Sony MDS-JA50ES Service Manual page 70

• IC206 Shock-Proof Memory Controller, ATRAC Encoder/Decoder (CXD2537R)/DIG board
Pin No. Pin Name
1 VDD
2 SWDT
3 SCK
4 XLAT
5 SRDT
6 SENSE
7 SCMD0
8 SCMD1
9 XINT
10 RCPB
11 WRMN
12 TX
13 VSS
14 SICK
15 IDSL
16 XILT
17 XRST
18 to 21 TS0 to TS3
22 EXIR
23 SASL
24 SNGLE
25 VSS
26 AIRCPB
27 XRQ
28 ADTO
29 ADTI
30 XALT
31 ACK
32 AC2
33 LCHST
34 EXE
35 MUTE
36 OSCO
37 OSCI
38 VSS
39 ATT
40 F86
41 DOUT
42 ADIN
43 ABCK
44 ALRCK
45 to 47 SA2 to SA0
* O/Z: In case of no output data, it becomes high impedance
I/O
Power supply (+5V)
—
I Input of write data signal from system controller
Input of serial clock signal from system controller
I
I Input of serial latch signal from system controller
Output of read data signal to system controller
O/Z
Internal status (SENSE) output (Not used)
O/Z
I
Serial command control mode input (Fixed at "H")
I
O Interrupt status output
I Recording/playback switching input "L": Recording mode (Fixed at "L")
I Write/monitor mode switching signal input "H": Monitor mode (Fixed at "L")
Write data transmission timing input
I
Also used as magnetic field head ON/OFF output
— Ground
I
Chip reservation pin (Fixed at "L")
I
I Chip reservation pin (Fixed at "H")
Input of reset signal from system controller Reset: "L"
I
I Test pin (Fixed at "L")
Chip reservation pin (Fixed at "L")
I
I 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
I
(Fixed at "L")
— Ground
Output of ATRAC and external audio block recording/playback mode signal (Not used)
O
O ATRAC I/F data request signal output (Not used)
ATRAC decode data signal input (Not used)
I
O ATRAC encode data signal output (Not used)
I ATRAC I/F XALT signal input (Not used)
ATRAC I/F ACK signal input (Not used)
I
I ATRAC I/F C2PO signal input (Not used)
ATRAC I/F Lch start data signal input/output (Not used)
I/O
ATRAC I/F EXE signal input/output (Not used)
I/O
I/O ATRAC I/F MUTE signal input/output (Not used)
Clock output (45 MHz) (Not used)
O
I Clock input (45 MHz)
Ground
—
ATRAC I/F ATT signal input/output (Not used)
I/O
O ATRAC block 11.6 msec timing signal output (Not used)
Output of audio data signal to D/A converter
O
I Input of recording signal from A/D converter
Bit clock signal output
O
O L/R clock output
O Address signal output (Not used)
— 92 —
Function