Pioneer PDR-04 - Manual (Page 84)

PDR-04
■ PD4785A (SERVO UCOM BOARD ASSY : IC351)
Mode Control Microcomputer
(1) Pin Function
Pin No. Mark Name I/O Initial Function
1 FIP6 GRID 6 0 L FL grid output 5
2 FIP5 GRID 5 0 L FL grid output 6
3 FIP4 GRID 4 0 L FL grid output 7
4 FIP3 GRID3 0 L FL grid output 8
5 FIP2 GRID 2 0 L FL grid output 9
6 FIP1 GRID 1 0 L FL grid output 10
7 FIFO GRIDO 0 L FL grid output 11
8 VDD VDD 0 L Connected to VDD
9 SCKO RSCK 0 H Serial clock for JIG communication
10 SOO RSO 0 L Serial output for JIG communication
11 SIO RSI 1 U Serial input for JIG communicatiion
12 P24 XTAL 0 L XTAL ON/OFF (L: No FS model and at digital selection only)
13 P23 XEVCO 0 L Encoder VCO ON/OFF (at CD = H)
14 SCK1 FSCK I/O H Mechanism controller, LSI serial clock
15 SOI FSO 0 L Mechanism controller, serial output
16 SI FSI 1 - Mechanism controller, serial input
17 RESET XRESET 0 L Mode controller reset input
18 P74 LED4 0 H Standby LED (L: ON)
19 P73 LED5 0 H Display ON/OFF LED (L: ON)
20 AVSS GND 1 - Connected to GND
21 P17 XFUSE 0 H Between mode controller and LC89585 serial communication currently used (L)
22 P16 - 0 L Not used
23 P15
xvco
0 H PLL ON/OFF (No FS model and at digital selection ; L (PLL oscillation)
24 PI 4 XTALOFF
о
L XTAL ON (L), OFF (H)
25 P13 XEMP 0 H Emphasis control L; deemphasis
26 P12 XRST 0 L Mechanism controller, ATIP decoder reset H : Release reset
27 P11 XOPT 0 L Optical input selection (at optical input selection (DIGITAL1)= L)
28 P10 _
о
L Not used
29 AVDD VDD -
Connect to VDD
30 AVREF VDD - -
31 P04 MODE 1 —
Not used L: Fixed
32 XT2 _ 0 — Not used
33 VSS GND — - Connected to GND
34 XI _ 1 —
System oscillation 4.19MHz
35 X2 _ 0 -
36 P37 SW1 1 L Demo mode ON/OFF L: DEMO display
37 P36 DIN_SEL 1 — Digital input 1/2 selection (H;2)
38 P35 FS_SW 1 — FS converter present/absent selection (H; present)
39 P34 TIM_SW 1 — Timer play selection (H: certainly peform the timer play at power ON)
40 P33 DIP4 0 L Not used
Note) U: Pull-up, D: Pull-down
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