PD17012GF-058_15 Datasheet, PDF (7/94 Pages) Renesas Technology Corp – PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LW TUNER (AUTOMOBILE APPLICATION)

CONTENTS
µPD17012GF-058
1. PIN FUNCTIONS ........................................................................................................................ 7
2. KEY MATRIX STRUCTURE ...................................................................................................... 14
2.1 Placement of the Initial Setting Diode, Alternation, and Transistor Switch Matrixes ........... 14
2.2 Switch Connection ........................................................................................................................... 14
2.3 Initial Setting Diode, Alternation, and Transistor Switch Matrix Connection ......................... 15
2.4 Momentary Key Matrix Placement ................................................................................................. 16
2.5 Momentary Key Matrix Connection ............................................................................................... 16
2.6 Description of the Key Matrixes .................................................................................................... 17
2.6.1 Initial setting diode matrixes ............................................................................................ 17
2.6.2 Alternation or transistor switch ....................................................................................... 28
2.6.3 Momentary keys ................................................................................................................. 29
3. ALARM FUNCTION .................................................................................................................... 52
3.1 Overview of the Alarm Function .................................................................................................... 52
3.2 Setting Alarm Mode ......................................................................................................................... 53
4. MODE TRANSITION .................................................................................................................. 59
5. DISPLAY ..................................................................................................................................... 66
5.1 LCD Panel ......................................................................................................................................... 66
5.2 Character Style ................................................................................................................................. 66
5.3 Examples of Display ........................................................................................................................ 66
5.4 LCD Assignment .............................................................................................................................. 67
5.5 Pin Assignment of the LCD Controller/Driver (µPD7225) .......................................................... 67
5.6 Description of Display ..................................................................................................................... 68
6. REMOTE CONTROL FUNCTION .............................................................................................. 70
6.1 Remote-Controller Key Placement (When the µPD6121G Is Used) .......................................... 70
6.2 Remote-Controller Keys .................................................................................................................. 71
6.3 Remote-Controller Data Codes ...................................................................................................... 71
6.4 Example of a Remote-Controller Circuit Using the µPD6121G-001 .......................................... 72
6.5 Example of a Remote-Controller Preamplifier Circuit Using the µPC2800HA ........................ 72
7. MUTE OUTPUT TIMING CHARTS ............................................................................................ 73
7.1 Radio Mute (RDMUTE Pin) Output Timing Charts ...................................................................... 73
7.2 Radio Mute (RDMUTE Pin) and Audio Mute (AMUTE Pin) Output Timing Charts .................. 76
8. PIN I/O CIRCUITS ...................................................................................................................... 78
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