Sharp FO-78, Service Manual

Page: 37 / 76

UX-68DE
FO-78DE
5 – 7
FM209V (IC5) Hardware Interface Signals
Pin Signals – 128-Pin TQFP
Pin No. Signal Name I/O Type Pin Description
1 SR4IN/RESERVED MI Modem Interconnect
2 SR3OUT/RESERVED MI Modem Interconnect
3 EYESYNC OA Eye Pattern Circuit
4 EYECLK OA Eye Pattern Circuit
5 RXD OA DTE serial interface
6 SR1IO MI Modem Interconnect
7 NC — No Connection
8 EYEXY OA Eye Pattern Circuit
9 SR4OUT MI Modem Interconnect
10 VDD1 PWR 3.3V Digital Supply for DSP
11 RLSD# OB DTE Serial Interface
12 DCLK OB DTE Serial Interface
13 EN85# IA Host Parallel Interface
14 GPI0 IA Host Parallel Interface
15 RTS# IA DTE Serial Interface
16 DGND1 GND DSP Digital Ground
17 TXD IA DTE Serial Interface
18 SA1CLK MI Modem Interconnect
19 RS4 IB Host Parallel Interface
20 RS3 IB Host Parallel Interface
21 RS2 IB Host Parallel Interface
22 RS1 IB Host Parallel Interface
23 RS0 IB Host Parallel Interface
24 YCLK I Modem Interconnect
25 IACLK MI Modem Interconnect
26 IA1CLK MI Modem Interconnect
27 CTRLSIN S/NC MI Modem Interconnect
28 RESERVED/NC MI Modem Interconnect
29 SOUT S/NC MI Modem Interconnect
30 SIN S/NC MI Modem Interconnect
31 FSYNC S/NC MI Modem Interconnect
32 IARESET S#/NC MI Modem Interconnect
33 AGND1 GND IA Analog Ground
34 LINEIN S/NC I Line Interface
35 MICP S/NC I Microphone Input
36 MICM S/NC I Microphone Input
37 MICBIAS S/NC O Microphone Bias Output
38 NC — No Connection
39 NC — No Connection
40 VREF S/NC MI Modem Interconnect
41 VC S/NC MI Modem Interconnect
42 VAA S/NC PWR 5V IA Analog power
43 LINEOUT S/NC O Line Interface
44 NC — No Connection
45 AGND2 GND IA Analog Ground
46 SPKRP S/NC O Speaker Interface Output
47 SPKRM S/NC O Speaker Interface Output
48 AVDD S/NC PWR 5V IA Digital power
49 RESERVED/NC MI Modem Interconnect
50 ICLK S/NC MI Modem Interconnect
51 MCLK P MI Modem Interconnect
52 CTRLSIN P MI Modem Interconnect
53 RESERVED MI Modem Interconnect
54 SOUT P MI Modem Interconnect
55 SIN P MI Modem Interconnect
56 FSYNC P MI Modem Interconnect
57 IARESET P# MI Modem Interconnect
58 AGND3 GND IA Analog Ground
59 NC — No Connection
60 LINEIN P I Line Interface
61 MICP P I Microphone Input
62 MICM P I Microphone Input
63 MICBIAS P O Microphone Bias Output
64 NC — No Connection
65 NC NC No Connection
66 VREF P MI Modem Interconnect
67 VC P MI Modem Interconnect
68 VAA P PWR 5V Analog Supply for IA
69 LINEOUT P O Line Interface
70 AGND4 GND IA Analog Ground
71 SPKRP P O Speaker Interface Output