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HTZ-7, HTZ-C7, HTZ-SW7, HTZ-ST7
QQ
3 7 63 1515 0
PDG250A (IC8501: MAIN ASSY)
System Micro-computer (for Subwoofer)
Pin Function
No.
Symbol
Name
1
G1/A1
–––––
2
G0/A0
–––––
3
NC
–––––
4
PE0/INT0/EC0
–––––
5
PE1/INT1/EC1
AC_PULSE
6
PE2/INT2
SYSBUS_CLOCK
7
PE3/INT3/NM1
AC3_REQ
8
PE4/RMC
REM_IN
9
PE5
TEST_MODE
10
PE6/PWM
–––––
11
PE7/TO/ADJ
–––––
12
PC0/KR0
–––––
13
PC1/KR1
FL_DATA
14
PC2/KR2
DEM_LOCK
15
PC3/KR3
DIR_LOCK
16
PC4/KR4
SYSBUS_DI
17
PC5/KR5
SYSBUS_DO
18
PC6/KR6
SYSBUS_REQ
19
PC7/KR7
FL_CLK
20
PB0/CINT
FL_CE
TE
L 13942296513
21
PB1/CS0
AC3_CS
22
PB2/SCK0
AC3_CLK
23
PB3/SI0
AC3_OUT
24
PB4/SO0
AC3_DATA
25
PB5/SCK1
DISP_CLOCK
26
PB6/SI1
DISP_DATA
27
PB7/SO1
DISP_REQ
28
AVref
–––––
29
PA0/AN0
HP_SW
30
PA1/AN1
DC DETECT
31
PA2/AN2
TEMP_HI1
32
PA3/AN3
TEMP_HI2
33
PA4/AN4
–––––
34
PA5/AN5
–––––
35
PA6/AN6
–––––
36
PA7/AN7
OL_DET
37
AVss
GND
38
RST
RESET
39
EXTAL
–––––
40
XTAL
–––––
41
Vss
GND
42
TX
OPEN_GND
43
TEX
GND
www
44
VDD
–––––
45
Vfdp
–––––
46
PD0/A55
AD/DIR
.
47
PD1/A54
–––––
48
PD2/A53
AC3_RST
49
PD3/A52
AC3_BST
104
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I/O
OUT
––––––––––
OUT
––––––––––
––
5V
IN
5V
IN
AC pulse input (interrupt use)
IN
System bus clock input (interrupt use)
IN
Communication request from the AC3 board, "L": Communication request (interrupt use)
IN
Remote control input
IN
Test mode when L at the time of power ON
OUT
––––––––––
OUT
––––––––––
OUT
––––––––––
OUT
FL driver data
IN
When the modulator IC is locked to the RF signal, "L" Input
IN
When DIR is locked to the digital input signal, "L" Input
IN
System bus data input [ for ID (priority) confirmation ]
IN/OUT
System bus data output
IN/OUT
System bus REQ I/O (input except at the time of transmission)
OUT
FL diver clock
OUT
FL driver address/data status
OUT
Chip selection for AC-3 board communication
OUT
Serial clock for AC-3 board communication
IN
Serial data input for AC-3 board communication
OUT
Serial data output for AC-3 board communication
IN
Clock input for display communication
IN
Data input for display communication
IN
REQ output for display communication
––
5V
IN
Headphone insertion detection
IN
Power supply trouble detection AD
IN
Temperature rise detection, amplifier 1
IN
Temperature rise detection, amplifier 2
OUT
––––––––––
OUT
––––––––––
OUT
––––––––––
IN
Overcurrent detection
––
––––––––––
––
––––––––––
––
Oscillator 7.70MHz
––
Oscillator 7.70MHz
––
––––––––––
––
––––––––––
––
––––––––––
––
5V
x
ao
u163
––
––––––––––
y
OUT
Master/Slave selection, "L": Analog, "H": Digital
i
OUT
––––––––––
OUT
AC-3 board: Reset
OUT
AC-3 board: Bootstrap
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2 9
8
Description
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3
6 7
1 3
1 5
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9 4
2 8
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8
2 9
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2 8
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