Pioneer SX-SW404 Service Manual page 74

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PDC135A (MAIN ASSY : IC5501)
A
• System Control Microcomputer
Pin Function
No. Mark
1 PA3/WR#
2 PA4/RD#
3 PA5/RS
4 P70 / INT0 / T0LCP / AN8
5 P71 / INT1 / T0HCP / AN9
6 P72 / INT2 / T0IN
B
7 P73 / INT3 / T0IN
8 RES#
9 XT1 / AN10
10 XT2 / AN11
11 VSS1
12 CF1
13 CF2
14 VDD1
15 P80 / AN0
16 P81 / AN1
17 P82 / AN2
C
18 P83 / AN3
19 P84 / AN4
20 P85 / AN5
TE
21 P86 / AN6 L 13942296513
22 P87 / AN7
23 P10/SO0
24 P11 / SI0 / SB0
25 P12 / SCK0
26 P13 / SO1
D 27 P14 / SI1 / SB1
28 P15 / SCK1
29 P16/T1PWML
30 P17/T1PWMH/BUZ
31 PE0
32 PE1
33 PE2
34 PE3
35 PE4
36 PE5
E
37 PE6
38 PE7
39 VSS4
40 VDD4
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Pin Name I/O
FLDAT O
XFLCS O
FLCLK
O
(ACDET) O
P_ON I
RDSCLK I (O) Clock input from RDS decoder (Interruption 2)/ non-RDS model = Low output
REMOCON I
XRESET I
−
XT1
−
XT2
−
VSS1
−
CF1
−
CF2
−
VDD1
SIMUKE I
MODEL I
O
(VDET)
XWMUTE
O
KEY2 I
DIRERR I
PCONFIG I
(XPROTECT) O
DSPDI O
DSPDO I
DSPCK O
(XTVMUTE)
O
DASDA I /O
DASCK O
INPUTSELA O
INPUTSELB O
O
(XHPMUTE)
(XRECMUTE) O
ADMD O
XADPDN
O
DSPMUTE O
(LED) O
XDEC MUTE I
DSPHREQ I
−
VSS4
−
VDD4
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SX-SW404
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Pin Function
Data for FL driver
Chip enable for FL driver
Clock for FL driver
no use
REMOCON 2 ( Power On )
REMOCON signal input (Interruption 3)
µ -com reset input
Subclock (connect to VDD when no use)
Subclock (leave open when no use, and set the bit 6 of OCR SFR)
Main Clock (connect to VDD when no use)
Main Clock (leave open when no use)
Destination distinction input
Model distinction input
no use
Wireless output MUTE ON/OFF (Wireless model only)
Key2 input
LOCK/UNLOCK from DIR
Q Q
POWER CONFIG INPUT 3 6 7 1 3
no use
Data output to DSP and DIR
Data input from DSP
Clock output to DSP and DIR
no use
I2C data for PWM processor IC
I2C clock for PWM processor IC
AUDIO INPUT SELECT A
AUDIO INPUT SELECT B
no use
no use
Control of DSPMUTE combining DIRERR., "L" at digital mode, "H" at analog mode.
POWER DOWN for A/D
MUTE request to PWM processor IC
Control of LED (SX-X360 only)
Detection of DSP boot success from DSP
Error detection from DSP
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9