RDA5991 DATASHEET
z Up-to 4Mbps high speed UART HCI z Low power consumption support z Minimum external component z Support AFH
z Build-In 3-wire WIFI Co-existence handshake signals
1.3 FM Features
z CMOS single-chip FM 9 Fully integrated on-chip loop filter receiver/transmitter z Autonomous search tuning z Low power consumption z Support 32.768KHz crystal oscillator 9 Total current consumption lower z Digital auto gain control (AGC) Digital than 20mA at 3.0V power supply adaptive noise cancellation z Support worldwide frequency band 9 Mono/stereo switch 9 50 -115 MHz 9 Soft mute z Support flexible channel spacing mode 9 High cut ¾ 100KHz, 200KHz, 50KHz and 25KHz z Programmable de-emphasis (50/75 μs) z Support RDS/RBDS z Receive signal strength indicator (RSSI) z Digital low-IF tuner z Bass boost
z Volume control 9 Image-reject down-converter
9 High performance A/D converter z Line-level analog output voltage 9 IF selectivity performed internally z I2C control bus interface
z Fully integrated digital frequency z Directly support 32 resistance loading synthesizer z Integrated LDO regulator 9 Fully integrated on-chip RF and IF 9 1.8 to 5.5 V operation voltage
VCO
1.4 Applications z z z z
Mobile handset MP3,MP4 and PMP PDA
Cordless phone