Pioneer DEH-P880PRS Service Manual page 93

5
- Pin Functions(PEG178A : UC and ES model, PEG176A : EW5 model)
Pin No. Pin Name
1 TUNPCE1
2 TUNPCE2
3 DSPOUT
4 DSPIN
5 DSPCK
6 BYTE
7 CNVSS
8 IPPW
9 ASENBO
reset
10
11 XOUT
12 VSS
13 XIN
14 VCC
nmi
15
rck
16
ldet
17
18 AMPPW
19 RX2
20 FCKSEL
21 EVOLCS
22 PEE
23 SYSPW
24 DSPPW
25 DALMON
26 MUTE
27 RX
28 TX
29 BSO
30 BSI
31 BSCK
32 KEYD
33 DPDT
34 KYDT
35 MCKCONT
36 MCKRQ
37 PCL
38 NC
rds%&k
39
40 DSP_RAMCLR
41 INIT_RESET
42 CK_RST
43 DSPS_RST
44 CKM[2]
45 AMTPW
46 DSPRQ
47 DSPRDY
bsrq
48
49 BRST
50 BRXEN
51 LRCKOK
52 JSNSON1
53 CDRESET
54 DIM_WH
55 DIM_BL
56 ILMPW
57 SWVDD
58 OELPW
59 MODEL
60 VCC
61 DSPMOD
62 VSS
5
6
I/O Function and Operation
O TUNER : Chip enable output (PLL)
O TUNER : Chip enable output (EEPROM)
O DSP, E.VOL : Data output
I DSP : Data input
O DSP, E.VOL : Clock output
I External data bus width change input
I Processor mode change input
O IP-BUS : Driver power supply control output
O IP-BUS : Slave ACC sense output
I Reset input
O Crystal oscillating element connection output
GND
I Crystal oscillating element connection input
Power supply
Not used
I RDS : Clock input (EW)
I RDS : PLL Lock detect input (EW)
O Power amplifier power supply control output
I IP-BUS : Data input 2
O Switch output of VCO oscillation frequency
O E.VOL : Chip select output
O BEEP sound output
O System power control output
O DSP : Power control output
O For consumption low-current output
O Mute output
I IP-BUS : Data input
O IP-BUS : Data output
O PBUS : Serial data output
I PBUS : Serial data input
O PBUS : Clock output
I Wired remote control key input (UC, EW)
O GRILLE : Data output
I GRILLE : Data input
Not used
I Master clock request input
O Output for clock adjustment
Not used
I RDS : 57 kHz count pulse input (EW)
O DSP : RAM clear output
O DSP : System reset output
O DSP : Clock reset output
O DSP : System reset output
O DSP : Clock mode select output
Not used
O DSP : Interface request output
I DSP : Data write ready input
I PBUS : Communication request output
O PBUS : Reset output
I/O PBUS : Communication input/output
I DSP : Clock stability information input
O "H" output at Jack sense mode (UC, ES)
O CD : Microcomputer reset output
O Key illumination dimmer output (White)
O Key illumination dimmer output (Blue) (UC, ES)
O Illumination output
O GRILLE : Chip enable output
O OEL : Power supply output
I Model select input (UC, ES)
Power supply
I DSP : STD/NW setting input
GND
DEH-P880PRS/XN/UC
6
7
7
8
A
B
C
D
E
F
93
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