KNA-DV
2200
13
Pin No.
Pin Name
I/O
Description
Processing Operation
17
B REQ
I
Local I/F interrupt input
Hi
→
Lo : Interrupt request
18
LDON
O
High-frequency redundancy control output
Hi : Redundancy ON, Lo : Redundancy OFF
19
HOLD
O
Focus servo forced defect output
Hi : Hold
20
LOAD
O
Load motor control output
Hi : ON, Lo : OFF
21
UNLOAD
O
Eject motor control output
Hi : ON, Lo : OFF
22
VSS
-
GND connection terminal
Connected to GND lines.
23
SDEN
O
SP3721A chip enable output
Hi : Enable
24
SCLK
O
SP3721A serial clock output
25
SDATA
I/O
SP3721A serial data input/output
26
PH ON
O
Photo sensor power supply ON/OFF output
Hi : ON, Lo : OFF
27
D8
I/O
Data bus
28
D9
I/O
Data bus
29
D10
I/O
Data bus
30
D11
I/O
Data bus
31
D12
I/O
Data bus
32
D13
I/O
Data bus
33
D14
I/O
Data bus
34
D15
I/O
Data bus
35
VCC
-
Positive power supply connection terminal
Connected up to 5V lines.
36
A0
O
Address bus
37
A1
O
Address bus
38
A2
O
Address bus
39
A3
O
Address bus
40
A4
O
Address bus
41
A5
O
Address bus
42
A6
O
Address bus
43
A7
O
Address bus
44
VSS
-
GND connection terminal
Connected to GND lines.
45
A8
I
Address bus
Not used (built-in pull up to VCC)
46
SENS
I
CXD3008Q SENS data input
47
FOK
I
FOK input
Hi : Focus OK
48
SLIM SW
I
Pickup most inner position detection input
Lo : Pickup most inner position
49
DOWN SW
I
Mechanism loading completion detection input
Lo : Loading completed
50
EJECT
I
Forced eject request input
Lo : Eject
51
PONREQ
I
Not used (built-in pull up to VCC)
52
NC
I
Not used (built-in pull up to VCC)
53
IFSEL
I
CXD1867R interface selection input
Hi : AV, Lo : ATAPI
54
MNT2
I
CXD1867R monitor input (SCSY)
55
E2 SEL
I
EEPROM mode selection input
Not used (Lo : Writing mode)
56
TEST (TYPE)
I
Mechanism type selection input
Hi : 12cm, Lo : 12/8cm
57
VSS
-
GND connection terminal
Connected to GND lines.
58
AMUTE
O
Audio mute request output
Hi : Mute request
59
DEEMPH
I
De-emphasis input
Hi : De-emphasis ON
60
PD
O
DAC power ON/OFF selection input
Not used (Hi : ON, Lo : OFF)
MICROCOMPUTER’S TERMINAL DESCRIPTION
