DTR-8.2
MAIN MICROPROCESSOR
Terminal Descriptions
DTR-8.2
No. Function
I/O
Act.
Description
No.
Function
I/O
Act.
Description
8
BYTE
I
Input pin to change the width of external data bus. Connect to Vss.
52
ADR152
O
H
Signal output pin to control address 15 of flash memory for second DSP.
9
CNVSS
I
Input pin to change the processor mode. Connect to Vss.
53
ADR162
O
H
Signal output pin to control address 16 of flash memory for second DSP.
12
~RESET
I
Reset pin of microprocessor
54
ADR172
O
H
Signal output pin to control address 17 of flash memory for second DSP.
13
XOUT
O
Output pin of main clock oscillator
55
DFSDAC
O
H
DAC sampling control output pin.
14
VSS
I
Ground pin
56
~DARST
O
L
Reset output pin for six channels DAC.
15
XIN
I
Input pin of main clock oscillator
57
~CODECPD
O
L
Reset output pin for CODEC IC.
16
VCC
I
Power supply pin. Apply 5V.
58
DFSCO
O
H
Sampling frequency control output pin for CODEC IC.
18
PRTCTV
I
H
Abnormal voltage/current detection input pin from protection circuit
62
VCC
I
Power supply pin. Apply 5V.
19
RDSSCK
I
CLK Modulator clock signal input pin from RDS decoder IC.
64
VSS
I
Power supply pin. Connect to ground,
20
~POFF
I
L
Input pin from detection circuit of power failure
68
TRG12A
O
H
Output pin A to control the 12V trigger circuit.
21
~PRTCTTHM
I
L
Input pin from thermal detector circuit.
69
TRG12B
O
H
Output pin B to control the 12V trigger circuit.
22
SEC1H
O
H
Output terminal to change voltage of main amplifier.
70
TRG12Z
O
H
Output pin to control the 12V trigger circuit of zone 2.
23
INT0
I
H
Input terminal from interrupter output of DIR IC.
71
SPRLZ2
O
H
Output pin to control the speaker relay of zone 2.
24
INT1
I
H
Output terminal to interrupter input of DIR IC.
72
SLRLF
O
H
Output pin to control the speaker relay.
25
(DSPWRITE)
I
L
Input port for check when DSP flash write.
73
POWER
O
H
Output pin to control the relay of power source.
26
DIGSO
O
H
Serial data output pin to DSP,DIR,DAC, nd Digital input ICs.
74
PLLCE
O
H
Latch data output pin to PLL IC.
27
DIGSI
I
H
Serial data input pin from DSP, and DIR ICs.
75
TUMUT
O
H
Muting control output pin for tuner block.
28
DIGSCK
O
CLK Serial clock output pin to DSP,DIR,DAC,Digital input ICs.
76
~SD
I
L
Signal detection input pin from tuner section.
29
~INTRQ1
I
L
INTRQ input pin from DSP IC 2(CS49329)
77
~STEREO
I
L
Stereo broadcast detection input pin.
30
~INTRQ2
I
L
INTRQ input pin from DSP IC 1(CS49300)
78
RDSDATA
I
H
Data input pin from RDS demodulator IC.
32
~SUBRESET
O
L
Reset signal output pin to sub-microprocessor.
79
RDSSIG
I
H
Check signal input pin of RDS demodulator IC.
33
~SUBPOFF
O
L
Output pin to connect to pin POFF of sub-microprocessor.
81
AMUT
O
H
Muting control output pin for audio circuit.
34
~SUBREQ
I
L
Communication request input pin from sub-microprocessor.
82
Z2LMUT
O
H
Muting control output pin for line of zone 2.
35
MAINSO
O
H
Serial data output pin to sub-microprocessor.
83
Z2MUT
O
H
Muting control output pin for zone 2.
36
MAINSI
I
H
Serial data input pin from sub-microprocessor.
84
VPCLK
O
H
Serial clock output pin to electrical volume and PLL IC,
37
MAINSCK
O
CLK Serial clock output pin for communication of main and sub-microprocessors.
85
VPDATA
O
H
Serial data output pin to electrical volume and PLL IC,
38
~MAINREQ
O
L
Communication request output pin of main microprocessor.
86
VSTB
O
H
Strobe output pin to electrical volume IC.
39
~DIRCS
O
L
Chip select output pin of DIR IC,
87
TCS2
O
L
Chip select output pin to tone control IC of surround and center channels.
40
~DIRRST
O
L
Reset signal output pin to DIR IC,
88
TCS1
O
L
Chip select output pin to tone control IC of front channel..
41
Writing port of flash memory IC.
89
TDATA
O
H
Serial data output pin to tone control IC.
42
~DSPRST1
O
L
Reset signal output pin to DSP IC 2.
90
TCLK
O
CLK
Serial clock output pin to tone control IC.
43
~DSPCS1
O
L
Chip select output pin to DSP IC 1.
91
FSTB
O
H
Strobe output pin to function switch ICs.
44
FMEM/SRAM1
O
H
Memory select output pin to RAM.
92
FDATA
O
H
Serial data output pin to function switch ICs.
45
ADR151
O
H
Signal output pin to control address 15 of flash memory for first DSP.
93
FCLK
O
CLK
Serial clock output pin to function switch ICs.
46
Port to write the flash memory IC.
94
HPMUT
O
H
Muting control output pin for headphone circuit.
47
ADR161
O
H
Signal output pin to control address 16 of flash memory for first DSP.
96
VSS
I
Power supply pin for A/D converter. Connect to ground.
48
ADR171
O
H
Signal output pin to control address 17 of flash memory for first DSP.
97
VOLH
I
H
Measurement input pin of main amplifier output.
49
~DSPRST2
O
㧸
Reset output pin to DSP IC 2.
98
VREF
I
Reference voltage input pin for A/D converter.
50
~DSPCS2
O
L
Chip select output pin to DSP IC 2.
99
VCC
I
Power supply pin for A/D converter. Apply 5V.
51
FMEM/SRAM2
O
H
2nd DSP memory select output pin.L=FLASH,H=SRAM
