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8-2 Port Description of Sub Microcomputer : uPD784224K506 (X08,IC43)
Port No.
Port Name
1
ERF
2
FS96 DET
3
AUTO
4
AVSS
5
DIR PD
6
DIR CS
7
AVREF
8
DIR DIN
9
DIR DOUT
10
DIR CLK
11
D MUTE
12
DAC PD
13
DAC 96K
14
DAC MUTE
15
ADC RST
16
MDT
17
SDT
18
MCK
TE
19
MREQ
L 13942296513
20
SREQ
21
REC 6dB
22~24
DSEL A~C
25
DSP POWER
26
DSP RESET
27~32
DSP D0~D5
33
VSS
34,35
DSP D6,7
36
DSP REQ
37
DSP ACK
38
DSP BUSY
39
DSP WRT
40
DTS DET
41
PCM ZERO
42
HDCD DET
43
HDCD 6dB DET
44
OVER LEVEL
45
PCM MUTE
46
DRIVE
47
SUB MUTE
48~50
C ROOMB(C/B/A)
51,52
YC SEL(B, A)
www
53~59
C ROOMA(A~G)
60
RESET
61
YC MUTE
62
FSC CTRL
.
63
VSEL
64
CTRL A2
65
CTRL B
66
CTRL A
CIRCUIT DESCRIPTION
I/O
I
D.I.R. (X08, IC6) error flag.
I
96KHz fs detection. H : fs>88.1kHz detection
I
Non-PCM detection. H : Non-PCM detection
-
GND
Power down for D.I.R. (X08, IC6).
O
L : DIR power down and reset
O
Chip select for D.I.R. (X08, IC6). L : Chip selection
-
Reference voltage.
I
Data input from D.I.R. (X08, IC6).
O
Data output for D.I.R. (X08, IC6).
O
Clock output for D.I.R. (X08, IC6).
O
Mute signal output for D.I.R. (X08, IC6).
O
Power down for D/A converter (X08, IC11/14/17/20).
Double speed sampling mode for D/A converter speed mode
O
(X08, IC11/14/17/20). H : Double
Mute signal output for D/A converter
O
(X08, IC11/14/17/20).
O
Reset signal output for A/D converter (X08, IC7).
I
Main microcomputer master data.
O
Sub microcomputer data output.
I
Main microcomputer control data clock
I
Main microcomputer master request.
O
Main microcomputer slabe request.
O
Rec gain control when HDCD +6dB.
O
Control port for digital input selector (A~C).
O
Power supply for DSP/DAC/ADC/DIR.
O
Reset signal output for DSP.
I/O DSP control data.
-
GND
I/O DSP control data.
O
DSP communication request.
I
Input port of command data reading from DSP.
I
DSP status busy.
O
DSP Write
I
DSP DTS detection.
I
PCM zero data detection.
I
DSP HDCD sync. Detection.
I
DSP HDCD +6dB detection. (KPCM)
I
DSP over level detection.
O
DSP mute control (PCM).
O
DSP D.R.I.V.E. /HDCD control (PCM).
O
Sub microcomputer analog mute.
O
Zone B video selector control.
O
Zone A video selector control.
O
Zone A video selector control.
I
Reset signal input.
x
ao
u163
y
O
Zone A video selector (Y/C) mute control.
O
Zone A video selector FSC control.
i
O
Zone A video selector control.
O
Zone A video selector control A2.
O
Zone A video selector control B.
O
Zone A video selector control A.
KRF-X9995D/X9995D-S/VR-5700/5900
2 9
8
Function
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
ACTIVE
H
Data mute
Power
Mute
Reset
0 5
8
2 9
9 4
2 8
+6dB on
Request
Busy
Data write
Data read
DTS
PCM 0
HDCD
+6dB
Over level
D.R.I.V.E/
HDCD ON
Mute on
m
9 9
L
down
9 9
Ack.
Fixed
11
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