Sony MDS-DRE1 Service Manual page 56

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CENTER BOARD IC201 M30612M8A-404FP
(FLUORESCENT INDICATOR TUBE DRIVE CONTROLLER, KEY CONTROLLER, LED DRIVER)
Pin No. Pin Name
1 FSW0
2 FSW1
3, 4 —
5 —
6 REM-CON
7 —
8 BYTE
9 CNVSS
10 XCIN
11 XCOUT
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18
—
19 —
20 DTCS
21 JOG3
22
JOG2
23
JOG1
24 JOG0
25
JOGA
26
JOGB
27
—
28
LED-R.PAUSE
29
LED-CUE
30
LED-PP
31 SWDT
32 SRDT
33 SCLK
34 FLCS
35 DTIN
36 DTOUT
37 DTCK
38 RTS
39 to 45 —
46 FL-RES
47 to 61 —
62 VCC
63 —
64 VSS
65 LED1-G
66 LED1-O
I/O
I Foot switch (PLAY/PAUSE) input terminal
I
Foot switch (REC/PAUSE) input terminal
O
Not used (open)
I Not used (fixed at "H")
I Not used (fixed at "H")
I Not used (fixed at "H")
I External data bus line byte selection signal input "L": 16 bit, "H": 8 bit (fixed at "L")
— Ground terminal
I Sub system clock input terminal (32.768 kHz) Not used (fixed at "H")
O Sub system clock output terminal (32.768 kHz) Not used (pull up)
System reset signal input terminal "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O Main system clock output terminal (10 MHz)
— Ground terminal
I Main system clock input terminal (10 MHz)
— Power supply terminal (+5V)
I Non-maskable interrupt input terminal (fixed at "H" in this set)
O Not used (open)
I Not used (fixed at "H")
I Chip select signal input from the system controller (IC101)
I Not used (fixed at "H")
I Not used (fixed at "H")
I Jog dial detect sensor (PH382 side) input terminal
I Jog dial detect sensor (PH381 side) input terminal
Jog dial pulse input from the rotary encoder (S305 ≠ AMS ±) (A phase input)
I
Jog dial pulse input from the rotary encoder (S305 ≠ AMS ±) (B phase input)
I
I Not used (fixed at "H")
O LED drive signal output of the REC PAUSE LED (D371) "L": LED on
O LED drive signal output of the CUE LED (D361 to 363) "L": LED on
O LED drive signal output of the PLAY/PAUSE LED (D364 to 366) "L": LED on
O Serial data output to the fluorescent indicator tube driver (IC101)
I
Not used (fixed at "H")
O
Serial data transfer clock signal output to the fluorescent indicator tube driver (IC101)
O Chip select signal output to the fluorescent indicator tube driver (IC101)
O Serial data output to the system controller (IC101)
I Serial data input from the system controller (IC101)
I Serial data transfer clock signal input from the system controller (IC101)
O RTS (request to send) output to the system controller (IC101)
I Not used (fixed at "H")
O Reset signal output to the fluorescent indicator tube driver (IC101) "L": reset
I Not used (fixed at "H")
— Power supply terminal (+5V)
I
Not used (fixed at "H")
—
Ground terminal
O
LED drive signal output of the pad indicator "L": LED on
O
Function
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