44
STR-K990
• IC Pin Function Description
DIGITAL BOARD IC1101 MB90F045PF-G-9034-SPE1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DATAO
I
Audio data signal input from DIR
2
GP9
I
GP9 signal input from DSP
3
BST
O
BST signal output to DSP
4
HCS
O
HCS signal output to DSP
5
HACN
I
HACN signal input from DSP
6
XRST
O
Reset signal output to DSP
7
PM
O
PM signal output to DSP
8
GP12
O
GP12 signal output to DSP
9
FL_LAT
O
FL driver latch signal output
10
PCM1609/1803_RST
O
IC reset signal output to DAC and ADC
11
VSS
—
Ground terminal
12
PCM1609_ML
O
Latch signal output to DAC
13
PCM1609_MC
O
Clock signal output to DAC
14
PCM1609_MDI
O
IC data output to DAC
15
PCM1609_MDO
I
IC data input from DAC
16
FL_CLK
O
FL driver clock signal output terminal
17
FL_DATA
O
FL driver data signal output terminal
18
HDOUT
I
HDOUT signal input from DSP
19
HDIN
O
HDIN signal output to DSP
20
HCLK
O
Clock signal output to DSP
21
TUNING_A
I
Tuning encoder input (not used)
22
TUNING_B
I
Tuning encoder input (not used)
23
VCC5
—
Power supply (+3.3V)
24
V_SW1
O
Composite video signal select 1
25
V_SW2
O
Composite video signal select 2
26
C LINK_DET
I
C link detect input
27
FLASH2/C LINK_RX
I
C link Rx data input
(MICLO)
28
FLASH1/C LINK_TX
O
C link Tx data output
I
EEPROM data signal input terminal
EEPROM clock signal output terminal
I
Input selector Encoder (A) signal input
I
Input selector Encoder (B) signal input
Not used (Open)
Not used (Open)
Analog power supply (+3.3V)
I
Analog reference voltage input (+3.3V)
37
AVSS
—
Analog ground terminal
38
ADCC
I
ADCC signal input
39
A/D1
I
Function key push signal input
40
A/D2
I
Function key push signal input
41
VERSION
I
Version setting input terminal (DESTINATION)
42
VSS
—
Ground terminal
43
TUNER SD
I
RDS signal detect input
44
MODEL
I
MODEL select input
45
VAX CTRL
I
Vacs control input
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