Sony MDS-JA30ES Service Manual page 39

• IC206 Shoc k -Proof Memor y Contr o ller , ATRAC Encoder/Decoder (CXD2537R)/DIG boar
Pin No. Pin Name I/O
1 VDD —
2 SWDT I
3 SCK I
4 XLAT I
5 SRDT O/Z
6 SENSE O/Z
7 SCMD0 I
8 SCMD1 I
9 XINT O
10 RCPB I
11 WRMN I
12 TX I
13 VSS —
14 SICK I
15 IDSL I
16 XILT I
17 XRST I
18 to 21 TS0 to TS3 I
22 EXIR I
23 SASL I
24 SNGLE I
25 VSS —
26 AIRCPB O
27 XRQ O
28 ADTO I
29 ADTI O
30 XALT I
31 ACK I
32 AC2 I
33 LCHST I/O
34 EXE I/O
35 MUTE I/O
36 OSCO O
37 OSCI I
38 VSS —
39 ATT I/O
40 F86 O
41 DOUT O
42 ADIN I
43 ABCK O
44 ALRCK O
45 to 47 SA2 to SA0 O
* O/Z: In case of no output data, it becomes high impedance
Power supply (+5V)
Input of write data signal from system controller
Input of serial clock signal from system controller
Input of serial latch signal from system controller
Output of read data signal to system controller
Internal status (SENSE) output (Not used)
Serial command control mode input (Fixed at "H")
Interrupt status output
Recording/playback switching input "L": Recording mode (Fixed at "L")
Write/monitor mode switching signal input "H": Monitor mode (Fixed at "L")
Write data transmission timing input
Also used as magnetic field head ON/OFF output
Ground
Chip reservation pin (Fixed at "L")
Chip reservation pin (Fixed at "H")
Input of reset signal from system controller Reset: "L"
Test pin (Fixed at "L")
Chip reservation pin (Fixed at "L")
Block selection in single use "L": ATRAC "H": RAM controller (Fixed at "L")
Normally fixed at "L" Fixed at "H" when used as ATRAC or RAM controller for single (Fixed at "L")
Ground
Output of ATRAC and external audio block recording/playback mode signal (Not used)
ATRAC I/F data request signal output (Not used)
ATRAC decode data signal input (Not used)
ATRAC encode data signal output (Not used)
ATRAC I/F XALT signal input (Not used)
ATRAC I/F ACK signal input (Not used)
ATRAC I/F C2PO signal input (Not used)
ATRAC I/F Lch start data signal input/output (Not used)
ATRAC I/F EXE signal input/output (Not used)
ATRAC I/F MUTE signal input/output (Not used)
Clock output (45 MHz) (Not used)
Clock input (45 MHz)
Ground
ATRAC I/F ATT signal input/output (Not used)
ATRAC block 11.6 msec timing signal output (Not used)
Output of audio data signal to D/A converter
Input of recording signal from A/D converter
Bit clock signal output
L/R clock output
Address signal output (Not used)
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Description