6-7. IC PIN FUNCTION DESCRIPTION
MAIN BOARD IC501 |
| ||||||||
Pin No. | Pin Name | I/O | Function | ||||||
1 |
|
|
| DSEL | I | Destination setting pin | |||
2 |
|
| RC_IN0 | I | Rotary remote commander input pin (A/D input) | ||||
|
|
|
|
|
|
|
|
|
|
3 |
|
| SD_IN | I | Station detection signal input | ||||
|
|
|
|
|
|
|
|
|
|
4 |
|
|
| AVSS | — | GND | |||
5 |
|
|
| ST | I/O | Stereo detection signal input and forced monaural signal output pin | |||
|
|
|
|
|
|
|
|
|
|
6 |
|
| PLLCE | O | PLL chip enable output pin | ||||
|
|
|
|
|
|
|
|
|
|
7 |
| AVREF1 | I | A/D reference voltage input pin | |||||
8 |
|
| PLLSI | I | PLL data input pin | ||||
|
|
|
|
|
|
|
|
|
|
9 |
|
| PLLSO | O | PLL data output pin | ||||
|
|
|
|
|
|
|
|
|
|
10 |
| PLLCKO | O | PLL clock output pin | |||||
11 |
|
| P.ST_IN | I | Polar stereo input pin | ||||
|
|
|
|
|
|
|
|
|
|
12 |
|
| LCDSO | O | LCD data output pin | ||||
|
|
|
|
|
|
|
|
|
|
13 | LCDCKO | O | LCD clock output pin | ||||||
14 |
|
| LCDCE | O | LCD chip enable output pin | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
15 |
| LCDINH | O | LCD blank indication control pin | |||||
|
|
|
|
|
|
|
|
|
|
16 |
|
| UNISI | I | Data input pin (for SONY BUS) | ||||
17 |
|
| UNISO | O | Data output pin (for SONY BUS) | ||||
|
|
|
|
|
|
|
|
|
|
18 |
| UNICKI | I | Clock input pin (for SONY BUS) | |||||
|
|
|
|
|
|
|
|
|
|
19 |
| UNICKO | O | Clock output pin (for SONY BUS) | |||||
|
|
|
|
|
|
|
|
| |
20 |
|
| BUSON | O | BUS ON control signal output pin (for SONY BUS) | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
21 |
| SYSRST | O | System reset signal output pin | |||||
|
|
|
|
|
|
|
|
|
|
22 |
| AMPON | O | Power amp power supply control pin | |||||
23 | AMP_MUT | O | Power amp muting control pin. At muting: “L” | ||||||
|
|
|
|
|
|
|
|
|
|
24 |
| TUNON | O | Tape power supply control pin | |||||
|
|
|
|
|
|
|
|
|
|
25 |
|
| FM_ON | O | FM power supply control pin | ||||
26 |
|
| PW_ON | O | System power supply control pin | ||||
|
|
|
|
|
|
|
|
|
|
27 |
|
| COLOR | I/O | Illumination color selection input/output pin | ||||
|
|
|
|
|
|
|
|
| At initial mode: valid/invalid selection input of color select function |
|
|
|
|
|
|
|
|
| At normal mode: color selection output |
|
|
|
|
|
|
|
| ||
28 |
| AMSON | I | Tape AMS control pin. At AMS: “L” | |||||
29 |
|
|
| REL | I | Reel table rotation detection pin | |||
|
|
|
|
|
|
|
|
|
|
30 |
|
| MTLIN | I | AUTO METAL detection pin. “L”: METAL | ||||
|
|
|
|
|
|
|
|
|
|
31, 32 | POS3, POS2 | I | Tape position control pin | ||||||
|
|
|
|
|
|
|
|
|
|
33 |
|
|
| GND | — | GND | |||
|
|
|
|
|
|
|
|
|
|
34, 35 | POS0, POS1 | I | Tape position control pin | ||||||
|
|
|
|
|
|
|
|
|
|
36 | LM_LOD | O | Loading motor control pin (loading direction) | ||||||
|
|
|
|
|
|
|
|
|
|
37 |
|
| LM_EJ | O | Loading motor control pin (eject direction) | ||||
|
|
|
|
|
|
|
|
|
|
38 | N/R_OUT | O | Forward/reverse control pin | ||||||
|
|
|
|
|
|
|
|
|
|
39 |
|
|
| P.ON | O | Polar stereo detection output pin. At polar stereo on: “H” | |||
|
|
|
|
|
|
|
|
|
|
40 |
| CM_ON | O | Capstan motor control pin | |||||
|
|
|
|
|
|
|
|
|
|
41 |
|
| TAPON | O | Tape power supply control pin | ||||
42 |
| COLSEL | I | Illumination color setting pin. “L”: amber, “H”: green | |||||
43 |
|
| RC_IN1 | I | Rotary remote commander input pin (A/D input) | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
44 |
|
|
| TEST | I | Test mode setting pin | |||
|
|
|
|
|
|
|
|
|
|
– 39 –