14
CDX-MP70
4-1. IC PIN DESCRIPTIONS
• IC5 CXD9684R-004 (AUDIO INTERFACE) (SERVO BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
RESET
I
Reset input
2
MIMD
I
CPU interface mode select signal
3
AD0
I
CPU interface chip select signal
4
AD1
I
CPU interface latch pulse signal
5
MIDIO
I/O
CPU interface data input/output
6
MICK
I
CPU interface clock signal
7
AD2/MIACK
I
CPU interface acknowledge signal
8
VDDT
—
Power supply pin (+3.3 V)
9
SDO
O
Data output
10
AD3/BCKO
O
Bit output
11
AD4/LRCKO
O
LR clock output
12
SDI0
I
Data input 0
13
BCKIA
I
Bit clock input A
14
LRCKIA
I
LR clock input A
15
AD5/SDI1
I
Data input 1
16
CE/BCKIB
I
Bit clock input B
17
OE/LRCKIB
I
LR clock input B
18
VDD
—
Power supply pin (+2.5 V)
19
STANDBY
I
Standby mode control signal
20
VSS
—
Ground
21
VSSL
—
Ground for DAC Lch
22
VRAL
—
Reference voltage pin for DAC Lch
23
LO
O
DAC Lch output
24
VDAL
—
Power supply pin (+2.5 V) for DAC Lch
25
VDAR
—
Power supply pin (+2.5 V) for DAC Rch
26
RO
O
DAC Rch output
27
VRAR
—
Reference voltage pin for DAC Rch
28
VSSR
—
Ground for DAC Rch
29
TESTP
I
Test pin
30
CKS
I
VCO select signal
31
AD12/PO0
O
Address output 0
32
AD11/PO1
O
Address output 1
33
AD10/PO2
O
Address output 2
34
AD9/PO3
O
Address output 3
35
VDDT
—
Power supply pin (+3.3 V)
36
AD8/PO4
O
Address output 4
37
AD7/PO5
O
Address output 5
38
AD6/PO6
O
Address output 6
39
PO7
O
Address output 7
40
VSS
—
Ground
41
AD13/FI0
I
Flag input 0
42
AD14/FI1
I
Flag input 1
43
WR/FI2
I
Flag input 2
44
AD16/FI3
I
Flag input 3
45
AD15/IRQ
I/O
External interrupt signal
46
IO0/PI0
I
Data input 0
47
IO1/PI1
I
Data input 1
48
VSS
—
Ground
49
IO2/PI2
I
Data input 2
50
IO3/PI3
I
Data input 3
51
IO4/PI4
I
Data input 4
SECTION 4
DIAGRAMS
