 discrete 1 MHz channels (regulations may

limit the use of some of these channels in certain jurisdictions).

DSSS

modes

the

baseband

performs

DSSS

spreading/despreading, while in GFSK Mode (1 Mb/s - GFSK)

the baseband performs Start of Frame (SOF), End of Frame

(EOF) detection, and CRC16 generation and checking. The

baseband may also be configured to automatically transmit

Acknowledge (ACK) handshake packets whenever a valid

packet is received.

When in receive mode, with packet framing enabled, the device

is always ready to receive data transmitted at any of the

supported bit rates, except SDR, enabling the implementation of

mixed-rate systems in which different devices use different data

rates. This also enables the implementation of dynamic data rate

systems, which use high data rates at shorter distances and/or

in a low moderate interference environment, and change to lower

data rates at longer distances and/or in high interference

environments.

The

radio

meets

the

following

worldwide

regulatory

requirements:

■ Europe:

❐ ETSI EN 301 489-1 V1.4.1

❐ ETSI EN 300 328-1 V1.3.1

■ North America:

❐ FCC CFR 47 Part 15

■ Japan:

❐ ARIB STD-T66

6.2 Data Transmission Modes

The radio supports four different data transmission modes:

■ In GFSK mode, data is transmitted at 1 Mbps, without any

DSSS

■ In 8DR mode, 1 byte is encoded in each PN code symbol

transmitted

■ In DDR mode, 2 bits are encoded in each PN code symbol

transmitted

■ In SDR mode, a single bit is encoded in each PN code symbol

transmitted

Both 64-chip and 32-chip data PN codes are supported. The four

data transmission modes apply to the data after the Start of

Packet (SOP). In particular, the packet length, data and CRC are

all sent in the same mode.

6.3 Microcontroller Function

The

MCU

function

8-bit

Flash-programmable

microcontroller. The instruction set is optimized specifically for

HID and a variety of other embedded applications.

The MCU function has up to 8 Kbytes of Flash for user’s code

and up to 256 bytes of RAM for stack space and user variables.

In addition, the MCU function includes a Watchdog timer, a

vectored interrupt controller, a 16-bit Free Running Timer, and

12-bit Programmable Interrupt Timer.

The microcontroller has 15 GPIO pins grouped into multiple

ports. With the exception of the four radio function GPIOs, each

GPIO port supports high impedance inputs, configurable pull up,

open drain output, CMOS/TTL inputs and CMOS output. Up to

two pins support programmable drive strength of up to 50 mA.

Additionally, each I/O pin can be used to generate a GPIO

interrupt to the microcontroller. Each GPIO port has its own GPIO

interrupt vector with the exception of GPIO Port 0. GPIO Port 0

has two dedicated pins that have independent interrupt vectors

(P0.3 - P0.4).

The microcontroller features an internal oscillator.

The PRoC LP includes a Watchdog timer, a vectored interrupt

controller, a 12-bit programmable interval timer with configurable

1 ms interrupt and a 16-bit free running timer.

In addition, the CYRF69103 IC has a Power Management Unit

(PMU), which enables direct connection of the device to any

battery voltage in the range 1.8V to 3.6V. The PMU conditions

the battery voltage to provide the supply voltages required by the

device and may supply external devices.

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