Pioneer XC-IS21MD Service Manual page 74

XC-IS21MD
No. Name I/O
32 RAA4 Address output to external D-RAM; ADR4
| | O
36 RAA8 Address output to external D-RAM; ADR8
37 RAOEX O Data output enable signal output to external D-
RAM
38 DGND – Digital GND
39 RACASX O Column address strobe signal output to external
D-RAM
40 RAD2 I/O External D–RAM and data input/output; D2
41 RAD3 I/O External D-RAM and data input/output; D3 (MSB)
42 RAA9 O Address output to external D-RAM; ADR9
43 RARASX O Low address strobe signal output to external D-
RAM
44 RAWEX O Data write enable signal output to external D-
RAM
45 RAD1 I/O External D-RAM and data input/output; D1
46 RAD0 I/O External D-RAM and data input/output; D0 (LSB)
∗
47 TCRS O Track cross signal
∗
48 ACRCER O ADIP CRC error flag monitor output
∗
49 PLCK O EFM PLL clock output during Play
50 EFM0 O EFM signal output during Record; C1F (C1 error
flag) monitor output during Play.
∗
51 X700KO O Clock output; f = 705.6kHz; clock is not output
when RSTX = 0.
∗
52 EXPORT0 O Microcomputer extension output port 0
∗
53 EXPORT1 O Microcomputer extension output port 1
54 TESO1 O Microcomputer extension output port 2 during
PLLLR changeover
55 TEST3 I/O Microcomputer extension output port 3 during
PLLOSC changeover
56 TEST4 I/O Microcomputer extension output port 4 during
EXTCLK changeover
57 CDDATA I/O CD data input for high-speed dubbing; micro-
computer extension port 5 during changeover
58 CDLRCK I/O CD LR clock input for high-speed dubbing;
microcomputer extension port 6 during
changeover
59 CDBCLK I/O CD bit clock input for high-speed dubbing;
microcomputer extension port 7 during
changeover
60 VXI I PLL clock input for varying pitch
∗
61 VPO O PLL phase error input for varying pitch
62 VDD1 – Digital power supply
63 DGND – Digital GND
64 XI I
Oscillation circuit input; 33.8688MHz
65 XO O
74
Description
|
No. Name I/O
66 DIN I Digital input signal
67 DOUT O Digital output signal
68 VDD3 – Power supply for internal PLL
69 DGND – Digital GND
70 LRCK O Music data Lch/Rch changeover output
71 BCLK O Music data shift lock
72 DFCK O Clock for AD/DA converter digital filter; 256fs
73 ADDATA I Audio data input
74 DADATA O Audio data output
∗
75 FEMON O Focus error signal monitor output
∗
76 TOTMON O Total signal monitor output
∗
77 TEMON O Tracking error signal monitor output
∗
78 SBCK I DIN sub code readout clock; EIAJ CP-309 format
∗
79 SBO O DIN sub code serial data; EIAJ CP-309 format
∗
80 SBSY O DIN sub code block synchronization signal;
EIAJ CP-309 format
∗
81 SFSY O DIN sub code frame synchronization signal;
EIAJ CP-309 format
82 FOK O Focus OK detection signal; "0": Focus OK
83 SENSE O Servo status detection signal; "1": Auto Move/
Auto Jump/Auto Focus lead-in in progress
84 COUT O Track cross signal output
85 MCCK O Clock output for microcomputer; clock is output
even when RSTX = 0.
86 DINTX O Interrupt Request output signal for system
computer interface
87 VDD1 – Digital power supply
88 DGND – Digital GND
89 RSTX I Tip reset input; reset with L (NOTE)
90 SYD0 I/O System computer interface data bus terminal;
(LSB)
91 SYD1
| | I/O System computer interface data bus terminal
96 SYD6
97 SYD7 I/O System computer interface data bus terminal;
(MSB)
98 SYWRX I System computer interface register write pulse
input
99 SYRDX I System computer interface register read pulse
input
100 SYRS I System computer interface register select input
Terminals denoted with an asterisk (*) are (Open) terminals that are
not externally connected.
NOTE) Set RSTX to "L" when the power is being turned ON or after
it has been turned ON.
Description