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5
- Pin Functions (PEG086A)
Pin No.
Pin Name
csti
1
rstti
2
3
TXEMP
4
NC
5
CLKEMP
6
BYTE
7
CNVSS
NC
8
9
MCKENA
dspreset
10
11
XOUT
12
VSS
13
XIN
14
VCC
15
NC
16
SEND
17
NC
brst
18
brxen
19
bsrq
20
21
ROTB
22
ROTA
csemp@,!
23,24
25
SPEED
26
NC
27
UART_RX
28
UART_TX
29
PBUSTX
30
PBUSRX
31
PBUSCLK
pdndir
32
33
TXDIR
34
RXDIR
CLKDIR
35
csdir
36
37
SYSPOWIN
micsens
38
39
DSPPW
pdnadc
40
navguide
41
42
WMODE
43
TESTDSPA
44
TESTDSPM
45
JTAGMD
46
MUTERQ
47
DSPMUTE
bmute
48
49
AMUTEN
50
TESTIN
51
AMUTE
52
AMUTE1
53,54
PDSEL2,1
55
RSTDAC
56
TXDAC
57
RXDAC
5
6
Function and Operation
I/O
Format
C
DSP : chip select output
O
DSP : Reset output
O
C
O
C
EMPEROR : Data output
Not used
EMPEROR : Clock output
O
C
GND
C
GND
C
Not used
MS4 : MCK enable control
O
C
DSP : Reset input
I
C
Clock output
C
GND
C
Clock input
C
Power supply for microcomputer
C
Not used
P-BUS : Information in sending output
O
C
Not used
P-BUS : Reset request from system
I
C
P-BUS : Reception enable input/output
I/O
C
P-BUS : Service request input
O
C
Rotary volume input B
I
C
I
C
Rotary volume input A
EMPEROR 2,1 : CS output
O
C
Speed sensor pulse input
I
C
Not used
Communication reception port for PC
I
N
Communication sending port for PC
O
N
P-BUS : Data output
O
C
I
C
P-BUS : Data input/test data input
P-BUS : Communication clock/test communication clock
I/O
C
DIR : Power control terminal
O
C
DIR : Data output
O
C
DIR : Data input
I
C
O
C
DIR : Clock output
DIR : CS output
O
C
I
C
System power information
Mic sens input
I
C
DSP : Peripheral power supply
O
C
ADC : Power control terminal
O
C
NAVI MIX information input
I
C
I
C
DSP : FROM rewriting mode sense
DSP : Test program mode input
I
C
DSP : Test program mode input
I
C
DSP : JTAG mode select input
I
C
EVOL mute request from system
I
C
DSP : McASP reset
O
C
MS4 : Clock error information
I
C
O
C
AMUTE enable output
Test program mode select input
I
C
MS4 : AMUTE information input
I
C
DSP : Boot setting/internal mute information
I/O
C
Model select information 2,1 for speaker setting
I
C
DAC : Reset output
O
C
DAC : Data output
O
C
I
C
DAC : Data input
AVH-P7800DVD/UC
6
7
7
8
A
B
C
D
E
F
265
8
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