• IC Pin Function Description
DIGITAL BOARD IC1101 MB90488BPF-G-137E1 (SYSTEM CONTROL)
Pin No.
Pin Name
1
DATAO
2
GP9
3
BST
4
HCS
5
HACN
6
XRST
7
PM
8
GP12
9
PCM1800RST
10
PCM1608RST
11
VSS
12
PCM1608ML
13
PCM1608MC
14
PCM1608MDI
15
PCM1608MDO
16
T_CLK
17
T_DI
18
HDOUT
19
HDIN
20
HCLK
21
DLY_B PASS
22
DIR/AD
23
VCC5
24
SYS_MUTE
25
ANA/DIG
26
UPCON_RST
27
FLASH2/VOL_CL
28
FLASH1/VOL_DA
29
SDA
30
SCL
31
ENC_A
32
ENC_B
33
UPCON
34
UPCON_CLK
35
AVCC
36
AVRH
37
AVSS
38
A/D0
39
A/D1
40
A/D2
41
VERSION
42
VSS
43
RDS SIG
44
MODEL
45
VOL ENCODER (A)
46
VOL ENCODER (B)
47
BLUE LED
I/O
I
Audio data signal input from DIR
I
GP9 signal input from DSP
O
BST signal output to DSP
O
HCS signal output to DSP
I
HACN signal input from DSP
O
Reset signal output to DSP
O
PM signal output to DSP
O
GP12 signal output to DSP
O
IC reset signal output to ADC
O
IC reset signal output to DAC
—
Ground terminal
O
Latch signal output to DAC
O
Clock signal output to DAC
O
IC data output to DAC
I
IC data input to DAC
O
Tuner clock signal output terminal
O
Tuner data signal output terminal
I
HDOUT signal input from DSP
O
HDIN signal output to DSP
O
Clock signal output to DSP
—
Connected to ground terminal
—
Connected to ground terminal
—
Power supply
O
Muting and error signal output
O
Analog signal or digital signal output terminal
—
Not used
O
Volume IC clock signal output terminal
O
Volume IC data and latch signal output terminal
I
EEPROM data signal input terminal
O
EEPROM clock signal output terminal
—
Short to ground terminal
—
Short to ground terminal
—
Not used
—
Not used
—
Analog power supply
I
Analog reference voltage input
—
Analog ground terminal
I
Function key push signal input
I
Function key push signal input
I
Function key push signal input
I
Version setting input terminal (DESTINATION)
—
Ground terminal
I
RDS signal detect input
I
Version setting input (MODEL)
I
Volume signal input from rotary encoder
I
Volume signal input from rotary encoder
—
Not used
Description
STR-K670P
31