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4-14.
IC PIN FUNCTION
IC114 SYSTEM CONTROL (M30624MG-300FP)(DIGITAL board)
Pin No.
Pin Name
I/O
1 to 7
DOP6 to DOP0
O
Data output
8
BYTE
I
Data bus width select input "L"=8bit, "H"=16bit
9
CNVSS
I
Processor mode select input
10
DIR-IN
I
Serial data input from DIR
11
ERR
I
Lock error signal input from DIR
12
RESET
I
System reset input from Reset generator
13
XOUT
O
System clock output (10MHz)
14
VSS
—
Ground
15
XIN
I
System clock input (10MHz)
16
VCC 3.3V
—
+3.3V
17
NMI
I
Non-maskable interrupt input (Not used)
18
RDS CLK-IN
I
RDS clock input from RDS
19
NOT USED
I
Not used
20
RDS DATA-IN
I
RDS data input from RDS
21
HRDY (DSP)
I
Ready input from DSP
22
SOD (DSP)
I
Serial data input from DSP
23
OE
O
Output enable output for HC573/574
24
LATCH5 (LV573)
O
Latch signal output 5 for HC573
25
LATCH4 (LV573)
O
Latch signal output 4 for HC573
26
LATCH3 (LV573)
O
Latch signal output 3 for HC573
27
LATCH2 (LV573)
O
Latch signal output 2 for HC573
28
LATCH1 (LV574)
O
Latch signal output 1 for HC574
29
IIC CLOCK
I/O
IIC clock input/output for EEPROM
30
IIC DATA
I/O
IIC data input/output for EEPROM
31
BIAS ON
O
Bias on/off switch output "L"=on, "H"=off
32
1394RSET
O
1394 reset output for AUDIO-LINK
33
TUNER MUTE
O
Mute signal output for tuner
34
LINE MUTE
O
Mute signal output for line out
35
FL DATA
O
Serial data output for FL display
36
FL C-SEL
O
Chip select output for FL display
37
FL CLOK
O
Serial clock output for FL display
38
POWER RY
O
Power-on signal output for relay and HC367 "L"=off, "H"=on
39
RDY
I
Ready input from AUDIO-LINK
40
ALE
O
Address latch enable output for AUDIO-LINK (Not used)
41
HOLD (PULL UP)
I
Hold signal input (pull up)
42
HLDA
O
HLDA signal output (Not used)
43
BCLK
O
BCLK signal output (Not used)
44
RD
O
Read output for AUDIO-LINK
45
WRH
O
WRH signal output (Not used)
46
WR
O
Write output for AUDIO-LINK
47, 48
VOL-B, VOL-A
I
Volume control input from rotary encoder
49
CS1
O
Chip select output for AUDIO-LINK
50
SIRCS IN
I
Remote control signal input
51
PROTCT IN
I
Protect detect input
52
TUNED
I
Tuning detect input from tuner unit
53
ST STEREO IN
I
Stereo detect input from tuner unit
54
ST DATA IN
I
Serial data input from tuner unit
55 to 61
NC (OPEN)
O
Not used
62
VCC 3.3V
—
+3.3V
63
NC (OPEN)
O
Not used
64
GND
—
Ground
Description
32
Pin No.
Pin Name
I/O
65 to 72
A7 to A0
O
Address output for AUDIO-LINK
73 to 88
D15 to D0
I/O
Data input/output for AUDIO-LINK
89
NOT USED (GND)
I
Not used
90
SIGNAL-LEVEL
I
Tuning level input from tuner unit
91
VERSION IN
I
Version input
92, 93
A/D KEY2, A/D KEY1
I
Key input (A/D)
94, 95
ENCODER B, ENCODER A
I
Jog control input from rotary encoder
96
AVSS
—
Analog VSS (Ground)
97
POWER KEY
I
Power-key input
98
A/D VREF
I
A/D reference Voltage input (+3.3V)
99
AVCC 3.3V
—
Analog VCC (+3.3V)
100
DOP7
O
Data output
32
Description
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