Aiwa XR-MSK3 Service Manual page 43

IC, CXP84332-169Q
Pin No. Pin Name
________
1 APCOFF
2 PF4
3 PF5
_____
4 SSTP
______
5 LD ON
6 FOK
7 GFS
8 SCLK
9 SENS
_____
10 CLOK
_____
11 XLAT
12 DATA
13 SYSM
14 EJ0
15 EJ1
16 EJ2
17 EJ3
18 OPO
19 PC5
20 PC6
21 PC7
22 TEST1
23 PH1
24 PH2
25 TEST2
26 TEST3
27 TEST4
_______
28 DPSON
_____
29 XRST
______
30 RESET
31 EXTAL
32 XTAL
33 VSS
34 TX
35 TEX
36 AVSS
37 AVREF
38 FEMEAS
I/O
O Laser output control terminal (L: ON, H: OFF)
– Not used
– Not used
RESET switch detection input L: RESET SW closed; H: RESET SW open.
I
The reference position is determined when 'L' changes to 'H'. (Not used)
O RF amp mode control output L: CD-ROM laser ON; H: CD-RW laser ON; Hiz: Laser OFF
I FOK signal input from CXD2587Q
I GFS signal input from CXD2587Q
O Serial clock output to CXD2587Q for reading SENS serial data (Not used)
I SENS serial data input to CXD2587Q
O Clock output for transferring serial data to CXD2587Q (Not used)
O Latch signal output to CXD2587Q. Latches serial data at the trailing edge. (Not used)
O Serial data output to CXD2587Q (Not used)
O Muting output to CXD2587Q. L: Muting OFF; H: Muting ON (Not used)
I For setting the amount of 12-cm disc to come out when it is ejected (Not used)
I For setting the amount of 8-cm disc to come out when it is ejected (Not used)
Detects 8-cm compatible mechanism
I
L: 8-cm compatible mechanism; H: 12-cm exclusive mechanism
– Not used
– Not used
– Not used
O Used for debugging (Not used)
– Not used
– Not used
O Used for debugging (Not used)
Output to control power ON/OFF of RF amp and signal processing LSI (CXD2587Q)
O
L: Power ON; H: Power OFF (Not used)
Reset output to CXD2587Q (reset with 'L'). After the power supply of signal processing LSI
O
(CXD2587Q) turns on, this pin is set to 'H' to release reset. (Not used)
I System reset input terminal
I Crystal oscillator circuit input
O Crystal oscillator circuit output
– Ground
O Not used
I Not used
– Ground (A/D converter)
– Reference voltage input (A/D converter)
I Not used
Description
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