RD-HD5MD/HD7
13
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Pin Description
Active
H
L
77
CSEL
I
Designation of oscillation frequency.
H : f = 33.8688MHz L : f = 16.9344MHz
78
PSEL
I
Test pin (Normal : L ) when IOSEL is H.
SRDATA input when IOSEL is L.
SMCK output when IOSEL is H. Switching pin of frequency.
79
MSEL
I
H : SMCK = 8.4672MHz L : SMCK = 4.2336MHz
LRCK input when IOSEL is L.
H : Lch data, L : Rch data SMCK = 4.2336MHz (Fixed)
SUBQ output mode switching pin when IOSEL is H.
80
SSEL
I
H : Q code buffer use mode L : CLDCK synchronism mode
BCLK input when IOSEL is L.
Q code buffer use mode
Pin No.
Pin Name
I/O
Description
1
BCK
I
Audio data bit clock input.
2
DATA
I
Audio data digital input.
3
LRCK
I
Audio data latch enable input.
4
DGND
-
Digital ground.
5
VDD
-
Digital power supply (+3.3V).
6
VCC
-
Analog power supply (+5V).
7
VOUTL
O
Analog output for L-channel.
8
VOUTR
O
Analog output for R-channel.
9
AGND
-
Analog ground.
10
VCOM
-
Common voltage decoupling.
11
ZEROR
O
Zero flag output for R-channel.
12
ZEROL
O
Zero flag output for L-channel.
13
MD
I
Mode control data input.
14
MC
I
Mode control clock input.
15
ML
I
Mode control latch input.
16
SCK
I
System clock input.
6-5 D/A Converter : PCM1742 (IC507)
Pin No.
Pin Name
I/O
Pin Description
1
MNT0
I/O
Monitor output.
2~4
MNT(1~3)
O
Monitor output.
5
VDC0
-
CORE power supply.
6
SWDT
-
Data input for microcomputer serial interface.
7
SCLK
-
Shift clock input for microcomputer serial interface.
8
XLAT
-
Latch input for microcomputer serial interface. Latched at the falling edge.
9
VSC0
-
CORE GND.
10
SRDT
O
Data output for microcomputer serial interface.
11
SENS
O
Outputs the internal status corresponding to the microcomputer serial
interface address.
12
XRST
I
Reset input. Low : reset
13
SQSY
O
Disc subcode Q sync/ADIP sync output.
14
DQSY
O
U-bit CD or MD format subcode Q sync output when the digital in source is CD or MD.
15
RPWR
I
Laser power switching. High : recording power, Low : playback power
16
XINT
O
Interrupt request output. Low when the interrupt status occurs.
17
TX
I
Enable signal input for recording data output. High : enable
18
VDIO0
-
I/O power supply.
19
OSCI
I
Crystal oscillation circuit input.
20
OSCO
I/O
Crystal oscillation circuit output. (Input when OSCN = high.)
6-6 Digital Signal Processor : CXD2664R (X33, IC1)
