Pioneer SX-SW404 Service Manual page 76

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3 7 63 1515 0
No. Mark
A
81 PB6/D6
82 PB5/D5
83 PB4/D4
84 PB3/D3
85 PB2/D2
86 PB1/D1
87 PB0/D0
88 VSS3
89 VDD3
B
90 PC7/A7
91 PC6/A6
92 PC5/A5
93 PC4/A4
94 PC3/A3
95 PC2/A2
96 PC1/A1
97 PC0/A0
98 PA0/CS2#
99 PA1/CS1#
C 100 PA2/CS0#
• Port0 (P00-P07) can be selected for input or output by each 4 bits (P00-P03,P04-P07). Set for input when reset. And it can be set C-MOS or
Nch-OD by each 1 bit in option.
• Port1 (P10-P17) can be selected for input or output by each 1 bit. Set for input when reset. And it can be set C-MOS or Nch-OD by each 1bit
in option.
TE
L 13942296513
• Port2 (P20-P27) can be selected for input or output by each 1 bit. Set for input when reset. And it can be set C-MOS or Nch-OD by each 1 bit
in option.
• Port3 (P30-P36) can be selected for input or output by each 1 bit. Set for input when reset. And it can be set C-MOS or Nch-OD by each 1 bit
in option.
• Port7 (P70-P73) can be selected for input or output by each 1 bit. Set for input when reset.
• Port8 (P80-P87) can be selected for input or output by each 1 bit. Set for input when reset.
• PortA (PA0-PA5) can be selected for input or output by each 1 bit. Set for input when reset. And it can be set C-MOS or Nch-OD by each 1 bit
in option.
D
• PortB (PB0-PB7) can be selected for input or output by each 1 bit. Set for input when reset. And it can be set C-MOS or Nch-OD by each 1 bit
in option.
• PortC (PC0-PC7) can be selected for input or output by each 1 bit. Set for input when reset. And it can be set C-MOS or Nch-OD by each 1
bit in option.
• PortE and PortF can be selected for input or output by each 2 bits.
• In case of without RDS, it is best that RDSDATA and RDSCLK are assigned as I/O port which can be set output and output low level.
E
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F
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Pin Name I/O
(DVDPOWER) O
(HPSEL) O
(HPDET) O
PWRCONT O
(FLCONT) O
BEATCUT1 O
BEATCUT2 O
−
VSS3
−
VDD3
FLASHE/D I(O)
FLASHDO O
FLASHCLK O
(SWMIX) O
(PCONFIG3) O
(DMUTECHECK) O
FANCONT O
(DTSMIX) O
XDIRRST O
XDIRCS O
DIRDO I
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y
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SX-SW404
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8
Pin Function
no use
no use
no use
Power control
no use
BEATCUT Control 1
BEATCUT Control 2
no use
no use
no use
no use
no use
SOFT MUTE MONITOR for PWM processor IC
Control fan speed
no use
Reset to DIR
Chip select to DIR
Data input from DIR
Q Q
3 6 7 1 3
u163
.
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
4
9 9
2 8 9 9