16
MZ-E300
Pin No.
Pin name
I/O
Description
1
UNREG_MON
I
UNREG voltage monitor input (A/D input)
2
RF_VCMON
I
Reference voltage (1.2V) for adjusting power supply voltage input (A/D input)
3
RMC_KEY
I
Remote commander with phones key input (A/D input)
4
SET_KEY
I
Key on the set itself input (A/D input) S801-807 (STOP, FF/PB, REW/PB, VOL+, VOL-,
PLAY MODE, DBB/AVLS key input
5
OPEN_CLS_SW
I
Upper panel open/close detection switch (S808) input L: Close, H: Open
6
RF_SMON
I
S-MON level input from SN761057DBT (IC501) (A/D input)
7
DSP_SMON3_LP
—
Not used (Fixed to L)
8
VL_MON
I
VL voltage monitor input from XPC18A32FCR2 (IC901) (A/D input)
9
XRESET
I
System reset signal input from XPC18A32FCR2 (IC901) (A/D input) L: Reset L is in
while 500-600 msec after power turns on, and then turns to H.
10
AVDD
—
Power supply (2.48V) (For A/D conversion)
11
AVSS
—
Ground (For A/D conversion)
12, 13
TYPE0, 1
I
Initial setting for the model decision input (Bit 0, 1) Fixed to L.
14
XADJUST
I
Test mode setting input L: Test mode (Fixed to H normally)
15
HOLD_SW
I
HOLD switch (S809) input L: Off, H: On
16
XOUT
O
Main system clock (16.9344MHz) output
17
XIN
I
Main system clock (16.9344MHz) input
18
HP_MUTE
O
Muting on/off control signal output to phones amplifier (IC301) H: Muting on
19
HP_STBY
O
Standby on/off control signal output to phones amplifier (IC301) L: Standby, H: Amp. on
20
XCLK
O
Clock (16.9344MHz) output to LC89642-8B-E (IC601)
21
VDD
—
Power supply (+2.1V) (Digital system)
22
VSS
—
Ground (Digital system)
23
DSP_WRQB
I
SUBQ/ADIP read out request input from LC89642-8B-E (IC601) L: Request
24
DSP_INTB
I
SPP, servo status read out request input from LC89642-8B-E (IC601) L: Request
25
DSP_SMON3
I
Monitor signal 3 input from LC89642-8B-E (IC601)
26
DSP_CE
O
Chip enable output to LC89642-8B-E (IC601) H: Enable
27
PWR_FFCLR
O
Latch clear signal for start up signal to XPC18A32FCR2 (IC901) output H: Clear
28
PWR_SLEEP
O
System sleep control signal to XPC18A32FCR2 (IC901) output H: Sleep on
29
PWR_VLON
O
VL voltage control signal to XPC18A32FCR2 (IC901) output H: VL out on
30
PWR_CLKSEL
O
External sync. 2 division circuit control signal to XPC18A32FCR2 (IC901) output L: 2
division, H: No division
31
SBUS_CLK
O
SSB serial clock signal output to SN761057DBT (IC501)
32
SBUS_DATA
I/O
SSB serial data signal input/output to SN761057DBT (IC501)
33
PD_S1
O
PD-IC mode select signal output L: PIT, H: GRV
34
SLD_1_MON
I
Sled servo timing signal input from SC111257FCR2 (IC551)
35
SLD_2_MON
I
Sled servo timing signal input from SC111257FCR2 (IC551)
36
CLV_VCON
O
Spindle servo drive voltage control signal output to SC111257FCR2 (IC551)
37
SLD_VCON
O
Sled servo external voltage control signal output to SC111257FCR2 (IC551)
38
VC_VCON
O
PWM signal for VC voltage control signal to XPC18A32FCR2 (IC901) output
39
CLV_U_MON
I
Spindle servo (U) timing signal input from SC111257FCR2 (IC551)
40
VDD
—
Power supply (+2.1V) (Digital system)
41
VPP
—
Test (Fixed to L)
42
CLV_V_MON
I
Spindle servo (V) timing signal input from SC111257FCR2 (IC551)
43
CLV_W_MON
I
Spindle servo (W) timing signal input from SC111257FCR2 (IC551)
44
CLV_U_CON
O
Spindle servo (U) drive signal output to SC111257FCR2 (IC551)
45
CLV_V_CON
O
Spindle servo (V) drive signal output to SC111257FCR2 (IC551)
• IC801 RU6615MF-0003 (SYSTEM CONTROL)
