DTR-6.4
MAIN MICROPROCESSOR
TERMINAL DESCRIPTION
No.
Symbol
I/O Description
1
HPRL
O
Headphone relay control output pin
2
YCSEPCLK
O
Not used.
3
OSDCS
O
Serial communication chip select output pin for OSD IC Q204.
4
OSDDA
O
Serial communication data output pin for OSD IC.
5
OSDCLK
O
Serial communication clock output pin for OSD IC.
6
Evdd
Power supply pin (5V).
7
Evss
Ground pin
8
VFSDA
O
Serial communication data output pin for video select switch IC Q205.
9
VFSCLK
O
Serial communication clock output pin for video select switch IC.
10
VFSSTB
O
Serial communication strobe output pin for video select switch IC.
11
Z2PMUT
O
Muting control output pin for zone 2 pre-output.
12
DSP1HDOUT
I
Serial communication data input pin from first DSP IC Q700.
13
DSPSDO
O
Serial communication data output pin for DSP and DIR ICs.
14
DSPCLK
O
Serial communication clock output pin for DSP and DIR ICs.
15
T12VZ2
O
12V trigger output pin for zone 2.
16
T12VA
O
12V trigger output pin A
17
T12VB
O
12V trigger output pin B
18
IC/Vpp
Test pin
19
POWER
O
Power supply control output pin
20
PUREPOW
O
Power supply control output pin for pure audio
21
Z2LMUT
O
Line output muting control output pin for zone 2
22
Z2MUT
O
Muting control output pin for zone 2
23
AMUT
O
Audio muting control output pin
24
PLLSTB
O
Serial communication strobe output pin for PLL IC in tuner pack.
25
PLLDA
O
Serial communication data output pin for PLL IC.
26
PLLCLK
O
Serial communication clock output pin for PLL IC.
27
TMUT
O
Muting control output pin for tuner pack.
28
AFSSTB
O
Serial communication strobe output pin for select switch IC Q301.
29
AFSSCK
O
Serial communication clock output pin for select switch IC Q301.
30
AFSDA
O
Serial communication data output pin for select switch IC Q301.
31
~RESET
I
System reset input
32
XT1
Not used.
33
XT2
Not used.
34
REGC
Regulator adjustment capacitor connection pin
35
X2
Main clock connection pin (16MHz)
36
X1
Main clock connection pin (16MHz)
37
Vss
Ground pin
38
Vdd
Power supply pin (5V).
39
CLKOUT
Not used.
40
Z2PSELCLK
O
Clock output pin for zone 2. Not used.
41
Z2PSELDA
O
Data output pin for zone 2. Not used.
42
Z2PSELMUT
O
Select muting output pin for zone 2. Not used.
43
SELMUT
O
Muting control output pin for audio processor IC Q302.
44
SELCLK
O
Serial communication clock output pin for Q302 and Q310.
45
SELDA
O
Serial communication data output pin for Q302 and Q310.
46
Z2SELMUT
O
Muting control output pin for volume control IC Q310.
47
CODECINT
I
Error detection input pin for DIR IC Q800.
48
~CODECCS
O
Serial communication chip select output pin for DIR IC.
49
CODECSDI
I
Serial communication data input pin for DIR IC.
50
~DSP1RST
O
Reset signal output pin for first DSP IC Q700.
