PD17012GF-055_15 Datasheet, PDF (7/84 Pages) Renesas Technology Corp – SINGLE-CHIP MICROCONTROLLER WITH ON-CHIP PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR CAR-MOUNTED FM/MW/LW RADIO

µPD17012GF-055
CONTENTS
1. PIN FUNCTIONS ................................................................................................................................. 7
2. KEY MATRIX CONFIGURATION ..................................................................................................... 12
2.1 Allocation of Initialize Diode Matrix ...................................................................................... 12
2.2 Connection of Initialize Diode Matrix ................................................................................... 12
2.3 Allocation of Momentary Key Matrix .................................................................................... 13
2.4 Description of Key Matrix ....................................................................................................... 14
2.4.1 Initialize diode matrix ..................................................................................................................... 14
2.4.2 Momentary key ............................................................................................................................... 18
3. MODE TRANSITIONS ....................................................................................................................... 28
4. DATA OUTPUT TO LCD CONTROLLER/DRIVER (µPD16431A) .................................................. 29
4.1 Data Input/Output Timing ....................................................................................................... 30
5. RDS (Radio Data System) FUNCTION ........................................................................................... 33
5.1 RDS Data Incorporation .......................................................................................................... 33
5.2 RDS Data Processing .............................................................................................................. 34
5.2.1 PI (Program Identification) ............................................................................................................. 34
5.2.2 PS (Program Service Name) ......................................................................................................... 35
5.2.3 PTY (Program Type) ...................................................................................................................... 35
5.2.4 AF (Alternative Frequency) ............................................................................................................ 35
5.2.5 TP (Traffic Program Identification), TA (Traffic Announcement Identification) ........................... 40
6. MUTE TIMING .................................................................................................................................... 41
6.1 Tuner Operation ....................................................................................................................... 41
6.1.1 Preset memory reading .................................................................................................................. 41
6.1.2 Preset scan ..................................................................................................................................... 44
6.1.3 Preset memory writing ................................................................................................................... 44
6.1.4 Seek up/down ................................................................................................................................. 46
6.1.5 Manual up/down ............................................................................................................................. 49
6.1.6 Auto store memory ......................................................................................................................... 50
6.1.7 AF switchover ................................................................................................................................. 51
6.2 Mode Switchover ..................................................................................................................... 54
6.2.1 RADIO mode ↔ TAPE/CD mode .................................................................................................. 54
6.2.2 Traffic information broadcasting/PTY alarm ↔ TAPE/CD mode (TP/SK mode) ........................ 55
6.3 CE Pin ....................................................................................................................................... 55
6.3.1 Low level → high level ................................................................................................................... 55
6.3.2 High level → low level .................................................................................................................... 55
6.4 Detecting the Detachable Panel ............................................................................................ 56
6.5 Power Control .......................................................................................................................... 57
6.5.1 Timing of POWER ON ↔ OFF transitions by POWER key ................................................ 57
6.5.2 Timing of POWER ON ↔ POWER OFF transitions by detachable panel .................................. 58
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