Sharp FO-2970M Service Manual page 55

FM336 (IC8) Terminal description
PIN Signal Name I/O Type
1 RESERVED
2 RS2
3 RS3
4 RS4
5 /CS
6 /WR
7 /RD
8 /RDCLK
9 /RLSD
10 TDCLK
11 TXD
12 /CTS
13 VDD1 PWR
14 RESERVED
15 RESERVED
16 VSS GND
17 NC
18 /RESET
19 SR4OUT
20 NC
21 SR4IN
22 CLK_OUT
23 EYESYNC
24 EYECLK
25 MAVSS GND
26 MAVDD PWR
27 SPKR O(DF)
28 TXA2 O(DD)
29 TXA1 O(DD)
30 VREF
31 VC
32 RIN I(DA)
33 MAVSS AGND
34 /POR
35 RESERVED
36 RESERVED
37 /TALK O(DD)
38 VDD PWR
39 RESERVED
40 RESERVED
41 NC
42 M_CNTRL_SIN
43 M_CLKIN
44 M_TXSIN
45 M_SCK
46 M_RXOUT
47 M_STROBE
48 RESERVED
49 OH O(DD)
50 VDD PWR
Notes:
I/O types: MI = Modem interconnect
IA, IB = Digital input
I(DA) = Analog input
3
Interface
– –
IA Host interface
IA Host interface
IA Host interface
IA Host interface
IA Host interface
IA Host interface
OA DTE Serial interface
OA DTE Serial interface
OA DTE Serial interface
IA DTE Serial interface
OA DTE Serial interface
–
– –
– –
–
– NC
OA Modem interconnect
OA Modem interconnect
– NC
IA Modem interconnect
OA Modem interconnect
OA Diagnosis signal
OA Diagnosis signal
–
–
Telephone lines interface
Telephone lines interface
Telephone lines interface
MI Modem interconnect
MI Modem interconnect
Telepone lines interface
–
LA Modem interconnect
– –
– –
Telephone lines interface
–
– –
– –
– NC
IA Modem interconnect
IA Modem interconnect
IA Modem interconnect
IA Modem interconnect
IA Modem interconnect
IA Modem interconnect
– –
Telephone lines interface
–
OA, OB = Digital output
O(DD), O(DF) = Analog output
PIN Signal Name
51 RESERVED
52 VSUB
53 VSS
54 NC
55 NC
56 SLEEP
57 VDD1
58 RESERVED
59 RESERVED
60 NC
61 SR1IO
62 VCORE
63 VDD1
64 XTCLK
65 VSS
66 RESERVED
67 RXD
68 /DTR
69 VDD1
70 IA_SLEEP
71 VGG
72 YCLK
73 XCLK
74 EYEXY
75 /DSR
76 /RI
77 RINGD
78 /RTS
79 IRQ
80 VSS
81 GPO0
82 RESERVED
83 RESERVED
84 VDD1
85 XTALI/CLKIN
86 XTALO
87 D0
88 D1
89 D2
90 D3
91 D4
92 VDD1
93 D5
94 D6
95 D7
96 RS0
97 RS1
98 PLL VDD
99 VSS
100 PLL GND
NC = Not connect
RESERVED = No external connection allowed
Interface description: HOST = Modem control unit (Host)
DTE = Data terminal equipment
5 – 19
FO-2970MU
3
I/O Type Interface
– –
GND –
GND –
– NC
– NC
MI Modem interconnect
PWR –
– –
– –
– NC
MI Modem interconnect
PWR –
PWR –
IA DTE Serial interface
GND –
– –
OA DTE Serial interface
IA DTE Serial interface
PWR –
MI Modem interconnect
PWR –
OA Overhead signal
OA Overhead signal
OA Diagnosis signal
OA DTE Serial interface
OA Telephone lines interface
IA Telephone lines interface
IA DTE Serial interface
OA Host interface
GND –
MI Modem interconnect
– –
– –
PWR –
I Overhead signal
O Overhead signal
IA/OB Host interface
IA/OB Host interface
IA/OB Host interface
IA/OB Host interface
IA/OB Host interface
PWR –
IA/OB Host interface
IA/OB Host interface
IA/OB Host interface
IA/OB Host interface
IA/OB Host interface
PWR –
GND –
GND –