43
•
Pin Description
No.
Port Name
Assign
I/O
Description
1
P22/A18
pSLnMA
I
Master/Slave detection input
2
P23/A19
pnOpenSW
I
Open switch input
3
P24/A20/PPG0
NC
NC
4
P25/A21/PPG1
NC
NC
5
P26/A22/PPG2
pnLoadSW
I
Load switch input
6
P27/A23/PPG3
pAudMute
O
Audio mute output
7
P30/A00/AIN0
pXTOR
I
Tracking error amplitude detection input
8
P31/A01/BIN0
pnPlayKey
I
Play key input
9
Vss
GND
GND_
10
P32/A02/ZIN0
pnEjectKey
I
Eject key input
11
P33/A03/AIN1
pLED1
O
LED1 control output
12
P34/A04/BIN1
pLED2
O
LED2 control output
13
P35/A05/ZIN1
pActMute
O
FCS, TRK, SLD on/off
14
P36/A06
pSPNOn
O
Spindle start/stop control output
15
P37/A07
pADSel
O
HALL/SLDOUT select output
16
P40/A08/SIN2
PSPNBoost
O
Spindle gain selection output
17
P41/A09/SOT2
pSPN8n12
O
8/12cm disc control output
18
P42/A10/SCK2
pTrayMute
O
Tray motor Drive Mute control
19
P43/A11
pAGCOn
O
Wobble AGC enable output
20
P44/A12
pWRnRE
O
Write/Read select output
21
Vcc
3.3V
3.3V
22
P45/A13
pROPCon
O
ROPC enable output
23
P46/A14/OUT4
pCDRnRW
I
CD-R/CD-RW select output
24
P47/A15/OUT5
pTestMode1
I
TestMode1
25
P70/SIN0
pRXD
I
Serial communication receive
26
P71/SOT0
pTXD
O
Serial communication transmit
27
P72/SCK0
NC
O
NC
28
P73/TIN0
pFlagA
I
OTI9790 FlagA (TEZC) input
29
P74/TOT0
pRFSdatai
OTI9071 sdata input
30
P75
pSBRK
O
Spindle motor short brake output
31
P76
pMuxAout
O
MUX select output1
32
P77
pMuxBout
O
MUX select output2
33
Avcc
Avcc (3.3V)
3.3V
34
AVRH
pAVREF (3.3V)
I
3.3V
35
Avss
GND
GND
36
P60/AN0
pAsym1
I
ASYM1/B-level0 analog input
37
P61/AN1
pAsym2
I
ASYM2/B-level1 analog input
38
P62/AN2
pMPXO
I
Multiplexer input for signal monitoring
39
P63/AN3
pSLDOut
I
HALL/SLDOUT Analog input
40
Vss
GND
GND
41
P64/AN4
NC
NC
42
P65/AN5
pPho2/Bho2
I
PHO2/BHO2 signal input
43
P66/AN6
NC
NC
44
P67/AN7
NC
NC
45
P80/IRQ0
NC
NC
46
P81/IRQ1
NC
NC
47
MD0
Input for setting the operation mode
48
MD1
Input for setting the operation mode
49
MD2
Input for setting the operation mode
50
P82/IRQ2
pESFS
I
Encode subcode frame sync input